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 spm.at
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- spm.at
- Valid from
- May 27, 2026
- Valid until
- Aug 25, 2026 (34 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 051C775EBD928E351BC2328D6E93CBBF5F7F
- SHA-256 fingerprint
- 7C:D3:2E:9E:18:D0:DD:B9:B7:6D:B9:90:70:03:FD:9B:81:F2:91:D6:28:F9:A7:04:05:09:EE:BC:9D:A9:3A:F1
- Chain
- R12 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.