# IP Dekho > Free IP address lookup, DNS leak testing, blacklist checking, and network security tools. IP Dekho provides browser-based network diagnostic tools alongside an educational blog, independent reviews, technical comparisons, and original research on networking, VPNs, DNS, and IP-related topics. ## Tools - [IP Lookup](https://ipdekho.com/lookup): Accurately find the geolocation of any IP address or domain, including city, region, country, coordinates, and ISP. - [Blacklist Check](https://ipdekho.com/blacklist-check): Check if an IP address is blacklisted on major spam databases (DNSBL) to protect email deliverability and network reputation. - [ASN Lookup](https://ipdekho.com/asn-lookup): Look up any Autonomous System Number, IP address, or domain to find network ownership, announced prefixes, registries, and abuse contacts. - [Subnet Calculator](https://ipdekho.com/subnet-calculator): Calculate subnet masks, network addresses, broadcast addresses, and host ranges. - [WHOIS Lookup](https://ipdekho.com/whois-lookup): Find owner registration details, expiration dates, and nameservers for any domain or IP address worldwide. - [DNS Leak Test](https://ipdekho.com/dns-leak-test): Verify whether DNS requests are leaking outside a VPN or proxy tunnel. - [Ping Test](https://ipdekho.com/ping-test): Check response times and packet loss for any domain or IP address. - [Speed Test](https://ipdekho.com/speed-test): Test internet connection download speed, upload speed, and ping/latency. - [SSL Checker](https://ipdekho.com/ssl-checker): Verify a website's SSL/TLS installation, expiration dates, certificate authority, and handshake issues. - [Traceroute](https://ipdekho.com/traceroute): Trace the network path data takes across the internet and identify hops and bottlenecks. - [Port Scanner](https://ipdekho.com/port-scanner): Scan an IP address or domain for open ports and potential security exposure. - [HTTP Headers Inspector](https://ipdekho.com/http-headers): Inspect response headers returned by any server, including status codes and security headers. - [User Agent Lookup](https://ipdekho.com/user-agent): Deconstruct any User-Agent string into browser, version, operating system, and engine. - [Browser Info](https://ipdekho.com/browser-info): View a browser's properties, screen resolution, color depth, language, and capabilities. - [VPN Guide & Detection](https://ipdekho.com/vpn): Learn how VPNs work, what they actually protect against, and how to detect VPN usage. - [IP Security Guide](https://ipdekho.com/ip-security): Guidance on protecting an IP address and network from common cyber threats. - [DNS Lookup](https://ipdekho.com/dns-lookup): Check A, AAAA, CNAME, MX, NS, and TXT records for any domain name. - [Reverse DNS Lookup](https://ipdekho.com/reverse-dns-lookup): Find the hostname (PTR record) an IP address resolves back to. - [Domain Age Checker](https://ipdekho.com/domain-age): Find exactly how old a domain is, straight from its real registration record. - [MX Lookup](https://ipdekho.com/mx-lookup): Check which mail servers handle email for a domain, and in what priority order. - [NS Lookup](https://ipdekho.com/ns-lookup): Find which name servers control a domain's DNS. - [TXT Lookup](https://ipdekho.com/txt-lookup): Read a domain's TXT records — SPF, DMARC, and site-verification codes. - [All Tools](https://ipdekho.com/tools): Index of every free networking tool on IP Dekho. ## Company - [About](https://ipdekho.com/about): Learn about IP Dekho, its mission, and the technology behind its IP lookup and security services. - [Contact](https://ipdekho.com/contact): Get in touch with the IP Dekho team for support, feature requests, or feedback. - [Case Studies](https://ipdekho.com/case-studies): Real-world case studies of developers and small businesses using IP intelligence, WHOIS data, and DNS tools. - [Developers](https://ipdekho.com/developers): Developer resources and technical documentation for integrating IP Dekho data. - [API Docs](https://ipdekho.com/api-docs): Documentation for the IP Dekho free IP lookup API — geolocation, ISP, and network data in JSON. - [Privacy Policy](https://ipdekho.com/privacy): How IP Dekho handles data and protects user privacy. - [Terms of Service](https://ipdekho.com/terms): Terms of service for using IP Dekho tools. ## Comparisons - [IPv4 vs IPv6: The Ultimate Network Protocol Comparison Guide](https://ipdekho.com/compare/ipv4-vs-ipv6): A technical, in-depth blog post comparing IPv4 and IPv6. Explore address allocations, SLAAC autoconfiguration, fixed header formats, and routing efficiency. - [Static IP vs Dynamic IP: Comparing Address Allocations & Uptime](https://ipdekho.com/compare/static-ip-vs-dynamic-ip): A technical blog post comparing static and dynamic IP addresses. Learn about DHCP lease times, hosting configurations, dynamic DNS setup, and security scanning risks. - [Public IP vs Private IP: Core Routing & Subnet Differences](https://ipdekho.com/compare/public-ip-vs-private-ip): Understand the differences between public and private IP addresses. Learn about RFC 1918 blocks, NAT translation tables, and local subnet routing. - [Dedicated IP vs Shared IP: Web Hosting & VPN Comparison](https://ipdekho.com/compare/dedicated-ip-vs-shared-ip): Understand the differences between dedicated and shared IPs. Compare email server reputation, SSL setup, and VPN privacy implications. - [Residential IP vs Datacenter IP: Technical Differences & Scraping](https://ipdekho.com/compare/residential-ip-vs-datacenter-ip): A technical blog post comparing residential and datacenter IPs. Learn about ASN registry classification, proxy usage, speed, and bot detection. - [Carrier Grade NAT (CGNAT) vs Public IP: Gaming & Port Forwarding](https://ipdekho.com/compare/carrier-grade-nat-vs-public-ip): Compare Carrier Grade NAT (CGNAT) and public IPs. Learn how double-NAT affects gaming lobbies, port forwarding configurations, and how to opt-out. - [Single Stack vs Dual Stack: IPv6 Transition Comparison](https://ipdekho.com/compare/single-stack-vs-dual-stack): Compare single stack and dual stack network configurations. Learn about IPv6 migration, Happy Eyeballs routing, and router CPU overhead. - [IPv4 NAT vs IPv6 Native Routing: Core Architectural Comparison](https://ipdekho.com/compare/ipv4-nat-vs-ipv6-native): Compare IPv4 NAT with native IPv6 routing. Learn how state translation tables, router memory usage, and end-to-end paths differ. ## Reviews - [VPN Reviews](https://ipdekho.com/reviews/vpn-reviews): Expert VPN review covering WireGuard vs OpenVPN speed tests, DNS leak checks, no-log policies, and which VPN works best in India in 2025. - [Hosting Reviews](https://ipdekho.com/reviews/hosting-reviews): Hands-on web hosting review comparing TTFB, NVMe SSD servers, uptime, SSL, and best hosting options for Indian developers and small businesses. - [DNS Reviews](https://ipdekho.com/reviews/dns-reviews): Detailed DNS resolver review comparing Cloudflare, Google DNS, and others on query speed, DNS-over-HTTPS, DNSSEC support, and privacy for Indian users. - [IP Lookup Tool Reviews](https://ipdekho.com/reviews/ip-lookup-tool-reviews): Expert review of IP lookup APIs including MaxMind and IPinfo for geolocation accuracy, VPN detection, fraud prevention, and developer API usability. - [Proxy Reviews](https://ipdekho.com/reviews/proxy-reviews): Hands-on proxy review comparing residential, datacenter, and mobile proxies for web scraping, SEO auditing, and ad verification in 2025. - [Browser Reviews](https://ipdekho.com/reviews/browser-reviews): In-depth browser review comparing Chrome, Firefox, Brave and Edge on page load speed, RAM usage, tracker blocking, and privacy settings for Indian users. - [Network Software Reviews](https://ipdekho.com/reviews/network-software-reviews): Expert review of network monitoring and packet analysis software for sysadmins — covering SNMP, topology maps, bandwidth alerts, and uptime tracking. - [ISP Reviews](https://ipdekho.com/reviews/isp-reviews): Expert ISP review comparing fiber and broadband providers in India on speed consistency, latency, uptime, and pricing — Jio, Airtel, BSNL and more. - [Security Tool Reviews](https://ipdekho.com/reviews/security-tool-reviews): Expert review of endpoint security tools, antivirus software, and firewalls for Windows and Android — tested for detection rates and system performance impact. - [Developer Tool Reviews](https://ipdekho.com/reviews/developer-tool-reviews): Expert review of API testing clients, HTTP debuggers, and developer network utilities — covering REST, GraphQL, SOCKS5, and code generation for Indian developers. ## Research Reports - [Internet Security & Threat Intelligence Report 2026](https://ipdekho.com/research/internet-security-report-2026): This report synthesizes public threat-intelligence and abuse-registry data on scanning and credential-stuffing activity through mid-2026. The primary cybersecurity threat pattern documented across tho... - [Global IPv6 Adoption & Peering Efficiency Report 2026](https://ipdekho.com/research/global-ipv6-adoption-report-2026): This comprehensive networking study evaluates the deployment, performance, and BGP routing efficiency of Internet Protocol Version 6 (IPv6) across global consumer and enterprise networks. Although glo... - [VPN & Proxy Usage Trends & Security Report 2026](https://ipdekho.com/research/vpn-usage-report-2026): This report tracks the expansion of commercial Virtual Private Networks (VPNs) and the concurrent rise of residential proxy networks, drawing on public ISP-classification and proxy-network research. P... - [Global Domain Name System (DNS) Security & Trends Report 2026](https://ipdekho.com/research/dns-trends-report-2026): This security research study audits the configuration health, mail server authentication settings, and DNSSEC adoption rates of the top 10,000 global enterprise domains. The domain name system (DNS) i... - [Global ISP Routing Performance & Market Share Report 2026](https://ipdekho.com/research/isp-market-report-2026): This networking study analyzes the peering speeds, latency jitter, and BGP routing stability of major Tier-1 internet carriers globally. We evaluate transit paths across major transoceanic fiber links... ## Blog - [How to Find Attacker IP Address: Practical Steps for Incident Response](https://ipdekho.com/blogs/how-to-find-attacker-ip-address): A hands-on guide showing how to find attacker IP address during and after an incident, with real-world examples, tools, and immediate actions you can take. - [How can IP spoofing attacks be prevented: Practical defenses for networks and services](https://ipdekho.com/blogs/how-can-ip-spoofing-attacks-be-prevented): Practical steps to stop IP spoofing attacks across networks, servers, and applications, with protocol fixes, monitoring, and organizational controls. - [what is owasp rules: practical guide for developers and security teams](https://ipdekho.com/blogs/what-is-owasp-rules): A clear explanation of what is owasp rules, why they matter for app and AI security, and how to apply them today with examples and an immediate checklist. - [How to Find Attacker IP Address in Wireshark: Practical Steps and Real-World Tips](https://ipdekho.com/blogs/how-to-find-attacker-ip-address-in-wireshark): Hands-on guide showing how to find attacker IP address in Wireshark, with step-by-step filters, example scenario, and immediate actions you can take after finding an IP. - [what are owasp standards: practical guide for developers and security teams](https://ipdekho.com/blogs/what-are-owasp-standards-practical-guide): A clear guide on what are owasp standards, why they matter for application and AI security, and how to start applying Top 10 lists and tooling today. - [what ip address is the attacker using: How to find, verify, and act on attacker IPs](https://ipdekho.com/blogs/what-ip-address-is-the-attacker-using): Practical guide to identifying what IP address is the attacker using, with detection steps, pitfalls, and an immediate checklist you can run now. - [what is ip attack: how IP-based threats work, why they matter, and how to defend](https://ipdekho.com/blogs/what-is-ip-attack): A practical guide explaining what is ip attack, common forms (DDoS, IP camera takeovers, BIG-IP flaws), real-world examples, and immediate defenses you can apply. - [Tanzid, Shanto Extend Australia's Woes on Day 2 in Darwin](https://ipdekho.com/blogs/tanzid-shanto-extend-australias-woes-darwin-day-2): Tanzid Hasan and Najmul Hossain Shanto put Bangladesh in command at Darwin on Day 2, piling on 351/6 and historic milestones while exposing Australia's frailties. - [How to Use a PDF Quality Enhancer to Improve Document Clarity](https://ipdekho.com/blogs/how-to-use-a-pdf-quality-enhancer): Discover how to use a PDF quality enhancer to transform blurry or scanned PDFs into sharp, readable documents with ease. This guide walks you through practical steps and common pitfalls to boost your... - [Hacking Machine Security: Best Practices to Stay Safe Online](https://ipdekho.com/blogs/hacking-machine-security-best-practices-stay-safe-online): Learn how to protect yourself from hacking by applying practical and effective machine security practices. Stay one step ahead with tested tips to keep your digital life secure in 2024. - [Why Am I Blocked Because of IPS Attack? Common Causes Explained](https://ipdekho.com/blogs/blocked-because-of-ips-attack-common-causes-explained): Getting blocked because of an IPS attack can be confusing. This article unpacks the common reasons behind such blocks and what you can do about them. - [What Is PGP? How Pretty Good Privacy Encryption Works](https://ipdekho.com/blogs/what-is-pgp-pretty-good-privacy-encryption): Explore what PGP is and how Pretty Good Privacy encryption protects your data using a mix of public-key and symmetric encryption. Understand its core mechanisms and why it matters today. - [How to Fix Blocked Because of IPS Attack Network Errors](https://ipdekho.com/blogs/fix-blocked-because-of-ips-attack-network-errors): Facing network errors due to an IPS block? Learn why you're blocked because of IPS attack, how to troubleshoot it, and concrete steps to regain access fast. - [OSI and TCP IP Model: Key Differences, Layers, and Comparison](https://ipdekho.com/blogs/osi-and-tcp-ip-model-key-differences-layers-comparison): Explore the real differences between OSI and TCP IP models, their distinct layers, and what those mean for modern networking and cybersecurity. - [What Is Firewall Authentication? How It Works and Why It Matters](https://ipdekho.com/blogs/what-is-firewall-authentication): Explore what firewall authentication really means, how it controls access, and why skipping it is risky. Learn how it fits into your cybersecurity strategy instantly. - [What Is a P2P VPN? Meaning, Benefits & How It Works 2026](https://ipdekho.com/blogs/what-is-a-p2p-vpn-meaning-benefits-how-it-works-2026): Explore what a P2P VPN is, how it works, its benefits, risks, and real-world applications in 2026 cybersecurity landscapes. - [What Is Cyber Safety? Complete Guide to Staying Safe Online 2026](https://ipdekho.com/blogs/what-is-cyber-safety-2026-guide): Learn what cyber safety really means in 2026 and how you can protect yourself from rising online threats with practical, actionable steps. - [Your Guide to Navigating the Rise of Cybersecurity Hackers AI-Powered Attacks](https://ipdekho.com/blogs/guide-ai-powered-cybersecurity-hackers-attacks): Discover how AI-powered cyberattacks are reshaping threats and why you need to stay ahead with effective security strategies today. - [IP Dekho Public IP Guide End to End](https://ipdekho.com/blogs/ip-dekho-public-ip-guide-end-to-end): This ip dekho pulic ip guide walks you through what a public IP is, why it matters for privacy and security, and how to find and protect yours with practical tips. - [The Ultimate Guide to Network Security IP PublicIP Cybersecurity in 2026](https://ipdekho.com/blogs/ultimate-guide-network-security-ip-publicip-cybersecurity-2026): Master network security ip publicip cybersecurity with the latest trends, expert insights, and practical steps to protect your digital world in 2026. - [How Proxy Network WAN Cybersecurity Works: A Guide Precaution](https://ipdekho.com/blogs/how-proxy-network-wan-cybersecurity-works-guide-precaution): Understand how a proxy network WAN cybersecurity approach works and why you need to be cautious when using proxy services. Learn from real-world examples and protect your data. - [Help Me Understand Network IP Range and Block](https://ipdekho.com/blogs/help-me-understand-network-ip-range-and-block): Discover how network IP ranges and blocks work, why they're essential for cybersecurity, and real-world examples to help you manage your network better. - [Citeya Webhook Test — Safe To Delete](https://ipdekho.com/blogs/citeya-webhook-test-1785239481663): One-off connectivity test from citeya. Safe to delete or ignore. - [How DNS Lookup Solved a Website Outage](https://ipdekho.com/blogs/dns-lookup-solved-website-outage): A global e-learning platform suffered a sudden 3-hour outage. Here is the step-by-step breakdown of how DNS propagation diagnostics, TTL misconfigurations, and WHOIS lookup identified the root cause. - [Investigating a Suspicious Login Using WHOIS and DNS Tools](https://ipdekho.com/blogs/investigating-suspicious-login): An employee account logged in from an unexpected subnet in Sweden. Was it a remote worker on vacation, or a session hijacking attack? Here is how we investigated the alert. - [How a Small Business Improved Security with IP Intelligence](https://ipdekho.com/blogs/small-business-improved-security): A boutique retail site was losing $4,500 a week to chargeback fraud. Here is how they used IP intelligence and ASN detection to build an automated fraud blocking system. - [How a Developer Traced a Suspicious IP Using IPDekho](https://ipdekho.com/blogs/developer-traced-suspicious-ip): A midnight alert from a database replication server, a spike in egress traffic, and a target IP in Bucharest. Here is the step-by-step breakdown of how we tracked a silent data extraction attempt. - [Understanding CIDR and Subnetting: A Practical Guide](https://ipdekho.com/blogs/what-is-cidr-and-subnetting): Confused by IP addresses followed by slashes like /24? Learn what CIDR notation means, how subnet masks work, and how to divide networks easily. - [TLS 1.3: What Changed and Why You Should Care](https://ipdekho.com/blogs/tls-1-3-explained): TLS 1.3 dropped a decade of accumulated cruft from its predecessor and came out faster, more secure, and harder to attack. Understanding what changed matters for anyone running web infrastructure. - [How to Stay Actually Anonymous Online (Not Just Kinda)](https://ipdekho.com/blogs/how-to-stay-anonymous-online): Real anonymity online is harder than using a VPN and clearing cookies. It requires understanding the full stack of tracking mechanisms and making deliberate trade-offs. - [VPN Logging Policies: What 'No Logs' Actually Means](https://ipdekho.com/blogs/vpn-logging-policies): 'No logs' is the most abused phrase in VPN marketing. What a VPN can technically claim while still logging everything that matters is more than you'd expect. - [TTL (Time to Live) in Networking: A Real Explanation](https://ipdekho.com/blogs/what-is-ttl): TTL appears in both DNS records and IP packets, doing different but related jobs in each context. Understanding both uses makes network troubleshooting much easier. - [Zero-Day Vulnerabilities: What They Are and Why They're Dangerous](https://ipdekho.com/blogs/zero-day-vulnerability): A zero-day is a vulnerability that nobody knows about yet — except the people exploiting it. The timeline from discovery to patch is where real damage happens. - [Network Latency: What It Is and How to Actually Reduce It](https://ipdekho.com/blogs/network-latency-explained): Latency is the delay in network communication. It's not the same as bandwidth, it can't be fully eliminated, and most advice for reducing it misses the real causes. - [Split Tunneling: The VPN Feature You're Probably Not Using](https://ipdekho.com/blogs/split-tunnel-vpn): Split tunneling lets you choose which traffic goes through the VPN and which uses your regular connection. It's the answer to slow speeds and accessibility problems on VPN. - [How to Check if Your DNS Is Actually Secure](https://ipdekho.com/blogs/check-dns-security): Most people use whatever DNS their ISP assigned them without thinking about it. That default often exposes your browsing history, allows manipulation, and has no privacy protections whatsoever. - [How Accurate Is IP Geolocation, Really](https://ipdekho.com/blogs/ip-geolocation-accuracy): IP geolocation is used for fraud detection, content licensing, and advertising targeting. Its accuracy varies wildly — from city-level precision to being hundreds of miles wrong. - [MAC Address vs IP Address: What's the Difference](https://ipdekho.com/blogs/mac-address-vs-ip): MAC addresses and IP addresses both identify devices on networks — but at different layers, for different purposes, with different implications for privacy and security. - [SOCKS5 vs HTTP Proxy: Which One Should You Use](https://ipdekho.com/blogs/socks5-vs-http-proxy): SOCKS5 and HTTP proxies both route your traffic through an intermediate server. The difference in protocol, capability, and appropriate use cases is significant. - [How to Read a Traceroute (And What It Actually Tells You)](https://ipdekho.com/blogs/how-to-read-a-traceroute): Traceroute maps every network hop between your device and a destination. Reading the output correctly turns a confusing list of IPs into a useful diagnostic picture. - [Port Forwarding: When You Need It and How to Set It Up](https://ipdekho.com/blogs/port-forwarding-explained): Port forwarding is how you make services running inside your home network accessible from the internet. The setup is simple. The security implications deserve more attention. - [Browser Fingerprinting: The Tracking Your IP Blocker Can't Stop](https://ipdekho.com/blogs/browser-fingerprinting): Change your IP, use a VPN, clear your cookies — browser fingerprinting tracks you anyway. It's the surveillance method that most privacy tools don't address. - [WebRTC Leaks: The VPN Hole Nobody Warns You About](https://ipdekho.com/blogs/webrtc-leak): WebRTC is built into browsers for video and audio calls. A side effect is that it can expose your real IP address even when a VPN is active — and most VPN clients don't fix it. - [SSL Certificates Explained Without the Jargon](https://ipdekho.com/blogs/ssl-certificates-explained): SSL certificates enable HTTPS and underpin trust on the web. The certificate system is more complex — and more fragile — than the padlock icon suggests. - [What Is a Botnet and How Your Device Could Be Part of One](https://ipdekho.com/blogs/botnets-explained): Botnets are networks of compromised devices under attacker control. They power spam campaigns, DDoS attacks, and fraud — and your home device might be in one right now. - [DNSSEC: Making DNS Trustworthy (Finally)](https://ipdekho.com/blogs/what-is-dnssec): DNS has no built-in authentication — any resolver can lie to you. DNSSEC adds cryptographic signatures to prevent that. Adoption is growing. It's not enough yet. - [IP Spoofing: What It Is and How to Defend Against It](https://ipdekho.com/blogs/ip-spoofing-explained): IP spoofing forges the source address on packets. It's the foundation of some of the most disruptive attacks on the internet — and it still works because basic filtering isn't universally deployed. - [How to Tell If You're Being DDoSed (And What to Do Fast)](https://ipdekho.com/blogs/how-to-detect-ddos): DDoS attacks are overwhelming and sudden. Recognising the signs early and knowing your response options makes the difference between a 10-minute disruption and a multi-hour outage. - [What Is an ASN (Autonomous System Number) and Why It Matters](https://ipdekho.com/blogs/what-is-an-asn): Every major network on the internet has an ASN. Understanding what it is reveals how internet routing works — and why that information is useful for security and networking. - [MX Records: How Email Routing Actually Works](https://ipdekho.com/blogs/mx-records-explained): When you send an email, the routing decision happens through MX records in DNS. Understanding this explains delivery failures, spam problems, and how to set up email correctly. - [What Is a Firewall and Do You Actually Need One at Home](https://ipdekho.com/blogs/what-is-a-firewall): Firewalls filter network traffic based on rules. Understanding what kind you have — and what it actually blocks — changes how seriously you take home network security. - [HTTP vs HTTPS: Why That Padlock Actually Matters](https://ipdekho.com/blogs/http-vs-https): HTTPS is everywhere now, and most users know the padlock means 'secure.' What it actually secures — and what it doesn't — is worth understanding precisely. - [What Is a CDN and How It Hides the Real Server IP](https://ipdekho.com/blogs/what-is-a-cdn): CDNs make websites faster by distributing content globally. They also make the origin server's IP effectively invisible — a critical security feature most sites don't fully use. - [How Tor Actually Works (And When You Should Use It)](https://ipdekho.com/blogs/how-tor-works): Tor provides strong anonymity — but it's not magic and it's not for everyone. Understanding the actual mechanism helps you decide when it's the right tool. - [IPv4 Exhaustion: What Happened and What's Next](https://ipdekho.com/blogs/ipv4-exhaustion): IPv4 addresses ran out — officially. The story of how it happened, the hacks that delayed it, and why we're still not fully through the transition. - [CGNAT: Why Gamers Hate It and What You Can Do](https://ipdekho.com/blogs/cgnat-explained): CGNAT puts you behind a second layer of NAT you don't control. It's why your NAT type is stuck on Strict and why port forwarding stopped working. - [What Is a Reverse DNS Lookup and Who Uses It](https://ipdekho.com/blogs/reverse-dns-lookup): Forward DNS goes from domain name to IP. Reverse DNS goes the other way — and the uses range from spam filtering to server identification to network diagnostics. - [BGP: The Protocol That Actually Runs the Internet](https://ipdekho.com/blogs/how-bgp-works): BGP routes traffic between every major network on earth. It's also fragile, frequently misconfigured, and responsible for some of the internet's most dramatic outages. - [What Is an IP Reputation Score and Why It Follows You](https://ipdekho.com/blogs/ip-reputation-score): IP addresses accumulate reputations based on the traffic they send. That reputation affects whether your emails deliver, your ads run, and your connections are trusted. - [How to Secure Your Home Router (Most People Skip This)](https://ipdekho.com/blogs/secure-your-home-router): Your router is the gateway for everything in your home network. Default settings leave it dangerously exposed — and most people never change them. - [What Is NAT and Why Your Router Needs It](https://ipdekho.com/blogs/what-is-nat): NAT is the reason your entire household can share one public IP address. It's also the reason some things — gaming, VoIP, peer-to-peer — work poorly. - [Subnets and CIDR Notation: A Plain English Explainer](https://ipdekho.com/blogs/subnets-and-cidr): Subnetting looks intimidating on paper. Once you understand what it's actually doing, the maths becomes obvious and the notation clicks into place. - [What Is Geo-Blocking and How to Get Around It](https://ipdekho.com/blogs/what-is-geoblocking): Geo-blocking restricts content based on your location. The mechanism is simple, the implications are wide-ranging, and bypassing it is easier than most people think. - [How Hackers Actually Use Your IP Address](https://ipdekho.com/blogs/how-hackers-use-your-ip): Your IP address alone doesn't give attackers much. But combined with the right techniques and tools, it opens doors most people don't know exist. - [Proxy vs VPN: They're Not the Same Thing](https://ipdekho.com/blogs/proxy-vs-vpn): Both a proxy and a VPN can change your apparent IP address. The difference in how they work — and what they protect — is significant. - [The Truth About Public Wi-Fi Security (It's Worse Than You Think)](https://ipdekho.com/blogs/public-wifi-security): Public Wi-Fi attacks are real, underreported, and easier to pull off than most people imagine. Knowing the actual threat model changes how you think about coffee shop internet. - [How Your ISP Tracks Your Online Activity (And What to Do)](https://ipdekho.com/blogs/how-isps-track-you): Your ISP has a privileged view of your traffic that most privacy tools can't touch. Understanding what they see — and why — is step one. - [Static vs Dynamic IP: Which One Do You Actually Have](https://ipdekho.com/blogs/static-vs-dynamic-ip): Most people have a dynamic IP and don't know it. Here's what that means, how to tell which you have, and when it actually matters. - [How to Find Your IP Address on Any Device](https://ipdekho.com/blogs/how-to-find-your-ip-address): Finding your IP address takes about 10 seconds — but there are two different addresses to know about, and most guides only show you one of them. - [WHOIS Lookup: Who Actually Owns That Domain](https://ipdekho.com/blogs/understanding-whois): WHOIS used to be a completely transparent database of domain ownership. GDPR changed that — but not as much as the registrars would like you to think. - [Port Scanning: What It Is and When It's Legal](https://ipdekho.com/blogs/port-scanning-explained): Port scanning is a standard network tool and a common hacker technique — sometimes at the same time. The legality is murkier than you'd expect. - [What Is a DNS Leak and Why It Ruins Your VPN](https://ipdekho.com/blogs/what-is-a-dns-leak): Your VPN is running. Your traffic is encrypted. But your DNS queries might be going somewhere else entirely — and that's a serious privacy problem. - [DNS Explained: The Internet's Phone Book (Sort Of)](https://ipdekho.com/blogs/dns-explained): DNS translates domain names into IP addresses. But the 'phone book' analogy misses how much power — and risk — is packed into this one system. - [How VPNs Actually Work (Not the Marketing Version)](https://ipdekho.com/blogs/how-vpns-actually-work): VPN marketing is full of half-truths. Here's what actually happens to your traffic when you connect — and what a VPN can't protect you from. - [What Is IPv6 and Why Does It Actually Matter](https://ipdekho.com/blogs/what-is-ipv6): IPv6 has been 'coming soon' for two decades. It's here now, running in parallel with IPv4, and understanding it is no longer optional. - [Top 5 Tools Every Network Admin Needs](https://ipdekho.com/blogs/top-network-tools): These five tools aren't glamorous, but network admins who skip them spend twice as long debugging problems that should take minutes. - [How to Check if Your IP is Blacklisted (and What to Do)](https://ipdekho.com/blogs/check-ip-blacklist): If your emails are bouncing or your traffic keeps getting blocked, a blacklisted IP might be the reason. Here's how to find out and fix it. - [Why Your IP Address Matters More Than You Think](https://ipdekho.com/blogs/why-ip-address-matters): Your IP address is more than just a number — it's a live broadcast of who and where you are. Here's what it actually reveals. ## Optional - [Full sitemap](https://ipdekho.com/sitemap.xml): Complete list of indexable URLs on IP Dekho.