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DnsGuard

Check a domain's email authentication: SPF, DKIM, DMARC, BIMI, MX, MTA-STS, TLS-RPT. Score + fixes.

likely compatible

Declares API key header (Authorization); use Copilot Studio 'API key' → Header.

Rule R2b · what this means · Not tested in Copilot Studio.

Registry namedev.workers.mike-tusa.dnsguard/dnsguard
Endpoint used for verdicthttps://dnsguard.mike-tusa.workers.dev/mcp
Transportsstreamable-http
Auth (Copilot Studio setting)API key (header)
Last endpoint check2026-10-20T18:13:13Z · initialize OK
Websitehttps://dnsguard.mike-tusa.workers.dev/
Version0.9.0
Registry updated2026-10-18
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Is this wrong or out of date? Email us. Data built 2026-10-20.