CertaDNS

Here's the full description trimmed to fit within 3,000 characters:

CertaDNS is a managed DNS and email authentication platform for businesses, developers, and MSPs who need reliable DNS hosting combined with complete control over their email security posture — without juggling multiple tools to do it. Managed DNS & Dynamic DNS CertaDNS provides authoritative DNS hosting for custom domains with full record-type support and DNSSEC. For users with dynamic IP environments — home labs, remote offices, IoT deployments, or self-hosted services — CertaDNS includes Dynamic DNS (DDNS) with API update support, keeping hostnames in sync with changing IPs automatically. Unlike generic DDNS-only services, CertaDNS pairs DDNS with fully managed, authenticated zones. Email Authentication — SPF, DKIM, DMARC, BIMI CertaDNS covers the full email authentication stack:

SPF Management — Create and manage SPF records with visibility into your DNS lookup count, preventing silent PermError failures when the 10-lookup limit is exceeded. DKIM — Manage keys and selector records directly through DNS, with support for key rotation and multiple selectors per domain. DMARC Monitoring — Ingest and visualize DMARC aggregate reports (RUA) in a built-in dashboard showing which senders pass or fail, policy coverage, and SPF/DKIM alignment status across all your domains. BIMI — Manage BIMI DNS records to display verified brand logos in supporting inboxes like Gmail, tied to a DMARC enforcement policy. MTA-STS — Host MTA-STS policy files and DNS records to enforce TLS for inbound mail and prevent downgrade attacks. TLS Reporting (TLSRPT) — Publish and monitor SMTP TLS Reporting records to receive failure notifications from senders unable to establish secure connections.

Who It's For

Small businesses who want email authentication done right without a dedicated security engineer. Developers and homelabbers who self-host services and need both DDNS and properly managed DNS zones. MSPs and agencies managing authentication across multiple client domains from a single platform. Security teams working toward DMARC p=reject enforcement who need aggregate report visibility to move confidently forward.

Why CertaDNS Most users managing email authentication today stitch together a registrar's DNS panel, a separate DMARC reporting tool, a third-party SPF checker, and manual BIMI record management. CertaDNS consolidates these into one platform — DNS records, authentication policy, and reporting all in sync. CertaDNS also closes a common gap: domains stuck at DMARC p=none because no one is reading the reports. Built-in aggregate report monitoring surfaces misaligned senders and unauthorized sources so you can enforce with confidence.