~/dnsniffer/issuers/greek-universities-network-gunet·rank #190
$ dnsniffer count --issuer greek-universities-network-gunet --active
▸ How many domains does Greek Universities Network (GUnet) secure?
7
active domains whose current TLS certificate was issued by Greek Universities Network (GUnet), as of — 0.00% of all attributed domains.
# rank #190 of all CAs# all records held: 7# subdomains: 2# intermediates: 2# Greece
~/issuers/greek-universities-network-gunet/history·active domains
7
domains secured by Greek Universities Network (GUnet) on 2026-08-31 · ▲ +3 (+75.00%) since 2025-06-30
# y-axis starts at 3.64, 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
▲ +0.00%
+0 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| HARICA Qualified Web Authentication Certificates RSA | Greece | 7 |
| HARICA QWAC RSA SubCA R1 | Greece | 0 |
# faq
- ? How many domains does Greek Universities Network (GUnet) secure?
- Greek Universities Network (GUnet) is the certificate authority for 7 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Greek Universities Network (GUnet) gaining or losing market share?
- The number of domains secured by Greek Universities Network (GUnet) has grown by 0.00% over the last year (+0 domains).
- ? Which intermediate CAs does Greek Universities Network (GUnet) sign from?
- We have seen 2 intermediates under Greek Universities Network (GUnet), the busiest being “HARICA Qualified Web Authentication Certificates RSA” with 7 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.