SSL/TLS Certificate Lookup

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

its-se.de

SSL/TLS Certificate

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SSL/TLS Certificate for its-se.de

Valid
Issued by (CA)
Let's Encrypt
Subject
its-se.de
Valid from
Jun 9, 2026
Valid until
Sep 7, 2026 (47 days remaining)
Public key
RSA 2048-bit
Serial
062CDCD4D0C65A718049E1D552C6ECC5EB0A
SHA-256 fingerprint
08:2F:1B:D1:DF:C3:CC:5E:B8:78:61:CE:8B:A2:75:1D:A7:DB:5C:7E:35:D4:00:0F:A5:D7:30:67:58:52:39:6C
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (5)
autoconfig.its-se.de, autodiscover.its-se.de, its-se.de, mail.its-se.de, www.its-se.de

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org).