~/dnsniffer/issuers/cybertrust-japan-co·rank #36
$ dnsniffer count --issuer cybertrust-japan-co --active
▸ How many domains does Cybertrust Japan Co secure?
11,263
active domains whose current TLS certificate was issued by Cybertrust Japan Co, as of — 0.00% of all attributed domains.
# rank #36 of all CAs# all records held: 11,389# subdomains: 183# intermediates: 2# Japan
~/issuers/cybertrust-japan-co/history·active domains
11,263
domains secured by Cybertrust Japan Co on 2026-08-31 · ▲ +8,470 (+303.26%) since 2025-06-30
# y-axis starts at 2K, not zero — domain counts move by fractions of a percent a day. Dashed segments are estimated: reconstructed from certificate first-seen dates before daily snapshots began, not measured on the day.
# change over time
30 days
▲ +0.00%
+0 domains
90 days
▲ +0.88%
+98 domains
1 year
▲ +8.40%
+873 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| Cybertrust Japan SureServer CA G4 | Japan | 8,750 |
| Cybertrust Japan SureServer EV CA G3 | Japan | 2,513 |
# faq
- ? How many domains does Cybertrust Japan Co secure?
- Cybertrust Japan Co is the certificate authority for 11,263 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Cybertrust Japan Co gaining or losing market share?
- The number of domains secured by Cybertrust Japan Co has grown by 8.40% over the last year (+873 domains).
- ? Which intermediate CAs does Cybertrust Japan Co sign from?
- We have seen 2 intermediates under Cybertrust Japan Co, the busiest being “Cybertrust Japan SureServer CA G4” with 8,750 domains. The full list, with per-intermediate counts, is on this page.
- ? Where does this number come from?
- DNSniffer ingests Certificate Transparency logs continuously and records the issuer of the most recent certificate seen for each domain, then snapshots the per-issuer count once a day. It measures how much of the live web a CA currently secures, not how many certificates it has issued over its lifetime.