Monitoring
Never get caught by an expired certificate or domain
An expired certificate or a lapsed domain takes a working site fully offline with no warning in your logs. SentinelWeb tracks both and warns you with room to act.
SSL & domain expiry
Certificates and domains, watched for you
An expired certificate turns a working site into a browser security warning; a lapsed domain takes the site and its email offline at once. SentinelWeb tracks the dates and warns you early.
- Certificate validity and expiry tracked on every monitored site
- Domain registration expiry surfaced well ahead of the deadline
- Early warnings give you time to renew before visitors ever notice
HEALTH REPORT · example.com3 of 4 clear
PerformanceScore 96
Security headers1 to review
Malware & Safe BrowsingClean
SEO & indexabilityIndexable
FAQ
Common questions
Does SentinelWeb check SSL certificates and domain expiry?
Yes. SentinelWeb tracks certificate validity and domain registration dates and warns you well before either lapses.
What can SentinelWeb monitor?
Website uptime, SSL certificates and domain expiry, and full multi-step user journeys — plus performance, security, and SEO health checks on every site you add.
Stop finding out from your customers.
Set up your first monitor in minutes and let SentinelWeb keep watch.