Email diagnostic
MX lookup
Inspect mail exchangers, priorities, and basic routing readiness.
What you’ll learn
Confirm where inbound mail is expected to go.
Live diagnostic
Server guardedSet the target
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