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IP DNS WHOIS SSL Lookup

Look up IP, DNS, WHOIS, SSL certificate, and port status for a domain.

Domain Technical Lookup

Check IP addresses, DNS records, WHOIS, SSL certificates, and port status for a domain or IP.

Lookup Target

Only public domains and public IP addresses are checked. localhost and private network addresses are blocked.

What to Check After Lookup

  1. 1Check that IP and DNS A/AAAA records point to the intended server.
  2. 2Check SSL certificate expiration and subject.
  3. 3Check whether ports 80/443 are open as needed.
  4. 4Check whether WHOIS registration and nameservers match the current operation plan.