check_spf

shallow

com.mxverdict/mxverdict · Verify this server

Check a domain's SPF record: whether it exists and is valid, how many of the 10 allowed DNS lookups it uses, and how its all mechanism treats mail from servers that are not listed.

100.0/100

1 trials · measured 2 days ago

check_spf scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against com.mxverdict/mxverdict, measured 6 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
Input schema
not declared
Output schema
not declared
Side-effect classification
unclassified

Score history

DayScoreTierMethodology
2026-10-06100.0shallowv0.2.0

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.

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

Vouch score: check_spf
[![Vouch score](https://vouch.tools/api/tools/75d302fe-bad9-49b3-9bda-c76c1f5d2341/badge.svg)](https://vouch.tools/tools/75d302fe-bad9-49b3-9bda-c76c1f5d2341)
check_spf — Vouch