SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sac-zug.ch
SSL/TLS Certificate
SSL/TLS Certificate for sac-zug.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- sac-zug.ch
- Valid from
- Jun 30, 2026
- Valid until
- Sep 28, 2026 (42 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05F1CAFF35BDCF6C57465F9F3ADFDD579993
- SHA-256 fingerprint
- 41:2D:9D:D6:28:55:E1:AC:D2:11:D1:D7:2E:1D:DF:F6:6B:FD:D5:21:AB:9D:7F:67:DC:1B:25:B7:D4:6C:A6:AC
- 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.
Never get surprised by sac-zug.ch's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch sac-zug.ch continuously, notifying you the moment anything moves across all three signals:
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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