SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for go-tel.si

Valid
Issued by (CA)
Sectigo Limited
Subject
go-tel.si
Valid from
Jan 26, 2026
Valid until
Feb 25, 2027 (164 days remaining)
Public key
RSA 2048-bit
Serial
498A9C20FCDCAB20B4FE70A55C315814
SHA-256 fingerprint
A7:91:67:5C:79:45:78:B2:0A:20:D4:CE:68:7F:F0:80:D3:52:4F:CB:0F:64:28:83:A3:22:08:04:97:F8:E0:88
Chain
Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
Subject Alternative Names (2)
go-tel.si, www.go-tel.si

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 13, 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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