This is Certly's real dashboard over live data — only the row marked sample is staged, so you can see a critical state. Add any domain below: the check runs for real, and the alert you'd get before its SSL actually expires lands in the Slack, Discord and email windows on the right. Your sandbox resets when you leave.

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Monitoring 3
OK
Warning
Critical
Host SSL expiry Domain expiry Email auth Alert
legacy.solstice-supply.com Sample
3d 128d enforced
🔒 In a real workspace this page also shows DNSSEC signature expiry, a timeline of every DNS-record change, and alert history — those need continuous monitoring, so they unlock when you add your own domains for real.
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# alerts
Certly · expiry & DNS alerts