~/dnsniffer/issuers/cybertrust-japan·rank #110
$ dnsniffer count --issuer cybertrust-japan --active
▸ How many domains does Cybertrust Japan secure?
276
active domains whose current TLS certificate was issued by Cybertrust Japan, as of — 0.00% of all attributed domains.
# rank #110 of all CAs# all records held: 276# subdomains: 0# intermediates: 2# Japan
~/issuers/cybertrust-japan/history·active domains
276
domains secured by Cybertrust Japan on 2026-08-31 · ▲ +132 (+91.67%) since 2025-06-30
# y-axis starts at 128.04, 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
▼ -0.36%
-1 domains
90 days
▲ +1.85%
+5 domains
1 year
▲ +5.75%
+15 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| Cybertrust iTrust OV TLS RSA4096 CA 2025 E1 | Japan | 184 |
| Cybertrust iTrust EV TLS RSA4096 CA 2025 E1 | Japan | 92 |
# faq
- ? How many domains does Cybertrust Japan secure?
- Cybertrust Japan is the certificate authority for 276 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Cybertrust Japan gaining or losing market share?
- The number of domains secured by Cybertrust Japan has grown by 5.75% over the last year (+15 domains).
- ? Which intermediate CAs does Cybertrust Japan sign from?
- We have seen 2 intermediates under Cybertrust Japan, the busiest being “Cybertrust iTrust OV TLS RSA4096 CA 2025 E1” with 184 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.