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 r2t.us
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- r2t.us
- Valid from
- Jun 29, 2026
- Valid until
- Sep 27, 2026 (67 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05363B9242073FE5B626BE6C4061A71DE7F2
- SHA-256 fingerprint
- 99:48:8A:08:66:74:D8:E1:84:2F:7D:27:C8:BF:57:9D:5A:30:3C:4A:2C:B6:48:A9:48:B5:71:FA:1B:AF:87:C1
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.