SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
vr-zona.sk
SSL/TLS Certificate
SSL/TLS Certificate for vr-zona.sk
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- *.r6.websupport.sk
- Valid from
- Jul 6, 2026
- Valid until
- Oct 4, 2026 (66 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 0571A6C2B0C3C69609B0B15D9A965E54D82E
- SHA-256 fingerprint
- 6D:E1:99:60:F0:9B:D6:A7:67:99:8C:13:1F:86:6A:FC:31:48:BE:AC:82:EC:FB:53:2B:B5:94:1D:BA:7C:A7:CD
- Chain
- YR2 → Root YR → ISRG Root X1
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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