Dynamic DNS · Email Authentication · Brand Protection · Managed DNS
Run your domains with confidence.
Keep your devices reachable, your email trusted, and your brand protected — whether you're wiring up a home lab or securing email across dozens of company domains. And it works with the DNS you already have.
No credit card for the free tier · Cancel anytime
Where do you fit?
One platform, three jobs. Pick the path that sounds like you — you can mix and match later.
Hobbyists & home labs
I need a hostname that follows my changing IP — for a home server, NAS, camera, or IoT device.
Explore Dynamic DNSBusinesses & IT teams
I need to stop spoofing of my domain and pass SPF, DKIM & DMARC — without moving my DNS.
Explore Email AuthAgencies & operators
I want CertaDNS to host my DNS — fast, DNSSEC-signed, optionally white-labeled.
Explore Managed DNSEverything you need, à la carte
Start with one. Add the others to any account, billed per domain. No bundles you don’t want.
Dynamic DNS
Point a hostname at your ever-changing IP. Free for life — no monthly re-confirmation, no expiry.
- Up to 500 hostnames
- Wildcard + web forwarding
- Update clients for every router & OS
Email Authentication
SPF, DKIM and DMARC that stop spoofing and keep your real mail landing — on the DNS you already run.
- Dynamic SPF (never hit the 10-lookup limit)
- Hands-off DKIM rotation
- DMARC reporting + policy wizard
Brand Monitoring
Get alerted the moment someone registers a look-alike of your domain — before it’s used for phishing.
- Look-alike & typo-squat detection
- New-certificate alerts
- A fraction of enterprise tools
Managed DNS
Authoritative DNS hosting on our global network, with DNSSEC and full record control.
- Fast propagation
- DNSSEC one-click
- Vanity (white-label) nameservers
See your DNS like never before
Query trends, global origins, query types, and the security signals most providers never surface — in one dashboard.
Why teams choose CertaDNS
Works with your existing DNS
Turn on email auth or brand monitoring without re-delegating your domain. Keep Cloudflare, Route 53, your registrar — whatever you use.
Transparent, per-domain pricing
Pay for the domains you protect. No “contact sales,” no five-figure floors, no surprise overages.
Fast & redundant
A global anycast secondary fleet with DNSSEC, built for quick propagation and uptime.
From one host to a whole team
A free hostname for your home lab or organization-wide email security with roles and SLAs — same account.
Enterprise email security, without the enterprise invoice
Per-domain DMARC + brand protection — for a fraction of what the big names charge.
List prices as published by each vendor; CertaDNS billed per protected domain.
Built for real workloads
“We dropped a $72/month DMARC tool and got Dynamic SPF, DKIM, and DMARC on CertaDNS for $10 a domain. Setup took ten minutes.”
James P.
IT Manager
“Free dynamic DNS that just stays on — no more “confirm your hostname” emails every month. Exactly what my home lab needed.”
Dana R.
Self-hosting enthusiast
“Hosting our zones with DNSSEC plus look-alike monitoring, in one dashboard, at a price we could actually approve.”
Priya S.
Security Lead
Start free. Add what you need.
Spin up a free hostname in minutes, or protect your first domain’s email today — and grow into the rest when you’re ready.