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 go55s.au
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- flightpublishing.au
- Valid from
- Jan 20, 2023
- Valid until
- Apr 20, 2023 (expired 1188 days ago)
- Public key
- RSA 2048-bit
- Serial
- 03468FBFD6F4598A0617A4E1763095D81D81
- SHA-256 fingerprint
- 62:97:90:A7:66:15:96:EC:4C:27:C2:E3:74:60:9F:CA:35:16:D0:73:60:DD:0C:59:27:8D:7E:23:C3:A9:51:6F
- Chain
- R3 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Jul 21, 2026.