~/dnsniffer/issuers/swissns·rank #140
$ dnsniffer count --issuer swissns --active

How many domains does swissns secure?

81

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

# rank #140 of all CAs# all records held: 81# subdomains: 5# intermediates: 1# Switzerland
~/issuers/swissns/history·active domains
81
domains secured by swissns on 2026-08-31 · +41 (+102.50%) since 2025-06-30
35.0847.7960.573.2100000000000185.922025-06-30: 40 active2025-07-31: 76 active2025-08-31: 77 active2025-09-30: 77 active2025-10-31: 77 active2025-11-30: 77 active2025-12-31: 79 active2026-01-31: 80 active2026-02-28: 80 active2026-03-31: 80 active2026-04-30: 80 active2026-05-31: 81 active2026-06-30: 81 active2026-07-31: 81 active2026-08-31: 81 active2025-06-302026-08-31

# y-axis starts at 35.08, 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
+0.00%
+0 domains
1 year
+5.19%
+4 domains
# intermediate CAs
Intermediate certificate authorities operating under swissns, with the number of active domains each currently secures.
intermediatecountrydomains
SwissNS TLS Issuing RSA CA R1Switzerland81
# faq
? How many domains does swissns secure?
swissns is the certificate authority for 81 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
? Is swissns gaining or losing market share?
The number of domains secured by swissns has grown by 5.19% over the last year (+4 domains).
? Which intermediate CAs does swissns sign from?
We have seen 1 intermediate under swissns, the busiest being “SwissNS TLS Issuing RSA CA R1” with 81 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.