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SwissSign certificates on popular websites

SwissSign issued 7 of the 8,208 certificates we observed on popular sites in November 2026.

0.1%of observed certificates7 of 8,208
198 daysmedian validity period
0.0%expiring within 30 daysat scan time
100.0%validated for the host name

Validity period

Days between notBefore and notAfter of the leaf certificate.

up to 100 days 0.0%
101 to 200 days 85.7%
201 to 398 days 14.3%
over 398 days 0.0%

TLS versions negotiated

On sites using SwissSign (accent) and all sites (grey).

TLSv1.3 100.0%
all sites 84.9%

About SwissSign

Issuer organisation names seen in these certificates: SwissSign AG (7).

14.3% of the domains using SwissSign publish a CAA record (all sites: 20.7%). A CAA record names the CAs allowed to issue for the domain; any other CA must refuse.

CA site: https://www.swisssign.com/

Popular sites with a SwissSign certificate

admin.chhessen.desbb.chswisscom.chbluewin.chpcloud.comlidl.de

Check one yourself:

Check SSL certificateLook up CAA recordsHTTP headers

Source: our own scan of November 2026 (2026-11-11), 9,971 of the top 10,000 domains of the Tranco list Y895G that answered in DNS. Method and data.