SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
zalar-co.si
SSL/TLS Certificate
SSL/TLS Certificate for zalar-co.si
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- webdisk.zalar-co.si
- Valid from
- Sep 5, 2026
- Valid until
- Dec 4, 2026 (88 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05494AADF4037BFB1126868FE1B63724C77E
- SHA-256 fingerprint
- 10:6F:7F:A3:7E:8F:81:AE:72:30:1E:89:C6:B5:67:E3:EA:F7:CA:64:A5:85:EE:DC:98:B3:50:8F:12:BD:D0:1D
- 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.
This certificate has been served since Aug 1, 2026.
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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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