SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
ub-seas.org
SSL/TLS Certificate
SSL/TLS Certificate for ub-seas.org
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- www.ub-provost-assistant.jaymze.org
- Valid from
- Jul 15, 2026
- Valid until
- Oct 13, 2026 (81 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05B0DBE5A7CF6378EBF6DF3995BFABE056B3
- SHA-256 fingerprint
- 6D:BD:43:BD:32:E3:31:64:29:37:45:00:8E:B0:FF:B0:44:C4:72:D8:74:DA:6F:96:17:E4:47:8E:0D:85:39:D4
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (globalsign.com, letsencrypt.org, pki.goog, sectigo.com).
Never get surprised by ub-seas.org's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch ub-seas.org continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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