SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gforum-ua.org
SSL/TLS Certificate
SSL/TLS Certificate for gforum-ua.org
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- gforum-ua.org.ua
- Valid from
- May 29, 2026
- Valid until
- Aug 27, 2026 (expired 11 days ago)
- Public key
- RSA 4096-bit
- Serial
- 05AA03DBBAAB65302F2FE11F0B41DBFB5C0A
- SHA-256 fingerprint
- 05:E7:A8:81:0F:45:C7:E9:F6:F6:DA:FD:EF:83:7F:0A:3E:3C:5B:29:FF:3D:B1:95:1F:CF:A5:EE:C3:F8:A2:5E
- 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.
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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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