Network & Domain

WHOIS, DNS, IP and TLS lookups for any domain or host.

WHOIS Lookup Look up domain ownership for any TLD. DNS Lookup Query A, AAAA, MX, TXT, NS and more. What's My IP See your public IP address and user agent. IP Address Lookup Network, owner and registry data for any IP. SSL Certificate Checker Inspect a site’s TLS certificate and expiry. HTTP Header Checker Inspect the response headers of any URL. Reverse DNS Lookup Find the PTR hostname for an IP. Redirect Tracer Follow and visualize a URL’s redirect chain. Punycode / IDN Converter Convert between Unicode domains and Punycode.