~/dnsniffer/issuers/swisssign·rank #46

▸ How many domains does SwissSign secure?

4,597

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

# rank #46 of all CAs# all records held: 4,668# subdomains: 1,135# intermediates: 9# Switzerland
~/issuers/swisssign/history·active domains
4,597
domains secured by SwissSign on 2026-10-14 · ▲ +2,944 (+178.10%) since 2025-06-30
1.3K2.2K3.2K4.1K5.0K2025-06-30: 1,653 active2025-07-31: 4,070 active2025-08-31: 4,077 active2025-09-30: 4,089 active2025-10-31: 4,089 active2025-11-30: 4,089 active2025-12-31: 4,149 active2026-01-31: 4,325 active2026-02-28: 4,325 active2026-03-31: 4,325 active2026-04-30: 4,435 active2026-05-31: 4,511 active2026-06-30: 4,577 active2026-07-31: 4,595 active2026-08-31: 4,596 active2026-09-01: 4,587 active2026-09-02: 4,603 active2026-09-03: 4,626 active2026-09-04: 4,638 active2026-09-05: 4,653 active2026-09-06: 4,637 active2026-09-07: 4,619 active2026-09-08: 4,612 active2026-09-09: 4,607 active2026-09-10: 4,614 active2026-09-11: 4,631 active2026-09-12: 4,641 active2026-09-13: 4,634 active2026-09-14: 4,613 active2026-09-15: 4,628 active2026-09-16: 4,642 active2026-09-17: 4,650 active2026-09-18: 4,642 active2026-09-19: 4,661 active2026-09-20: 4,635 active2026-09-21: 4,602 active2026-09-22: 4,636 active2026-09-23: 4,647 active2026-09-24: 4,684 active2026-09-25: 4,664 active2026-09-26: 4,635 active2026-09-27: 4,616 active2026-09-28: 4,591 active2026-09-29: 4,623 active2026-09-30: 4,640 active2026-10-01: 4,642 active2026-10-02: 4,653 active2026-10-03: 4,643 active2026-10-04: 4,613 active2026-10-05: 4,599 active2026-10-06: 4,626 active2026-10-07: 4,640 active2026-10-08: 4,647 active2026-10-09: 4,646 active2026-10-10: 4,635 active2026-10-11: 4,600 active2026-10-12: 4,579 active2026-10-13: 4,598 active2026-10-14: 4,597 active2025-06-302026-10-14

# y-axis starts at 1.3K, 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
▼ -0.35%
-16 domains
90 days
▲ +0.44%
+20 domains
1 year
▲ +12.42%
+508 domains
# intermediate CAs
Intermediate certificate authorities operating under SwissSign, with the number of active domains each currently secures.
intermediatecountrydomains
SwissSign RSA TLS OV ICA 2022 - 1Switzerland2,463
SwissSign RSA TLS DV ICA 2022 - 1Switzerland1,375
SwissSign RSA TLS EV ICA 2022 - 1Switzerland705
SwissSign RSA TLS DV ICA 2026 - 1Switzerland42
SwissSign RSA TLS OV ICA 2026 - 1Switzerland11
SwissSign RSA TLS EV ICA 2026 - 1Switzerland1
SwissSign RSA TLS DV ICA 2021 - 1Switzerland0
SwissSign RSA TLS EV ICA 2021 - 1Switzerland0
SwissSign RSA TLS OV ICA 2021 - 1Switzerland0
# faq
? How many domains does SwissSign secure?
SwissSign is the certificate authority for 4,597 active domains as of October 14, 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 12.42% over the last year (+508 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 2,463 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.