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 runia.com

Valid
Issued by (CA)
Let's Encrypt
Subject
mail.runia.com
Valid from
Jun 17, 2026
Valid until
Sep 15, 2026 (55 days remaining)
Public key
EC 256-bit
Serial
0540E5E0B464FC800E85BAAF6717666F0FDF
SHA-256 fingerprint
F5:BC:C7:40:8D:E7:DD:B7:4F:89:33:66:C5:95:46:C6:72:DD:E2:DC:9D:2B:26:0C:6B:5D:6F:39:72:D6:A3:95
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (3)
mail.runia.com, runia.com, www.runia.com

Certificate Authority Authorization (CAA)

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