SSL/TLS Certificate Lookup

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

omctf.od.ua

SSL/TLS Certificate

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SSL/TLS Certificate for omctf.od.ua

Valid
Issued by (CA)
Let's Encrypt
Subject
www.omctf.od.ua
Valid from
May 24, 2026
Valid until
Aug 22, 2026 (32 days remaining)
Public key
RSA 2048-bit
Serial
05438193229F2A19DEC9673DF540483F944A
SHA-256 fingerprint
61:DC:AE:E2:6D:C6:BF:AA:07:80:7B:B1:5F:11:92:0C:80:5F:ED:23:F5:B9:19:6D:E1:48:86:63:3B:D9:63:0F
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
omctf.od.ua, www.omctf.od.ua

Certificate Authority Authorization (CAA)

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