Know Your Network
Inspect Any Website
A free diagnostics tool for developers and sysadmins. IP intelligence, DNS records, SSL info, SEO audit — all in one place.
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IP Lookup
Look up any IPv4 or IPv6 address — or detect your own. See geolocation, ISP, ASN, organisation and network details.
- My IP finder & IPv4/IPv6 detection
- Geolocation with live map
- ISP & ASN lookup
- Hostname / reverse DNS lookup
- Reverse IP lookup (co-hosted domains)
- WHOIS via RDAP
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Website Inspector
Enter any public URL to get a full technical report — SEO tags, DNS records, SSL status, tech stack, links and page structure.
- SEO, accessibility & performance audit
- Open Graph & Twitter Card tags
- DNS records (A, AAAA, MX, NS, TXT, CNAME)
- SSL / HTTPS status
- Technology & analytics detection
- Link & asset inventory + HTML source
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Network Tools
A toolkit of classic sysadmin utilities, running client-side against free public APIs.
- DNS propagation checker
- Traceroute & HTTP ping test
- Port scanner (authorized targets only)
- WHOIS / RDAP lookup
- CIDR & subnet calculators
- MAC address vendor lookup
Quick Lookup