~/dnsniffer/issuers/swisssign·rank #48
$ dnsniffer count --issuer swisssign --active
▸ How many domains does SwissSign secure?
4,596
active domains whose current TLS certificate was issued by SwissSign, as of — 0.00% of all attributed domains.
# rank #48 of all CAs# all records held: 4,667# subdomains: 1,135# intermediates: 9# Switzerland
~/issuers/swisssign/history·active domains
4,596
domains secured by SwissSign on 2026-08-31 · ▲ +2,943 (+178.04%) since 2025-06-30
# y-axis starts at 1K, 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
▲ +0.02%
+1 domains
90 days
▲ +1.88%
+85 domains
1 year
▲ +12.73%
+519 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| SwissSign RSA TLS OV ICA 2022 - 1 | Switzerland | 2,469 |
| SwissSign RSA TLS DV ICA 2022 - 1 | Switzerland | 1,383 |
| SwissSign RSA TLS EV ICA 2022 - 1 | Switzerland | 743 |
| SwissSign RSA TLS OV ICA 2026 - 1 | Switzerland | 1 |
| SwissSign RSA TLS DV ICA 2021 - 1 | Switzerland | 0 |
| SwissSign RSA TLS EV ICA 2021 - 1 | Switzerland | 0 |
| SwissSign RSA TLS OV ICA 2021 - 1 | Switzerland | 0 |
| SwissSign RSA TLS DV ICA 2026 - 1 | Switzerland | 0 |
| SwissSign RSA TLS EV ICA 2026 - 1 | Switzerland | 0 |
# faq
- ? How many domains does SwissSign secure?
- SwissSign is the certificate authority for 4,596 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is SwissSign gaining or losing market share?
- The number of domains secured by SwissSign has grown by 12.73% over the last year (+519 domains).
- ? Which intermediate CAs does SwissSign sign from?
- We have seen 9 intermediates under SwissSign, the busiest being “SwissSign RSA TLS OV ICA 2022 - 1” with 2,469 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.