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 iab.at
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- iab.at
- Valid from
- Jun 22, 2026
- Valid until
- Sep 20, 2026 (60 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053742D28CB6532A9021A7500F5FEBB2D3F4
- SHA-256 fingerprint
- DB:1B:E6:76:75:24:1B:AE:A8:A9:33:FE:F2:16:16:D9:E0:36:4B:6B:05:01:BB:DD:2F:87:13:03:96:7B:04:53
- 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.