The best domain expiry monitoring tools in 2026
Domain expiry monitoring stopped being a one-tool market a while ago — some focus purely on certificates, some on domains, a few try to cover uptime, SSL, DNS and more in one dashboard. Here’s a side-by-side table of what seven of them actually confirm, plus what each one does differently, so you can pick by what you need.
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If you only need one thing
SSL certificates only, nothing else: Chill SSL or Sitewatch. Domain renewals only, as simple as possible: Domain Expiry Watcher. A large multi-registrar portfolio with MSP tooling: KIT.domains. The most generous free tier: Expirity. Certificates, domains and DNS together, with alerts you can put your own name on for clients: Lapsewatch.
Side by side
What each tool actually confirms — checked against each vendor’s own stated features as of August 2026, not guessed. A dash means it isn’t advertised, not that it’s confirmed missing.
| Feature | Lapsewatch | CertPilot | Chill SSL | Sitewatch | KIT.domains | Domain Expiry Watcher | Expirity | UptimeRobot |
|---|---|---|---|---|---|---|---|---|
| Domain expiry (RDAP/WHOIS) | ✓ | — | ✗ | — | ✓ | ✓ | ✓ | ✗ |
| SSL certificate monitoring | ✓ | ✓ | ✓ | ✓ | ✓ | ✗ | ✓ | ✓ |
| DNS change monitoring | ✓ | ✗ | ✗ | — | ✓ | ✗ | ✓ | ✗ |
| SPF / DKIM / DMARC monitoring | ✓ | ✗ | ✗ | ✗ | — | ✗ | ✗ | ✗ |
| Confirms the renewal actually happened | ✓ | — | ✓ | — | — | ✗ | — | — |
| Asks the CA directly (ARI, RFC 9773) | ✓ | — | — | — | — | — | — | — |
| Client alerts under your own name | ✓ | — | — | — | — | ✗ | — | ✗ |
| Never needs a client’s registrar login | ✓ | — | — | — | ✗ | ✓ | ✗ | — |
| Free tier (domains, no card) | 5 | — | — | ✓ | — | — | 50 | ✓ |
Seven tools, seven angles
CertPilot — certificate governance for teams that need an audit trail
CertPilot pairs SSL expiry monitoring with governance metadata: domain ownership, renewal decisions, certificate-management method and review notes alongside each result. That’s built for organizations that need to show why a certificate is handled a certain way, not just whether it’s valid — priced accordingly, from 99 €/month.
Chill SSL — checks that a renewal actually succeeded
Chill SSL runs several checks a day specifically to confirm a certificate renewed and is healthy, not just that it hasn’t expired yet — the same instinct behind Lapsewatch’s renewal-cycle model, built as a focused SSL-only tool for agencies and freelancers.
Sitewatch — chain validation most tools skip
Sitewatch goes past “is the certificate valid” into whether the full chain is served correctly and whether the server still allows outdated protocols like TLS 1.0 or weak ciphers — detail most expiry monitors don’t check at all. SSL monitoring is included even on its free plan.
KIT.domains — domain infrastructure at MSP scale
KIT.domains leans into multi-registrar reality: it imports directly from Namecheap, GoDaddy, AWS, OVHcloud and others, tracks DNS changes in real time, and integrates with HaloPSA — built for MSPs and IT teams managing domains across registrars they don’t all control directly.
Domain Expiry Watcher — nothing but the renewal date
No certificates, no DNS, no dashboard full of extras — just domain expiry tracked over WHOIS with an escalating alert ladder (30, 14, 7, 3, 1 day) and flat pricing for unlimited domains. The right choice if domain renewal is the only fire you’re trying to prevent.
Expirity — the most room to grow into
Expirity’s free plan covers 50 domains with daily checks, no time limit — the most generous entry point of any tool here. Paid tiers add custom alert thresholds, near real-time checks and client-folder organization for agencies, plus direct registrar import.
UptimeRobot — not really a competitor
UptimeRobot checks whether a site is up right now, as often as every 30 seconds. It isn’t built to tell you a domain expires in six weeks or that a certificate’s renewal window opened and nothing happened — a different problem on a different timescale. Most people who need expiry monitoring end up running both.
Where Lapsewatch is different
Most of the tools above still boil certificate health down to a countdown, tuned for certificates that used to last a year. Lapsewatch doesn’t: it classifies each certificate as manually issued or automated, tracks whether the renewal cycle is actually turning, and asks the certificate authority directly over ARI (RFC 9773) where it’s supported — instead of guessing from a single day count.
The other difference is who the alert reaches. On the Agency plan, the same warning can go out to a client under the agency’s own name and reply-to address, rewritten in plain language — and every check runs on public RDAP, DNS and TLS data, so it never asks for a client’s registrar login, FTP password or CMS account.
Picking a tool, answered
What’s the actual difference between domain and SSL monitoring?
A domain expiring takes down the website, the email and everything else on it at once, on a payment-card schedule you often don’t control. A certificate expiring only breaks the padlock — the site usually keeps running underneath, just with a browser warning in front of it. Both are worth watching; they fail in different ways and on different timelines.
Can I just put the renewal dates in a calendar instead?
A calendar reminder only works if a human updates it the moment a domain changes hands, a card on file changes, or a renewal silently fails — and by definition, nobody remembers to update it for the one domain that slips through. A tool that reads the live registry and certificate every day reflects reality even when nobody touched the calendar.
Is UptimeRobot enough on its own?
For catching a site that’s down right now, yes. For catching a domain that expires in six weeks or a certificate renewal that silently stopped working, no — that’s not what it checks. Most agencies that use one end up running the other alongside it, not instead of it.