~/dnsniffer/issuers/anhui-spider-information-technology-co·rank #163
$ dnsniffer count --issuer anhui-spider-information-technology-co --active

How many domains does Anhui Spider Information Technology Co secure?

37

active domains whose current TLS certificate was issued by Anhui Spider Information Technology Co, as of 0.00% of all attributed domains.

# rank #163 of all CAs# all records held: 37# subdomains: 0# intermediates: 1# China
~/issuers/anhui-spider-information-technology-co/history·active domains
37
domains secured by Anhui Spider Information Technology Co on 2026-08-31 · +18 (+94.74%) since 2025-06-30
16.8422.4199999999999982833.5839.162025-06-30: 19 active2025-07-31: 24 active2025-08-31: 24 active2025-09-30: 24 active2025-10-31: 24 active2025-11-30: 24 active2025-12-31: 25 active2026-01-31: 26 active2026-02-28: 26 active2026-03-31: 26 active2026-04-30: 34 active2026-05-31: 34 active2026-06-30: 37 active2026-07-31: 37 active2026-08-31: 37 active2025-06-302026-08-31

# y-axis starts at 16.84, 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
+8.82%
+3 domains
1 year
+54.17%
+13 domains
# intermediate CAs
Intermediate certificate authorities operating under Anhui Spider Information Technology Co, with the number of active domains each currently secures.
intermediatecountrydomains
AnTrust OV SSL G2 R30 CAChina37
# faq
? How many domains does Anhui Spider Information Technology Co secure?
Anhui Spider Information Technology Co is the certificate authority for 37 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Anhui Spider Information Technology Co gaining or losing market share?
The number of domains secured by Anhui Spider Information Technology Co has grown by 54.17% over the last year (+13 domains).
? Which intermediate CAs does Anhui Spider Information Technology Co sign from?
We have seen 1 intermediate under Anhui Spider Information Technology Co, the busiest being “AnTrust OV SSL G2 R30 CA” with 37 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.