SSL/TLS Certificate Lookup

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

opmdb.net

SSL/TLS Certificate

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SSL/TLS Certificate for opmdb.net

Valid
Issued by (CA)
Let's Encrypt
Subject
opmdb.net
Valid from
May 22, 2026
Valid until
Aug 20, 2026 (29 days remaining)
Public key
RSA 4096-bit
Serial
0537F89C7ACB1A9876F6D041977DA28188C1
SHA-256 fingerprint
D9:EA:68:C8:2B:8A:F1:D6:FD:48:A4:52:3B:50:F8:9B:87:09:9A:FE:F4:58:59:6F:74:E1:36:25:68:7D:52:4D
Chain
R12 → ISRG Root X1
Subject Alternative Names (2)
opmdb.net, www.opmdb.net

Certificate Authority Authorization (CAA)

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