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 merzi.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- merzi.de
- Valid from
- Jul 8, 2026
- Valid until
- Oct 6, 2026 (77 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 054499F440F0228D64A885A6FAC3CE9912E5
- SHA-256 fingerprint
- 63:EF:92:95:34:FD:71:AF:DC:34:43:43:D5:1A:5E:83:DF:76:8E:B7:C5:07:B7:34:7F:AE:54:20:77:00:93:64
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.