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 z-drive.net

Valid
Issued by (CA)
Let's Encrypt
Subject
www.z-drive.net
Valid from
Jul 22, 2026
Valid until
Oct 20, 2026 (66 days remaining)
Public key
RSA 2048-bit
Serial
05486B252C4A745F3EFCDEDF286E1CC62A4D
SHA-256 fingerprint
CC:5A:89:36:15:2C:AC:5E:0A:8D:43:3F:2F:D9:FD:C9:CB:B9:16:20:8D:0F:56:CF:F8:6F:85:7D:27:B9:99:DC
Chain
YR1 → Root YR → ISRG Root X1
Subject Alternative Names (4)
www.z-drive.net, www.zdrive.net, z-drive.net, zdrive.net

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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