SSL/TLS Certificate Lookup

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

gntsystems.com

SSL/TLS Certificate

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SSL/TLS Certificate for gntsystems.com

Valid
Issued by (CA)
Let's Encrypt
Subject
mail.gntsystems.com.ng
Valid from
Jul 3, 2026
Valid until
Oct 1, 2026 (72 days remaining)
Public key
RSA 2048-bit
Serial
05F3813B45530180B57D7521DB58CA78E294
SHA-256 fingerprint
3F:54:52:7F:EE:ED:C9:28:BE:25:35:63:22:E6:B9:FB:CB:86:BF:37:34:3C:45:A0:EB:34:8A:6C:AA:41:AC:17
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (22)
autoconfig.gntsystems.com, autoconfig.gntsystems.com.ng, autodiscover.gntsystems.com, autodiscover.gntsystems.com.ng, cpanel.gntsystems.com, cpanel.gntsystems.com.ng, cpcalendars.gntsystems.com, cpcalendars.gntsystems.com.ng, cpcontacts.gntsystems.com, cpcontacts.gntsystems.com.ng, gntsystems.com, gntsystems.com.ng, gntsystems.com.ng.gntsystems.com, mail.gntsystems.com, mail.gntsystems.com.ng, webdisk.gntsystems.com, webdisk.gntsystems.com.ng, webmail.gntsystems.com, webmail.gntsystems.com.ng, www.gntsystems.com, www.gntsystems.com.ng, www.gntsystems.com.ng.gntsystems.com

Certificate Authority Authorization (CAA)

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