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 csi-ap.it

Valid
Issued by (CA)
Let's Encrypt
Subject
cpcalendars.csi-ap.it
Valid from
Jul 3, 2026
Valid until
Oct 1, 2026 (65 days remaining)
Public key
RSA 2048-bit
Serial
0514DD7B3DCFDE3B61877373101D3D6AD398
SHA-256 fingerprint
10:51:4A:E9:82:8E:5A:7F:C3:43:97:42:E7:CD:BC:40:3B:96:AA:C7:15:9D:CD:D9:47:34:D9:A0:56:5A:87:8D
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (10)
autoconfig.csi-ap.it, autodiscover.csi-ap.it, cpanel.csi-ap.it, cpcalendars.csi-ap.it, cpcontacts.csi-ap.it, csi-ap.it, mail.csi-ap.it, webdisk.csi-ap.it, webmail.csi-ap.it, www.csi-ap.it

Certificate Authority Authorization (CAA)

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

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DNS changes

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TLS certificate

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