~/dnsniffer/issuers/cpanel·rank #15
▸ How many domains does cPanel secure?
64,965
active domains whose current TLS certificate was issued by cPanel, as of - 0.03% of all attributed domains.
# rank #15 of all CAs ▲ 2 in 30d# all records held: 160,674# subdomains: 2# intermediates: 5# United States
~/issuers/cpanel/history·active domains
64,965
domains secured by cPanel on 2026-10-14 · ▲ +50,406 (+346.22%) since 2025-06-30
# y-axis starts at 8.3K, 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
▲ +34.36%
+16,612 domains
90 days
▲ +2.65%
+1,675 domains
1 year
▲ +6.60%
+4,020 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| cPanel ECC Domain Validation Secure Server CA 3 | United States | 64,874 |
| cPanel RSA Domain Validation Secure Server CA 3 | United States | 73 |
| cPanel | United States | 12 |
| cPanel RSA Organization Validation Secure Server CA 3 | United States | 4 |
| cPanel High Assurance RSA Certification Authority | United States | 2 |
# faq
- ? How many domains does cPanel secure?
- cPanel is the certificate authority for 64,965 active domains as of October 14, 2026 - 0.03% of every domain DNSniffer can attribute to an issuer.
- ? Is cPanel gaining or losing market share?
- The number of domains secured by cPanel has grown by 6.60% over the last year (+4,020 domains).
- ? Which intermediate CAs does cPanel sign from?
- We have seen 5 intermediates under cPanel, the busiest being “cPanel ECC Domain Validation Secure Server CA 3” with 64,874 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.