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Network

Traceroute & Network Path

See where a host sits on the network and what can be learned about the route toward it.

Free, and no account needed. We connect from our edge, not from your machine.
About this tool. A hop-by-hop ICMP traceroute isn't possible from a serverless edge, so this gives you the useful parts honestly: the IP a name resolves to, its reverse DNS, which network (ASN) announces it, who owns the block, and how far away it feels.

Ten signals decide whether your mail arrives. You just checked one.

Routing tells you whether a machine can be reached. It says nothing about whether a receiving mail server will believe what that machine sends.

Run the full checkup free
No card, and nothing to cancel.

How to read your Traceroute & Network Path results

Common problems and how to fix them

A host is unreachable
Confirm the hostname resolves (check its A/AAAA record) and that the server is up and not firewalled off.
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Common questions.
What does the network path tool show?

Where a host lives on the network and basic reachability information toward it.

Why might a path be incomplete?

Many networks intentionally hide intermediate hops, so a partial path is normal and does not always indicate a problem.