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 winkdata.com

Valid
Issued by (CA)
Let's Encrypt
Subject
winkdata.com
Valid from
Oct 1, 2026
Valid until
Dec 30, 2026 (74 days remaining)
Public key
EC 256-bit
Serial
05AF586D0316D9F4F44EA4C30C052B7EB468
SHA-256 fingerprint
01:E2:0B:4C:0D:BC:1B:93:33:BC:FD:B7:A6:61:F7:E7:1E:5A:69:89:29:F3:D0:D3:CE:99:E5:DB:FC:FC:7C:74
Chain
YE2 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (1)
winkdata.com

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 10, 2026.

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Uptime

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DNS changes

We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.

TLS certificate

We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.

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