~/dnsniffer/issuers/identrust·rank #113
▸ How many domains does IdenTrust secure?
205
active domains whose current TLS certificate was issued by IdenTrust, as of - 0.00% of all attributed domains.
# rank #113 of all CAs ▼ 1 in 30d# all records held: 205# subdomains: 292# intermediates: 4# United States
~/issuers/identrust/history·active domains
205
domains secured by IdenTrust on 2026-10-15 · ▲ +52 (+33.99%) since 2025-06-30
# y-axis starts at 146.4, 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
▲ +1.99%
+4 domains
90 days
▲ +22.02%
+37 domains
1 year
▲ +25.00%
+41 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| TrustID Server CA O1 | United States | 197 |
| TrustID Server CA E1 | United States | 5 |
| IdenTrust Public Sector Server CA 1 | United States | 3 |
| TrustID RSA Server CA 2 | United States | 0 |
# faq
- ? How many domains does IdenTrust secure?
- IdenTrust is the certificate authority for 205 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is IdenTrust gaining or losing market share?
- The number of domains secured by IdenTrust has grown by 25.00% over the last year (+41 domains).
- ? Which intermediate CAs does IdenTrust sign from?
- We have seen 4 intermediates under IdenTrust, the busiest being “TrustID Server CA O1” with 197 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.