SSL/TLS Certificate Lookup

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

aratecnica.com

SSL/TLS Certificate

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SSL/TLS Certificate for aratecnica.com

Valid
Issued by (CA)
Let's Encrypt
Subject
aratecnica.com
Valid from
Jul 3, 2026
Valid until
Oct 1, 2026 (72 days remaining)
Public key
RSA 2048-bit
Serial
05ACA7BFDF32CD4BF53DAE572143AABF879E
SHA-256 fingerprint
31:64:A3:C9:B4:81:F7:4A:CA:70:6B:E9:3B:25:D9:21:3F:20:78:C3:EC:35:30:47:FF:EF:19:2E:79:CA:40:3A
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
aratecnica.com, webmail.aratecnica.com, www.aratecnica.com

Certificate Authority Authorization (CAA)

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