Web diagnostic

Domain overview

Run a low-cost bundle covering address, nameserver, mail, SPF, and DMARC records.

What you’ll learn

Get the fastest useful picture of a domain's public setup.

Live diagnostic

Set the target

Server guarded

GET / HEAD only · standard ports · public destinations

Read the result

Transparent facts, not a magic score.

Every measurement is timestamped and tied to its provider. Component timings remain separate, provider errors stay visible, and paid fallback is disabled by default.

Inputdomain
Executionserver
Default cost$0 provider spend
Timeout8 seconds