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 katwinner-ao.com

Self-signed
Issued by (CA)
s112.vla.pt
Subject
s112.vla.pt
Valid from
Sep 25, 2026
Valid until
Sep 25, 2027 (328 days remaining)
Public key
RSA 4096-bit
Serial
5CDDFD9E635B243A21CE95341295171E7C4E0D08
SHA-256 fingerprint
14:4A:B2:F2:46:4C:ED:C9:9F:A3:C9:57:9E:67:F9:7E:EB:59:E7:2D:B1:ED:63:7B:89:64:80:1C:51:04:EF:9E
Chain
s112.vla.pt

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 Sep 30, 2026.

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TLS certificate

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