~/dnsniffer/issuers/shenzhen-digital-certificate-authority-center-co·rank #147
$ dnsniffer count --issuer shenzhen-digital-certificate-authority-center-co --active
▸ How many domains does Shenzhen Digital Certificate Authority Center Co secure?
70
active domains whose current TLS certificate was issued by Shenzhen Digital Certificate Authority Center Co, as of — 0.00% of all attributed domains.
# rank #147 of all CAs# all records held: 74# subdomains: 0# intermediates: 2# China
~/issuers/shenzhen-digital-certificate-authority-center-co/history·active domains
70
domains secured by Shenzhen Digital Certificate Authority Center Co on 2026-08-31 · ▲ +59 (+536.36%) since 2025-06-30
# y-axis starts at 3.92, 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
▲ +1.45%
+1 domains
1 year
▲ +12.90%
+8 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| SZCA OV SSL CA | China | 47 |
| SZCA DV SSL CA | China | 23 |
# faq
- ? How many domains does Shenzhen Digital Certificate Authority Center Co secure?
- Shenzhen Digital Certificate Authority Center Co is the certificate authority for 70 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Shenzhen Digital Certificate Authority Center Co gaining or losing market share?
- The number of domains secured by Shenzhen Digital Certificate Authority Center Co has grown by 12.90% over the last year (+8 domains).
- ? Which intermediate CAs does Shenzhen Digital Certificate Authority Center Co sign from?
- We have seen 2 intermediates under Shenzhen Digital Certificate Authority Center Co, the busiest being “SZCA OV SSL CA” with 47 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.