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 roteg.de
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- roteg.de
- Valid from
- Jun 16, 2026
- Valid until
- Sep 14, 2026 (54 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05B69A24051B7052DEE2402DED2953FB2B3E
- SHA-256 fingerprint
- B4:1D:61:A4:30:CC:2C:EC:EA:D7:E1:DF:54:6D:4C:60:74:64:1A:15:E8:12:61:62:D8:08:79:99:C1:BC:59:DF
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (letsencrypt.org, sectigo.com).