check_mta_sts

shallow

mx.scan/diagnostics · Verify this server

Check the domain MTA-STS policy (_mta-sts TXT and the HTTPS policy file, mode and MX coverage) and its TLS-RPT reporting record.

100.0/100

1 trials · measured today

check_mta_sts scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against mx.scan/diagnostics, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.

Component breakdown

ComponentWeightValue
Reliability35%not applicable
Schema integrity25%100.0
Failure behaviour15%not applicable
Latency15%not applicable
Concurrency10%not applicable

Tool details

Transport
remote
Credential class
self-provisionable
Category
Communication
Input schema
not declared
Output schema
not declared
Side-effect classification
unclassified

Score history

DayScoreTierMethodology
2026-10-20100.0shallowv0.2.0

Probe evidence

ProbeOutcomes
schema_integritypass: 1

Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.

Embed this score

Available for every tool, scored or not — not a verification perk. Always links back to this page.

Vouch score: check_mta_sts
[![Vouch score](https://vouch.tools/api/tools/9c9f1226-7ca8-41b1-8c15-7c8fc63b0048/badge.svg)](https://vouch.tools/tools/9c9f1226-7ca8-41b1-8c15-7c8fc63b0048)
check_mta_sts — Vouch