SSL/TLS Certificate Lookup

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

extenb.net

SSL/TLS Certificate

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SSL/TLS Certificate for extenb.net

Valid
Issued by (CA)
Let's Encrypt
Subject
*.extenb.net
Valid from
Jul 8, 2026
Valid until
Oct 6, 2026 (77 days remaining)
Public key
RSA 2048-bit
Serial
05B5E138E55FF3EE187F04DDDB23961BDF3A
SHA-256 fingerprint
65:89:2A:29:10:3D:97:22:D0:E6:AF:C6:A7:19:8B:34:14:43:24:70:62:09:DA:EC:9A:F0:DE:02:F6:BE:91:07
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
*.extenb.net, extenb.net

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, pki.goog, sectigo.com).

This certificate has been served since Jul 20, 2026.