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 pap-it.co.th

Valid
Issued by (CA)
Let's Encrypt
Subject
mail.pap-it.co.th
Valid from
Oct 7, 2026
Valid until
Jan 5, 2027 (74 days remaining)
Public key
EC 384-bit
Serial
0639CBC6A4B3A370E89EA394039C74071672
SHA-256 fingerprint
C7:2C:EA:32:2C:9C:8C:ED:A1:5D:AC:08:B8:EE:D9:51:69:37:1A:BD:8B:59:A0:30:6D:E1:C2:6E:FC:44:62:51
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (5)
mail.pap-it.co.th, pap-it.co.th, pop.pap-it.co.th, smtp.pap-it.co.th, www.pap-it.co.th

Certificate Authority Authorization (CAA)

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

We've observed 1 previous certificate for this host. This certificate has been served since Oct 11, 2026.

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Uptime

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DNS changes

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TLS certificate

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