~/dnsniffer/issuers/baidu·rank #176
▸ How many domains does Baidu secure?
24
active domains whose current TLS certificate was issued by Baidu, as of - 0.00% of all attributed domains.
# rank #176 of all CAs ▼ 7 in 30d# all records held: 24# subdomains: 11# intermediates: 4# China
~/issuers/baidu/history·active domains
24
domains secured by Baidu on 2026-10-14 · ▲ +15 (+166.67%) since 2025-06-30
# y-axis starts at 6.36, 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
▲ +20.00%
+4 domains
90 days
▼ -17.24%
-5 domains
1 year
▼ -17.24%
-5 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| Baidu | China | 17 |
| Baidu, Inc. DV CA | China | 6 |
| Baidu, Inc. OV CA | China | 1 |
| Baidu, Inc. EV CA | China | 0 |
# faq
- ? How many domains does Baidu secure?
- Baidu is the certificate authority for 24 active domains as of October 14, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Baidu gaining or losing market share?
- The number of domains secured by Baidu has shrunk by 17.24% over the last year (-5 domains).
- ? Which intermediate CAs does Baidu sign from?
- We have seen 4 intermediates under Baidu, the busiest being “Baidu” with 17 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.