SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gt-labortechnik.de
SSL/TLS Certificate
SSL/TLS Certificate for gt-labortechnik.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- gt-labortechnik.de
- Valid from
- Jul 9, 2026
- Valid until
- Oct 7, 2026 (79 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0550741E8557B5F5C0044E126D29609E7CFD
- SHA-256 fingerprint
- 79:07:B3:18:52:CC:F3:CE:68:E2:C4:FD:AE:E9:11:FB:E6:F4:09:23:18:0F:B5:1E:A9:AD:FD:C2:A0:63:2C:9A
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.