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 aa1.de
Valid- Issued by (CA)
- Starfield Technologies
- Subject
- aa1.de
- Valid from
- Jul 6, 2026
- Valid until
- Oct 4, 2026 (74 days remaining)
- Public key
- RSA 2048-bit
- Serial
- CCD968BC76A937B3
- SHA-256 fingerprint
- 00:B5:82:11:3A:CF:18:40:97:35:98:2F:D7:BC:6E:D2:4A:16:5F:92:DA:BA:AC:D1:3F:7D:DB:1A:CC:37:4F:56
- Chain
- Starfield TLS Intermediate CA DV - R1v1 → Starfield TLS Root CA - R1 → Starfield Root Certificate Authority - G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.