Free tools

Free network tools

Every tool runs from distributed probes around the world — because one server's view is not the internet.

$ ping example.com

Ping test

Run

$ traceroute example.com

Traceroute

Run

$ mtr example.com

MTR report

Run

$ dns example.com

DNS lookup

Run

$ ssl example.com

SSL checker

Run

$ http https://example.com

HTTP check

Run

$ tcp example.com:443

TCP port check

Run

$ domain example.com

Domain expiry

Run

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