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 znkv.com

Untrusted chain
Issued by (CA)
Let's Encrypt
Subject
znkv.com
Valid from
Jul 16, 2026
Valid until
Oct 14, 2026 (70 days remaining)
Public key
RSA 2048-bit
Serial
05043DDDC1A5E08B0538341E8165DC0523EA
SHA-256 fingerprint
24:14:6D:7A:48:3A:DF:36:E2:32:7A:DD:25:02:46:A5:2B:2F:FE:C6:78:88:DC:9D:60:A2:12:32:0D:26:77:3F
Chain
YR2
Subject Alternative Names (2)
*.znkv.com, znkv.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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