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~/dnsniffer/issuers/anhui-spider-information-technology-co·rank #161

▸ How many domains does Anhui Spider Information Technology Co secure?

53

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

# rank #161 of all CAs ▼ 3 in 30d# all records held: 53# subdomains: 0# intermediates: 1# China
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~/issuers/anhui-spider-information-technology-co/history·active domains
53
domains secured by Anhui Spider Information Technology Co on 2026-10-15 · ▲ +34 (+178.95%) since 2025-06-30
14.9225.463646.5457.082025-06-30: 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 active2026-09-01: 37 active2026-09-02: 37 active2026-09-03: 37 active2026-09-04: 37 active2026-09-05: 37 active2026-09-06: 37 active2026-09-07: 37 active2026-09-08: 37 active2026-09-09: 37 active2026-09-10: 38 active2026-09-11: 39 active2026-09-12: 39 active2026-09-13: 39 active2026-09-14: 39 active2026-09-15: 49 active2026-09-16: 49 active2026-09-17: 49 active2026-09-18: 50 active2026-09-19: 50 active2026-09-20: 50 active2026-09-21: 50 active2026-09-22: 50 active2026-09-23: 50 active2026-09-24: 50 active2026-09-25: 50 active2026-09-26: 50 active2026-09-27: 50 active2026-09-28: 51 active2026-09-29: 52 active2026-09-30: 52 active2026-10-01: 52 active2026-10-02: 52 active2026-10-03: 52 active2026-10-04: 52 active2026-10-05: 52 active2026-10-06: 52 active2026-10-07: 52 active2026-10-08: 52 active2026-10-09: 52 active2026-10-10: 52 active2026-10-11: 52 active2026-10-12: 52 active2026-10-13: 53 active2026-10-14: 53 active2026-10-15: 53 active2025-06-302026-10-15

# y-axis starts at 14.92, 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
▲ +8.16%
+4 domains
90 days
▲ +43.24%
+16 domains
1 year
▲ +120.83%
+29 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 CAChina53
# faq
? How many domains does Anhui Spider Information Technology Co secure?
Anhui Spider Information Technology Co is the certificate authority for 53 active domains as of October 15, 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 120.83% over the last year (+29 domains).
? Which intermediate CAs does Anhui Spider Information Technology Co sign from?
We have seen 1 intermediates under Anhui Spider Information Technology Co, the busiest being “AnTrust OV SSL G2 R30 CA” with 53 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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