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▸ How many domains does Global Digital Cybersecurity Authority Co secure?

536

active domains whose current TLS certificate was issued by Global Digital Cybersecurity Authority Co, as of - 0.00% of all attributed domains.

# rank #100 of all CAs# all records held: 538# subdomains: 65# intermediates: 6# China
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~/issuers/global-digital-cybersecurity-authority-co/history·active domains
536
domains secured by Global Digital Cybersecurity Authority Co on 2026-10-15 · ▲ +338 (+170.71%) since 2025-06-30
151.68271.34391510.66630.322025-06-30: 198 active2025-07-31: 504 active2025-08-31: 504 active2025-09-30: 505 active2025-10-31: 505 active2025-11-30: 505 active2025-12-31: 525 active2026-01-31: 528 active2026-02-28: 528 active2026-03-31: 528 active2026-04-30: 552 active2026-05-31: 559 active2026-06-30: 561 active2026-07-31: 562 active2026-08-31: 562 active2026-09-01: 565 active2026-09-02: 566 active2026-09-03: 562 active2026-09-04: 561 active2026-09-05: 563 active2026-09-06: 562 active2026-09-07: 562 active2026-09-08: 562 active2026-09-09: 562 active2026-09-10: 559 active2026-09-11: 564 active2026-09-12: 564 active2026-09-13: 564 active2026-09-14: 564 active2026-09-15: 563 active2026-09-16: 566 active2026-09-17: 566 active2026-09-18: 570 active2026-09-19: 568 active2026-09-20: 568 active2026-09-21: 570 active2026-09-22: 567 active2026-09-23: 567 active2026-09-24: 584 active2026-09-25: 584 active2026-09-26: 584 active2026-09-27: 584 active2026-09-28: 580 active2026-09-29: 577 active2026-09-30: 575 active2026-10-01: 574 active2026-10-02: 574 active2026-10-03: 574 active2026-10-04: 574 active2026-10-05: 574 active2026-10-06: 574 active2026-10-07: 574 active2026-10-08: 573 active2026-10-09: 560 active2026-10-10: 552 active2026-10-11: 550 active2026-10-12: 548 active2026-10-13: 547 active2026-10-14: 543 active2026-10-15: 536 active2025-06-302026-10-15

# y-axis starts at 151.68, 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
▼ -4.80%
-27 domains
90 days
▼ -4.46%
-25 domains
1 year
▲ +6.14%
+31 domains
# intermediate CAs
Intermediate certificate authorities operating under Global Digital Cybersecurity Authority Co, with the number of active domains each currently secures.
intermediatecountrydomains
GDCA TrustAUTH R4 OV SSL CA G2China291
GDCA TrustAUTH R4 DV SSL CA G2China238
GDCA TrustAUTH R4 DV SSL CAChina4
GDCA TrustAUTH R4 OV SSL CAChina3
GDCA TrustAUTH R4 EV SSL CAChina0
GDCA TrustAUTH R4 EV SSL CA G2China0
# faq
? How many domains does Global Digital Cybersecurity Authority Co secure?
Global Digital Cybersecurity Authority Co is the certificate authority for 536 active domains as of October 15, 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 6.14% over the last year (+31 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 291 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.
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