~/dnsniffer/issuers/tbs-internet·rank #96
$ dnsniffer count --issuer tbs-internet --active
▸ How many domains does TBS INTERNET secure?
702
active domains whose current TLS certificate was issued by TBS INTERNET, as of — 0.00% of all attributed domains.
# rank #96 of all CAs# all records held: 726# subdomains: 53# intermediates: 2# United Kingdom
~/issuers/tbs-internet/history·active domains
702
domains secured by TBS INTERNET on 2026-08-31 · ▲ +449 (+177.47%) since 2025-06-30
# y-axis starts at 199.12, 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
▲ +0.29%
+2 domains
1 year
▲ +4.78%
+32 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| TBS RSA Organization Validation Secure Server CA 3 | United Kingdom | 399 |
| TBS RSA Organization Validation Secure Server CA 4 | United Kingdom | 303 |
# faq
- ? How many domains does TBS INTERNET secure?
- TBS INTERNET is the certificate authority for 702 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is TBS INTERNET gaining or losing market share?
- The number of domains secured by TBS INTERNET has grown by 4.78% over the last year (+32 domains).
- ? Which intermediate CAs does TBS INTERNET sign from?
- We have seen 2 intermediates under TBS INTERNET, the busiest being “TBS RSA Organization Validation Secure Server CA 3” with 399 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.