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 mares.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- mares.de
- Valid from
- Jun 28, 2026
- Valid until
- Sep 26, 2026 (67 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05DFAF4718EBA6AFB65C14E89BF935D7C6B5
- SHA-256 fingerprint
- 59:91:38:4E:BD:7F:A3:3A:AD:E6:CC:ED:54:C6:E5:F9:B1:9A:C5:AC:90:E3:0A:7A:E1:92:96:4A:46:A1:B4:EE
- 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.