SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
six-group.com
SSL/TLS Certificate
SSL/TLS Certificate for six-group.com
Valid- Issued by (CA)
- SwissSign AG
- Subject
- cafe-west.ch
- Valid from
- May 13, 2026
- Valid until
- Nov 27, 2026 (79 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 547CE40AF69962E745AE6C7FB4CD0BBEC4B71AFE
- SHA-256 fingerprint
- E8:DA:51:50:A4:B8:CF:7E:C7:A7:91:89:47:5B:86:56:C3:B4:6F:32:5A:10:8B:3A:2B:31:56:22:7B:D4:2E:23
- Chain
- SwissSign RSA TLS OV ICA 2022 - 1 → SwissSign RSA TLS Root CA 2022 - 1 → SwissSign Gold CA - G2
Certificate Authority Authorization (CAA)
CAA restricts issuance to amazon.com, amazonaws.com, amazontrust.com, awstrust.com, digicert.com, pki.goog, swisssign.com; we couldn't map the serving CA (SwissSign AG) to one of these identifiers.
This certificate has been served since Aug 22, 2026.
Never get surprised by six-group.com's certificate expiring
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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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