SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
pragoeduca.cz
SSL/TLS Certificate
SSL/TLS Certificate for pragoeduca.cz
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- pragoeduca.cz
- Valid from
- Sep 10, 2026
- Valid until
- Dec 9, 2026 (51 days remaining)
- Public key
- RSA 3072-bit
- Serial
- 063F0D0FA51D76AF62DEB0B72A4E468A381A
- SHA-256 fingerprint
- A1:A3:7C:8C:3F:11:B5:B9:5B:5D:27:C1:46:26:E0:E7:1B:5C:7D:60:A4:2D:B3:A4:20:43:E9:54:6F:14:33:40
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
We've observed 1 previous certificate for this host. This certificate has been served since Sep 17, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, CNAME, TXT 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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