SSL/TLS Certificate Lookup

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

SSL/TLS Certificate for schulrechner.com

Expired
Issued by (CA)
Let's Encrypt
Subject
www.dynatech.de
Valid from
Dec 2, 2021
Valid until
Mar 2, 2022 (expired 1602 days ago)
Public key
RSA 2048-bit
Serial
048FE29A84144B97EFCCACE70093CC9BF85C
SHA-256 fingerprint
09:A9:C2:DB:04:3B:4A:4D:6A:A0:A0:8D:4C:E8:20:F8:8E:E4:72:55:72:C0:A6:16:08:D6:6E:C1:66:2D:01:05
Chain
R3 → ISRG Root X1
Subject Alternative Names (1)
www.dynatech.de

Certificate Authority Authorization (CAA)

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