CaptainDNS
Free DNS and email security audits: SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI. 60+ online tools, no sign-up. We write about what breaks in DNS and email auth.
Work
Free DNS and email security audits at CaptainDNS
Free DNS and email security audits: SPF, DKIM, DMARC, DNSSEC, MTA-STS, BIMI. 60+ online tools, no sign-up. We write about what breaks in DNS and email auth.
Work
Free DNS and email security audits at CaptainDNS