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 grafobuvar.hu

Hostname mismatch
Issued by (CA)
Let's Encrypt
Subject
autodiscover.activeonline.hu
Valid from
Jul 1, 2026
Valid until
Sep 29, 2026 (71 days remaining)
Public key
RSA 2048-bit
Serial
05412736DC84EC0C1566B8F8928BBEA5E2D7
SHA-256 fingerprint
AD:4E:58:D8:02:5C:B0:EB:7B:C0:61:34:8D:FD:C6:C1:5F:E0:48:57:D2:11:49:17:7D:81:1E:73:4E:C3:E9:EC
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (10)
activeonline.hu, autoconfig.activeonline.hu, autodiscover.activeonline.hu, cpanel.activeonline.hu, cpcalendars.activeonline.hu, cpcontacts.activeonline.hu, mail.activeonline.hu, webdisk.activeonline.hu, webmail.activeonline.hu, www.activeonline.hu

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.