SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
volny-termin.cz
SSL/TLS Certificate
SSL/TLS Certificate for volny-termin.cz
Hostname mismatch- Issued by (CA)
- Let's Encrypt
- Subject
- sve01.vas-server.cz
- Valid from
- Jul 28, 2026
- Valid until
- Oct 26, 2026 (74 days remaining)
- Public key
- EC 256-bit
- Serial
- 0638E27B21C29819CDA5A6A1C27AE19B61AA
- SHA-256 fingerprint
- B4:99:01:37:18:D0:69:82:5A:97:42:32:45:8A:83:81:09:9C:A9:0E:95:40:BE:26:58:7B:79:EB:24:2B:D1:89
- Chain
- YE2 → Root YE → ISRG Root X2 → 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
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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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