Network Tools

Diagnose, monitor, and troubleshoot networks with essential Internet and IP utilities.

Check if a specific port on a host is open and accessible.

Query DNS records for any domain to view A, AAAA, CNAME, MX, and more.

Test reachability and measure round-trip time to any host.

Inspect SSL/TLS certificates for validity, expiration, and configuration.

Look up domain registration details including registrar, dates, and nameservers.

Find other web sites hosted on the same web server as a domain or IP address.

Send HTTP requests to view server responses or debug endpoints.

Locate any IP address or domain on a map.

Instantly see your public IP address and approximate location.

Look up information about a person by name or e-mail address.

Find the geographical area that a US phone number originates from.