SSL certificate monitoring
We check the certificate your visitors actually see, on every domain and subdomain, and warn you before it expires or breaks.
portal.harbourdental.co.nzExpires in 9 days
- portal.harbourdental.co.nzLeaf · RSA 2048 · valid to 6 Nov 2026
- R11Intermediate · present in chain
- ISRG Root X1Root · trusted
Name mismatchold.harbourdental.co.nz serves a certificate for another name.
What Watchvera checks
- Expiry, with alerts at 30, 14 and 7 days
- Wrong hostname, broken chain, untrusted certificate
- Weak keys
- Every subdomain we find
Why it matters
Lifetimes are getting shorter
Public certificates drop to 100 days in March 2027 and 47 days in March 2029.
Renewal emails get missed
They go to old mailboxes, and Let's Encrypt stopped sending them in June 2025.
Questions
Do I need to install anything?
No. We check from outside, like a visitor would.
Does it check subdomains?
Yes, every live subdomain we find.
Learn more
- Certificate expiry checklist for IT teams (2026–2029 changes)Public TLS certificate lifetimes shrink from 398 to 47 days by 2029. A practical checklist to stop expired certificates taking client sites offline.
- DMARC, SPF and DKIM monitoring
- Domain expiry monitoring
- DNS change monitoring
Try it free for 30 days
No card needed. We help you set it up.