SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

oopsufa.ru

SSL/TLS Certificate

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SSL/TLS Certificate for oopsufa.ru

Valid
Issued by (CA)
Let's Encrypt
Subject
oopsufa.ru
Valid from
Jun 16, 2026
Valid until
Sep 14, 2026 (55 days remaining)
Public key
EC 256-bit
Serial
05856AF4894BA73539211440F4D9E5826A45
SHA-256 fingerprint
2C:D7:8F:4E:4E:7A:45:A6:19:8B:5F:4D:8C:1D:91:9C:D9:E3:17:C2:85:0E:0E:73:09:69:1D:33:39:34:74:42
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (6)
1.oopsufa.ru, 2.oopsufa.ru, a.oopsufa.ru, b.oopsufa.ru, oopsufa.ru, www.oopsufa.ru

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.