HTTPfy

Cybertrust Japan certificates on popular websites

Cybertrust Japan issued 24 of the 8,208 certificates we observed on popular sites in November 2026.

0.3%of observed certificates24 of 8,208

384 daysmedian validity period

12.5%expiring within 30 daysat scan time

91.7%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 37.5%

201 to 398 days 62.5%

over 398 days 0.0%

TLS versions negotiated

On sites using Cybertrust Japan (accent) and all sites (grey).

TLSv1.3 79.2%

all sites 84.9%

TLSv1.2 20.8%

all sites 15.1%

About Cybertrust Japan

Issuer organisation names seen in these certificates: Cybertrust Japan Co., Ltd. (24).

8.3% of the domains using Cybertrust Japan 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.cybertrust.co.jp/

Popular sites with a Cybertrust Japan certificate

yahoo.co.jporicon.co.jpcmoa.jpjapanpost.jpmainichi.jpocn.ne.jpsoftbank.jptv-asahi.co.jpnhk.jpcarview.co.jpchunichi.co.jpekitan.com

Check one yourself:

Check SSL certificate Look up CAA records HTTP 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.