~/dnsniffer/issuers/global-digital-cybersecurity-authority-co·rank #99
$ dnsniffer count --issuer global-digital-cybersecurity-authority-co --active
▸ How many domains does Global Digital Cybersecurity Authority Co secure?
562
active domains whose current TLS certificate was issued by Global Digital Cybersecurity Authority Co, as of — 0.00% of all attributed domains.
# rank #99 of all CAs# all records held: 582# subdomains: 65# intermediates: 6# China
~/issuers/global-digital-cybersecurity-authority-co/history·active domains
562
domains secured by Global Digital Cybersecurity Authority Co on 2026-08-31 · ▲ +364 (+183.84%) since 2025-06-30
# y-axis starts at 154.32, 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
▲ +0.54%
+3 domains
1 year
▲ +11.51%
+58 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| GDCA TrustAUTH R4 OV SSL CA G2 | China | 297 |
| GDCA TrustAUTH R4 DV SSL CA G2 | China | 252 |
| GDCA TrustAUTH R4 DV SSL CA | China | 7 |
| GDCA TrustAUTH R4 EV SSL CA G2 | China | 3 |
| GDCA TrustAUTH R4 OV SSL CA | China | 3 |
| GDCA TrustAUTH R4 EV SSL CA | China | 0 |
# faq
- ? How many domains does Global Digital Cybersecurity Authority Co secure?
- Global Digital Cybersecurity Authority Co is the certificate authority for 562 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Global Digital Cybersecurity Authority Co gaining or losing market share?
- The number of domains secured by Global Digital Cybersecurity Authority Co has grown by 11.51% over the last year (+58 domains).
- ? Which intermediate CAs does Global Digital Cybersecurity Authority Co sign from?
- We have seen 6 intermediates under Global Digital Cybersecurity Authority Co, the busiest being “GDCA TrustAUTH R4 OV SSL CA G2” with 297 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.