~/dnsniffer/issuers/one-sign-pte·rank #161
$ dnsniffer count --issuer one-sign-pte --active
▸ How many domains does One Sign Pte secure?
39
active domains whose current TLS certificate was issued by One Sign Pte, as of — 0.00% of all attributed domains.
# rank #161 of all CAs# all records held: 47# subdomains: 3# intermediates: 2# Singapore
~/issuers/one-sign-pte/history·active domains
39
domains secured by One Sign Pte on 2026-08-31 · ▲ +27 (+225.00%) since 2025-06-30
# y-axis starts at 8.76, 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
▲ +11.43%
+4 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| OneSignSSL RSA DV Secure Server CA | Singapore | 35 |
| One Sign RSA DV SSL CA 2 | Singapore | 4 |
# faq
- ? How many domains does One Sign Pte secure?
- One Sign Pte is the certificate authority for 39 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is One Sign Pte gaining or losing market share?
- The number of domains secured by One Sign Pte has grown by 11.43% over the last year (+4 domains).
- ? Which intermediate CAs does One Sign Pte sign from?
- We have seen 2 intermediates under One Sign Pte, the busiest being “OneSignSSL RSA DV Secure Server CA” with 35 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.