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 prfx.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- prfx.de
- Valid from
- Jun 22, 2026
- Valid until
- Sep 20, 2026 (61 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 059E907BBF460E12689DDC3AF39CF8CF001E
- SHA-256 fingerprint
- ED:A5:F4:6E:02:1A:93:22:8A:2B:22:38:53:EF:56:F6:E2:82:0B:6D:0C:AF:8D:3A:FA:51:F3:37:94:3F:2D:D3
- 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.