Free network tools — no account needed
What the internet sees when it looks at you.
Your IP address, your browser’s fingerprint, a site’s real certificate — the stuff that’s usually hidden in developer tools, laid out for you.
Live reading
Your IP
The rest of the toolbox
Everything else, organized by what it tells you.
Network lookup
IP Lookup
Look up any IPv4 or IPv6 address, not just your own.
DNS Resolver
Query A, MX, TXT, and other records for any domain.
CDN Detection
Find out which CDN is quietly serving a website.
Whois
Domain age, registrar, expiry, and nameservers.
Site inspection
Screenshot
An instant, full-page screenshot of any public website.
App Map
Crawl a site and see every page, form, and link as a map.
App Stack
Map a site's third-party libraries, analytics tags, and platforms.
Site security
TLS Scan
A+ to F grade — legacy protocols, weak ciphers, cert hygiene, HSTS preload.
Security Headers
Grade a site's CSP, HSTS, and other security headers, A+ to F.