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 reg.ru

Valid
Issued by (CA)
GlobalSign nv-sa
Subject
www.reg.ru
Valid from
Nov 7, 2025
Valid until
Dec 9, 2026 (140 days remaining)
Public key
RSA 4096-bit
Serial
43F7FC8A5F51E5C7DD9809EF
SHA-256 fingerprint
06:7B:34:65:88:F3:9A:6E:3D:73:2A:64:5C:03:87:9F:5A:95:BA:DF:45:E6:07:0B:F7:6A:56:5D:F7:ED:73:00
Chain
GlobalSign GCC R3 EV TLS CA 2025 → GlobalSign
Subject Alternative Names (5)
autodiscover.reg.ru, mail.reg.ru, owa.reg.ru, reg.ru, www.reg.ru

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 20, 2026.