SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gymco-security.si
SSL/TLS Certificate
SSL/TLS Certificate for gymco-security.si
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- ftp.gymco-security.si
- Valid from
- Sep 6, 2026
- Valid until
- Dec 5, 2026 (51 days remaining)
- Public key
- EC 384-bit
- Serial
- 055BA25CB61DEF8FAF4D60B0266764597F99
- SHA-256 fingerprint
- 17:DB:62:67:D3:A9:39:2A:0A:72:EE:F1:05:E4:DE:F5:C6:3D:30:71:B5:0E:63:F9:0B:3A:BE:7C:A5:6A:2D:18
- Chain
- YE1 → 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.
This certificate has been served since Sep 21, 2026.
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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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