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~/dnsniffer/issuers/cloudsecure·rank #36

▸ How many domains does CloudSecure secure?

11,721

active domains whose current TLS certificate was issued by CloudSecure, as of - 0.00% of all attributed domains.

# rank #36 of all CAs# all records held: 11,991# subdomains: 330# intermediates: 6# Japan
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~/issuers/cloudsecure/history·active domains
11,721
domains secured by CloudSecure on 2026-10-14 · ▲ +6,472 (+123.30%) since 2025-06-30
4.5K6.5K8.5K10.5K12.5K2025-06-30: 5,249 active2025-07-31: 10,167 active2025-08-31: 10,195 active2025-09-30: 10,200 active2025-10-31: 10,200 active2025-11-30: 10,200 active2025-12-31: 10,500 active2026-01-31: 10,587 active2026-02-28: 10,587 active2026-03-31: 10,587 active2026-04-30: 10,808 active2026-05-31: 10,874 active2026-06-30: 10,925 active2026-07-31: 10,974 active2026-08-31: 10,974 active2026-09-01: 11,007 active2026-09-02: 11,032 active2026-09-03: 10,916 active2026-09-04: 10,851 active2026-09-05: 10,885 active2026-09-06: 10,891 active2026-09-07: 10,934 active2026-09-08: 10,963 active2026-09-09: 11,000 active2026-09-10: 11,018 active2026-09-11: 11,045 active2026-09-12: 11,048 active2026-09-13: 11,055 active2026-09-14: 11,076 active2026-09-15: 11,108 active2026-09-16: 11,138 active2026-09-17: 11,176 active2026-09-18: 11,201 active2026-09-19: 11,230 active2026-09-20: 11,260 active2026-09-21: 11,277 active2026-09-22: 11,281 active2026-09-23: 11,299 active2026-09-24: 11,516 active2026-09-25: 11,541 active2026-09-26: 11,558 active2026-09-27: 11,553 active2026-09-28: 11,571 active2026-09-29: 11,598 active2026-09-30: 11,597 active2026-10-01: 11,615 active2026-10-02: 11,653 active2026-10-03: 11,659 active2026-10-04: 11,650 active2026-10-05: 11,660 active2026-10-06: 11,662 active2026-10-07: 11,675 active2026-10-08: 11,682 active2026-10-09: 11,691 active2026-10-10: 11,699 active2026-10-11: 11,709 active2026-10-12: 11,711 active2026-10-13: 11,712 active2026-10-14: 11,721 active2025-06-302026-10-14

# y-axis starts at 4.5K, 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
▲ +5.82%
+645 domains
90 days
▲ +7.29%
+796 domains
1 year
▲ +14.91%
+1,521 domains
# intermediate CAs
Intermediate certificate authorities operating under CloudSecure, with the number of active domains each currently secures.
intermediatecountrydomains
CloudSecure RSA Domain Validation Secure Server CA 3Japan10,053
CloudSecure RSA Domain Validation Secure Server CA 2Japan1,051
CloudSecure RSA Organization Validation Secure Server CA 3Japan582
CloudSecure RSA Extended Validation Secure Server CA 3Japan23
CloudSecure RSA Organization Validation Secure Server CA 2Japan11
CloudSecure RSA Extended Validation Secure Server CA 2Japan1
# faq
? How many domains does CloudSecure secure?
CloudSecure is the certificate authority for 11,721 active domains as of October 14, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is CloudSecure gaining or losing market share?
The number of domains secured by CloudSecure has grown by 14.91% over the last year (+1,521 domains).
? Which intermediate CAs does CloudSecure sign from?
We have seen 6 intermediates under CloudSecure, the busiest being “CloudSecure RSA Domain Validation Secure Server CA 3” with 10,053 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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