SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
kopija-nova.si
SSL/TLS Certificate
SSL/TLS Certificate for kopija-nova.si
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- kopija-nova.si
- Valid from
- Jul 19, 2026
- Valid until
- Oct 17, 2026 (85 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 057E83AF03115BCA17FFA52B1FB8D1532A4E
- SHA-256 fingerprint
- D7:5E:9A:E4:83:CA:B9:3C:C1:68:00:A9:F0:C9:84:87:7E:51:CF:03:19:D2:03:2B:37:42:5F:DA:AF:D1:81:DE
- 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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