# WhatIsMyIP.com

> WhatIsMyIP.com provides free tools and plain-language guides for checking your IP address, understanding networks, and improving online privacy. The site covers IP lookups, DNS and network diagnostics, password and security tools, and explanatory articles on how the internet works.

## Tools

- [IP Address Lookup](https://www.whatismyip.com/ip-address-lookup/): Look up location, ISP, and ASN for any IPv4 or IPv6 address
- [IP WHOIS Lookup](https://www.whatismyip.com/ip-whois-lookup/): WHOIS registration data for an IP or netblock
- [DNS Lookup](https://www.whatismyip.com/dns-lookup/): Query DNS records for any domain
- [Reverse DNS Lookup](https://www.whatismyip.com/reverse-dns-lookup/): Resolve an IP address to its hostname
- [Hostname Lookup](https://www.whatismyip.com/ip-address-hostname-lookup/): Resolve a hostname to its IP addresses
- [MX Lookup](https://www.whatismyip.com/mx-lookup/): Check mail exchange records for a domain
- [SPF Checker](https://www.whatismyip.com/spf-checker/): Verify a domain's SPF record
- [IP Blacklist Check](https://www.whatismyip.com/ip-address-blacklist-check/): Check whether an IP appears on major spam blacklists
- [Email Header Analyzer](https://www.whatismyip.com/email-header-analyzer/): Parse and inspect raw email headers
- [Port Scanner](https://www.whatismyip.com/port-scanner/): Scan common ports on a target host
- [Proxy Check](https://www.whatismyip.com/proxy-check/): Detect whether an IP belongs to a known proxy
- [Server Headers Check](https://www.whatismyip.com/server-headers-check/): Inspect HTTP response headers for a URL
- [Internet Speed Test](https://www.whatismyip.com/internet-speed-test/): Measure download, upload, and latency
- [Jitter Test](https://www.whatismyip.com/jitter-test/): Measure connection jitter
- [CIDR Calculator](https://www.whatismyip.com/cidr-calculator/): Convert CIDR notation to IP ranges
- [Subnet Calculator](https://www.whatismyip.com/subnet-calculator/): Calculate subnet ranges and hosts
- [Password Generator](https://www.whatismyip.com/password-generator/): Generate strong random passwords
- [Password Strength Test](https://www.whatismyip.com/password-strength-test/): Check how strong a password is
- [PIN Generator](https://www.whatismyip.com/pin-generator/): Generate random numeric PINs
- [Random IP Address Generator](https://www.whatismyip.com/random-ip-address/): Generate random IPv4 and IPv6 addresses
- [Number System Converter](https://www.whatismyip.com/number-system-converter/): Convert between binary, decimal, hex, and octal
- [File Size Converter](https://www.whatismyip.com/file-size-converter/): Convert between byte units
- [User Agent](https://www.whatismyip.com/user-agent/): Show the browser user agent string
- [Screen Resolution](https://www.whatismyip.com/screen-resolution/): Detect screen resolution and viewport
- [Data Breach Check](https://www.whatismyip.com/data-breach/): Check whether an email has been exposed in a known breach

## Sitemaps

- [Pages Sitemap](https://www.whatismyip.com/sitemap-pages.xml)
- [Posts Sitemap](https://www.whatismyip.com/sitemap-posts.xml)
- [News Sitemap](https://www.whatismyip.com/sitemap-news.xml)
- [Videos Sitemap](https://www.whatismyip.com/sitemap-videos.xml)