~/dnsniffer/issuers/key-systems·rank #87
▸ How many domains does Key-Systems secure?
1,044
active domains whose current TLS certificate was issued by Key-Systems, as of - 0.00% of all attributed domains.
# rank #87 of all CAs ▲ 4 in 30d# all records held: 1,045# subdomains: 0# intermediates: 2# Germany
~/issuers/key-systems/history·active domains
1,044
domains secured by Key-Systems on 2026-10-15 · ▲ +806 (+338.66%) since 2025-06-30
# y-axis starts at 141.28, 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
▲ +28.26%
+230 domains
90 days
▲ +38.28%
+289 domains
1 year
▲ +50.87%
+352 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| GlobeSSL RSA DV SSL CA 2 | Germany | 1,044 |
| GlobeSSL RSA EV SSL CA 2 | Germany | 0 |
# faq
- ? How many domains does Key-Systems secure?
- Key-Systems is the certificate authority for 1,044 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Key-Systems gaining or losing market share?
- The number of domains secured by Key-Systems has grown by 50.87% over the last year (+352 domains).
- ? Which intermediate CAs does Key-Systems sign from?
- We have seen 2 intermediates under Key-Systems, the busiest being “GlobeSSL RSA DV SSL CA 2” with 1,044 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.