Email Auth Checker

Name: Email Auth Checker
Author: dev.workers.quietworklabs.email-auth-check

MCP serverMCP

SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts.

by dev.workers.quietworklabs.email-auth-checkhomepage ↗v1.0.0

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability17/17 checks ok

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	39 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
8 h ago	mcp initialize	ok	200	30 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
14 h ago	mcp initialize	ok	200	44 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
21 h ago	mcp initialize	ok	200	54 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
28 h ago	mcp initialize	ok	200	44 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
34 h ago	mcp initialize	ok	200	49 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	157 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	28 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	12 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools
3 d ago	mcp initialize	ok	200	147 ms	server dev.workers.quietworklabs.email-auth-check/email-auth-check 1.0.0 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

email_auth_report — Full email-auth report for a domain: SPF (recursive 10-lookup count, void lookups, +all/?all, terms after all), DMARC (policy, pct, alignment, rua authorization
spf_lookup_count — Expands a domain's SPF record recursively (include/redirect) like a receiver does and counts DNS-querying terms against the RFC 7208 limit of 10 and void lookup
dmarc_check — Finds and validates a domain's DMARC record (falls back to the organizational domain): policy, subdomain policy, pct, alignment modes, rua/ruf, and whether exte
domain_expiry — Registration data for a domain from the registry's RDAP server (IANA bootstrap): registrar, created/updated/expiry dates, days until expiry with ok/expiring_soo

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

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Official MCP Registrydev.workers.quietworklabs.email-auth-check/email-auth-check

first seen 5 d ago · fetched 27 h agoopen ↗

Field history (6 recent events)

5 d ago · declared · summary → "SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts."
5 d ago · declared · description → "SPF, DKIM, DMARC, MTA-STS and domain-expiry checks for any domain, with SPF lookup counts."
5 d ago · declared · publisherName → "dev.workers.quietworklabs.email-auth-check"
5 d ago · declared · homepageUrl → "https://email-auth-check.quietworklabs.workers.dev/"
5 d ago · declared · version → "1.0.0"
5 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from