~/dnsniffer/issuers/guizhou-electronic-certification-technology-co·rank #191
$ dnsniffer count --issuer guizhou-electronic-certification-technology-co --active

How many domains does Guizhou Electronic Certification Technology Co secure?

7

active domains whose current TLS certificate was issued by Guizhou Electronic Certification Technology Co, as of 0.00% of all attributed domains.

# rank #191 of all CAs# all records held: 8# subdomains: 0# intermediates: 3# China
~/issuers/guizhou-electronic-certification-technology-co/history·active domains
7
domains secured by Guizhou Electronic Certification Technology Co on 2026-08-31 · +5 (+250.00%) since 2025-06-30
1.42.94999999999999974.56.0499999999999997.62025-06-30: 2 active2025-07-31: 5 active2025-08-31: 5 active2025-09-30: 5 active2025-10-31: 5 active2025-11-30: 5 active2025-12-31: 6 active2026-01-31: 7 active2026-02-28: 7 active2026-03-31: 7 active2026-04-30: 7 active2026-05-31: 7 active2026-06-30: 7 active2026-07-31: 7 active2026-08-31: 7 active2025-06-302026-08-31

# y-axis starts at 1.4, 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
+0.00%
+0 domains
1 year
+40.00%
+2 domains
# intermediate CAs
Intermediate certificate authorities operating under Guizhou Electronic Certification Technology Co, with the number of active domains each currently secures.
intermediatecountrydomains
GZCA ECC DV SSL CAChina5
GZCA ECC OV SSL CAChina2
GZCA ECC EV SSL CAChina0
# faq
? How many domains does Guizhou Electronic Certification Technology Co secure?
Guizhou Electronic Certification Technology Co is the certificate authority for 7 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Guizhou Electronic Certification Technology Co gaining or losing market share?
The number of domains secured by Guizhou Electronic Certification Technology Co has grown by 40.00% over the last year (+2 domains).
? Which intermediate CAs does Guizhou Electronic Certification Technology Co sign from?
We have seen 3 intermediates under Guizhou Electronic Certification Technology Co, the busiest being “GZCA ECC DV SSL CA” with 5 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.