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Network & DNS
🌐 Network & DNS
7 free tools — no login, no signup required
🌐
DNS Lookup
Query DNS records for any domain using DNS over HTTPS
📍
IP Geolocation
Geolocate any IP address with detailed location information
🔍
WHOIS Lookup
Look up domain registration and ownership information
🔌
Port Reference
Common TCP/UDP ports and their associated services reference
📡
CIDR Calculator
Calculate IP ranges, subnet masks and host counts from CIDR
🔭
HTTP Response Inspector
Inspect HTTP response headers from any public URL
🔒
SSL Certificate Checker
Check SSL certificate info and expiry for any domain