SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
schulrechner.com
SSL/TLS Certificate
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
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.