~/dnsniffer/issuers/global-digital-cybersecurity-authority·rank #114
$ dnsniffer count --issuer global-digital-cybersecurity-authority --active
▸ How many domains does Global Digital Cybersecurity Authority secure?
226
active domains whose current TLS certificate was issued by Global Digital Cybersecurity Authority, as of — 0.00% of all attributed domains.
# rank #114 of all CAs# all records held: 226# subdomains: 0# intermediates: 3# China
~/issuers/global-digital-cybersecurity-authority/history·active domains
226
domains secured by Global Digital Cybersecurity Authority on 2026-08-31 · ▲ +145 (+179.01%) since 2025-06-30
# y-axis starts at 63.6, 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
▲ +2.73%
+6 domains
1 year
▲ +10.78%
+22 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| GDCA TrustAUTH R4 OV SSL CA2 | China | 142 |
| GDCA TrustAUTH R4 DV SSL CA2 | China | 80 |
| GDCA TrustAUTH R4 EV SSL CA2 | China | 4 |
# faq
- ? How many domains does Global Digital Cybersecurity Authority secure?
- Global Digital Cybersecurity Authority is the certificate authority for 226 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Global Digital Cybersecurity Authority gaining or losing market share?
- The number of domains secured by Global Digital Cybersecurity Authority has grown by 10.78% over the last year (+22 domains).
- ? Which intermediate CAs does Global Digital Cybersecurity Authority sign from?
- We have seen 3 intermediates under Global Digital Cybersecurity Authority, the busiest being “GDCA TrustAUTH R4 OV SSL CA2” with 142 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.