SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

cert.sd

SSL/TLS Certificate

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SSL/TLS Certificate for cert.sd

Valid

Issued by (CA): Let's Encrypt
Subject: mail.pi.sd
Valid from: Jul 16, 2026
Valid until: Oct 14, 2026 (85 days remaining)
Public key: RSA 2048-bit
Serial: 050FC7C5B754521039F7C9D729541710A95A
SHA-256 fingerprint: 05:8A:7C:4E:AC:BE:17:68:3F:60:86:FF:9A:B1:F0:31:E2:E5:F0:C2:57:23:FF:41:DA:84:A5:6F:13:EC:4B:94
Chain: YR1 → Root YR → ISRG Root X1

Subject Alternative Names (19)

*.cert.sd, *.iot.sd, *.sd.mail.sd, autoconfig.pi.sd, autodiscover.pi.sd, cert.sd, cpanel.pi.sd, cpcalendars.pi.sd, cpcontacts.pi.sd, iot.sd, mail.pi.sd, pi.mail.sd, pi.sd, webdisk.pi.sd, webmail.pi.sd, www.cert.sd.mail.sd, www.iot.sd.mail.sd, www.pi.mail.sd, www.pi.sd

Certificate Authority Authorization (CAA)

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