~/dnsniffer/issuers/european-organisation-for-the-safety-of-air-navigation·rank #130
$ dnsniffer count --issuer european-organisation-for-the-safety-of-air-navigation --active
▸ How many domains does European Organisation for the Safety of Air Navigation secure?
119
active domains whose current TLS certificate was issued by European Organisation for the Safety of Air Navigation, as of — 0.00% of all attributed domains.
# rank #130 of all CAs# all records held: 119# subdomains: 0# intermediates: 1# Belgium
~/issuers/european-organisation-for-the-safety-of-air-navigation/history·active domains
119
domains secured by European Organisation for the Safety of Air Navigation on 2026-08-31 · ▲ +97 (+440.91%) since 2025-06-30
# y-axis starts at 10.360000000000001, 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
▲ +0.85%
+1 domains
1 year
▲ +4.39%
+5 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| HARICA OV TLS RSA | Belgium | 119 |
# faq
- ? How many domains does European Organisation for the Safety of Air Navigation secure?
- European Organisation for the Safety of Air Navigation is the certificate authority for 119 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is European Organisation for the Safety of Air Navigation gaining or losing market share?
- The number of domains secured by European Organisation for the Safety of Air Navigation has grown by 4.39% over the last year (+5 domains).
- ? Which intermediate CAs does European Organisation for the Safety of Air Navigation sign from?
- We have seen 1 intermediate under European Organisation for the Safety of Air Navigation, the busiest being “HARICA OV TLS RSA” with 119 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.