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 nrtk.app
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- yk-games.linkpc.net
- Valid from
- Jun 15, 2026
- Valid until
- Sep 13, 2026 (54 days remaining)
- Public key
- EC 256-bit
- Serial
- 05C20F94A384662277C5A67A94C692287D35
- SHA-256 fingerprint
- CC:7C:69:E9:A5:B6:06:34:90:0C:3A:0F:D7:8B:85:8F:EC:C3:3A:2D:DD:36:71:1B:6C:AF:20:17:EB:24:C3:E3
- Chain
- YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.