~/dnsniffer/issuers/leocert·rank #97
▸ How many domains does Leocert secure?
720
active domains whose current TLS certificate was issued by Leocert, as of - 0.00% of all attributed domains.
# rank #97 of all CAs ▼ 29 in 30d# all records held: 2,685# subdomains: 0# intermediates: 1
~/issuers/leocert/history·active domains
720
domains secured by Leocert on 2026-10-15 · ▲ +717 (+23,900.00%) since 2025-06-30
# y-axis starts at 0, 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
▼ -69.57%
-1,646 domains
90 days
▼ -74.11%
-2,061 domains
1 year
▼ -74.10%
-2,060 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| Leocert TLS Issuing RSA CA 1 | - | 720 |
# faq
- ? How many domains does Leocert secure?
- Leocert is the certificate authority for 720 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Leocert gaining or losing market share?
- The number of domains secured by Leocert has shrunk by 74.10% over the last year (-2,060 domains).
- ? Which intermediate CAs does Leocert sign from?
- We have seen 1 intermediates under Leocert, the busiest being “Leocert TLS Issuing RSA CA 1” with 720 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.