~/tools / dns-explainer

DNS Record Explainer

Paste any DNS record and get a plain-English breakdown — every tag explained, risky settings flagged, related tools suggested. No domain needed.

paste_record
// detects SPF / DKIM / DMARC / BIMI / CAA / MX / MTA-STS / TLS-RPT / generic TXT. Paste the record value — no quotes needed.
[ try_an_example ]
[ SPF ] v=spf1 include:_spf.google.com include:mailgun.org ~all
[ DMARC (strict) ] v=DMARC1; p=reject; rua=mailto:[email protected]; pct=100; aspf=r; adkim=s; fo=1
[ DMARC (monitor) ] v=DMARC1; p=none; rua=mailto:[email protected]
[ DKIM ] v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQ...
[ CAA ] 0 issue "letsencrypt.org"
[ MTA-STS ] v=STSv1; id=20260417T000000;
[ BIMI ] v=BIMI1; l=https://example.com/logo.svg; a=https://example.com/vmc.pem
// AI explainer uses Claude Haiku 4.5. Same record pasted twice = served from 7-day cache. Never leaves our servers — no analytics/telemetry on paste content.