~/dnsniffer/issuers/hellenic-academic-and-research-institutions·rank #184
$ dnsniffer count --issuer hellenic-academic-and-research-institutions --active
▸ How many domains does Hellenic Academic and Research Institutions secure?
11
active domains whose current TLS certificate was issued by Hellenic Academic and Research Institutions, as of — 0.00% of all attributed domains.
# rank #184 of all CAs# all records held: 13# subdomains: 0# intermediates: 1
~/issuers/hellenic-academic-and-research-institutions/history·active domains
11
domains secured by Hellenic Academic and Research Institutions on 2026-08-31 · ▲ +10 (+1000.00%) 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
▲ +0.00%
+0 domains
90 days
▲ +0.00%
+0 domains
1 year
▲ +10.00%
+1 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| GEANT TLS ECC 1 | — | 11 |
# faq
- ? How many domains does Hellenic Academic and Research Institutions secure?
- Hellenic Academic and Research Institutions is the certificate authority for 11 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Hellenic Academic and Research Institutions gaining or losing market share?
- The number of domains secured by Hellenic Academic and Research Institutions has grown by 10.00% over the last year (+1 domains).
- ? Which intermediate CAs does Hellenic Academic and Research Institutions sign from?
- We have seen 1 intermediate under Hellenic Academic and Research Institutions, the busiest being “GEANT TLS ECC 1” with 11 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.