# whatismyip.wiki

> The vendor-neutral networking knowledge base. 48 articles covering IP addresses, DNS, VPNs, protocols, security, and infrastructure.

## About
- Site: https://whatismyip.wiki
- Purpose: Free networking education without corporate bias
- Part of the WhatIsMyIP ecosystem (whatismyip.technology, whatismyip.codes)

## Topics

### IP Fundamentals
- [What Is an IP Address?](https://whatismyip.wiki/topics/ip-fundamentals/what-is-an-ip-address/): The fundamental identifier for every device on the internet
- [IPv4 vs IPv6](https://whatismyip.wiki/topics/ip-fundamentals/ipv4-vs-ipv6/): Differences between the two IP versions
- [Public vs Private IP](https://whatismyip.wiki/topics/ip-fundamentals/public-vs-private-ip/): Internal vs external addressing
- [Static vs Dynamic IP](https://whatismyip.wiki/topics/ip-fundamentals/static-vs-dynamic-ip/): Fixed vs changing addresses
- [IP Geolocation](https://whatismyip.wiki/topics/ip-fundamentals/what-is-geolocation/): How location is determined from IP addresses
- [CIDR Notation](https://whatismyip.wiki/topics/ip-fundamentals/what-is-cidr/): Classless Inter-Domain Routing explained
- [Subnetting](https://whatismyip.wiki/topics/ip-fundamentals/what-is-a-subnet/): Network segmentation fundamentals
- [MAC Address](https://whatismyip.wiki/topics/ip-fundamentals/what-is-a-mac-address/): Hardware identifiers for network interfaces

### DNS
- [What Is DNS?](https://whatismyip.wiki/topics/dns/what-is-dns/): Domain Name System translates names to IP addresses
- [DNS Record Types](https://whatismyip.wiki/topics/dns/dns-record-types/): A, AAAA, MX, CNAME, TXT explained
- [DNSSEC](https://whatismyip.wiki/topics/dns/what-is-dnssec/): DNS security extensions
- [DNS over HTTPS](https://whatismyip.wiki/topics/dns/dns-over-https/): Encrypted DNS queries
- [DNS Servers](https://whatismyip.wiki/topics/dns/what-is-a-dns-server/): Recursive and authoritative DNS
- [DNS Propagation](https://whatismyip.wiki/topics/dns/what-is-dns-propagation/): How DNS changes spread globally

### Privacy & Security
- [VPN](https://whatismyip.wiki/topics/security/what-is-a-vpn/): Virtual Private Networks explained without bias
- [Proxy Servers](https://whatismyip.wiki/topics/security/what-is-a-proxy/): Intermediary server types and uses
- [Tor](https://whatismyip.wiki/topics/security/what-is-tor/): The Onion Router for anonymity
- [WebRTC Leaks](https://whatismyip.wiki/topics/security/what-is-webrtc/): Browser-based IP exposure
- [DNS Leaks](https://whatismyip.wiki/topics/security/what-is-a-dns-leak/): When DNS bypasses your VPN
- [Browser Fingerprinting](https://whatismyip.wiki/topics/security/what-is-browser-fingerprinting/): Tracking through browser characteristics
- [VPN vs Proxy](https://whatismyip.wiki/topics/security/vpn-vs-proxy/): Key differences compared
- [Zero Trust](https://whatismyip.wiki/topics/security/what-is-zero-trust/): Modern security architecture
- [Firewalls](https://whatismyip.wiki/topics/security/what-is-a-firewall/): Network traffic monitoring and control
- [Two-Factor Authentication](https://whatismyip.wiki/topics/security/what-is-2fa/): Multi-factor account security

### Network Protocols
- [TCP vs UDP](https://whatismyip.wiki/topics/protocols/tcp-vs-udp/): Transport protocol comparison
- [SSL/TLS](https://whatismyip.wiki/topics/protocols/what-is-ssl-tls/): Encryption for web traffic
- [HTTP vs HTTPS](https://whatismyip.wiki/topics/protocols/http-vs-https/): Secure vs insecure web
- [DHCP](https://whatismyip.wiki/topics/protocols/what-is-dhcp/): Dynamic Host Configuration Protocol
- [QUIC](https://whatismyip.wiki/topics/protocols/what-is-quic/): HTTP/3 transport protocol
- [WireGuard](https://whatismyip.wiki/topics/protocols/what-is-wireguard/): Modern VPN protocol

### Tools & Reference
- [WHOIS](https://whatismyip.wiki/topics/tools-concepts/what-is-whois/): Domain ownership lookup
- [Traceroute](https://whatismyip.wiki/topics/tools-concepts/what-is-traceroute/): Network path discovery
- [Ping](https://whatismyip.wiki/topics/tools-concepts/what-is-ping/): Connectivity testing
- [Port Numbers](https://whatismyip.wiki/topics/tools-concepts/common-port-numbers/): Complete reference table
- [HTTP Status Codes](https://whatismyip.wiki/topics/tools-concepts/http-status-codes/): Every code explained
- [Subnet Cheat Sheet](https://whatismyip.wiki/topics/tools-concepts/subnet-cheat-sheet/): CIDR table reference

### Threats & Attacks
- [DDoS](https://whatismyip.wiki/topics/threats/what-is-ddos/): Distributed Denial of Service attacks
- [IP Spoofing](https://whatismyip.wiki/topics/threats/what-is-ip-spoofing/): Forging source IP addresses
- [IP Blacklists](https://whatismyip.wiki/topics/threats/what-is-a-blacklist/): DNSBL reputation systems
- [Phishing](https://whatismyip.wiki/topics/threats/what-is-phishing/): Social engineering attacks
- [Man-in-the-Middle](https://whatismyip.wiki/topics/threats/what-is-man-in-the-middle/): Traffic interception attacks

### Infrastructure
- [ISP](https://whatismyip.wiki/topics/infrastructure/what-is-an-isp/): Internet Service Providers
- [ASN](https://whatismyip.wiki/topics/infrastructure/what-is-an-asn/): Autonomous System Numbers
- [NAT](https://whatismyip.wiki/topics/infrastructure/what-is-nat/): Network Address Translation
- [BGP](https://whatismyip.wiki/topics/infrastructure/what-is-bgp/): Border Gateway Protocol
- [CDN](https://whatismyip.wiki/topics/infrastructure/what-is-a-cdn/): Content Delivery Networks
- [Port Forwarding](https://whatismyip.wiki/topics/infrastructure/what-is-port-forwarding/): NAT rules for inbound access
- [Load Balancers](https://whatismyip.wiki/topics/infrastructure/what-is-a-load-balancer/): Traffic distribution systems

## Glossary
- [Full Networking Glossary](https://whatismyip.wiki/glossary/): 100+ networking terms defined

## Ecosystem
- [Free Tools](https://whatismyip.technology): 15 free IP and networking tools
- [API Documentation](https://whatismyip.codes): RESTful API for IP intelligence