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Free network tools

The tools our support team uses every day: find your IP, check the reputation of an address and see how a domain resolves around the world.

What is my IP?

See your public IPv4 or IPv6 address, your ISP and the proxy headers your browser sends.
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IP reputation lookup

Check whether an IP address is listed as malicious and get its risk score out of 100.
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DNS lookup

See what public DNS resolvers around the world answer for a domain: IPv4, IPv6, CNAME, MX, NS, TXT, or the reverse DNS of an IP.
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Also on the site: Bot or human?, a short quiz on how bot detection tells them apart.