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 wind-data.com

Valid
Issued by (CA)
Let's Encrypt
Subject
wind-data.com
Valid from
Aug 22, 2026
Valid until
Nov 20, 2026 (64 days remaining)
Public key
RSA 2048-bit
Serial
06EDBD71E03F5150A64B2C02F5B6B5AEC5FC
SHA-256 fingerprint
FE:70:31:8E:B5:60:6A:AD:D4:D7:72:56:D5:01:4D:56:29:DB:A3:38:AD:41:3C:0F:07:9D:2D:6A:15:9C:91:0F
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (3)
webmail.wind-data.com, wind-data.com, www.wind-data.com

Certificate Authority Authorization (CAA)

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

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Uptime

We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.

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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