~/dnsniffer/issuers/universitaet-augsburg·rank #30
$ dnsniffer count --issuer universitaet-augsburg --active
▸ How many domains does Universitaet Augsburg secure?
18,062
active domains whose current TLS certificate was issued by Universitaet Augsburg, as of — 0.01% of all attributed domains.
# rank #30 of all CAs# all records held: 18,084# subdomains: 0# intermediates: 1# Germany
~/issuers/universitaet-augsburg/history·active domains
18,062
domains secured by Universitaet Augsburg on 2026-08-31 · ▲ +13,232 (+273.95%) since 2025-06-30
# y-axis starts at 3K, 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
▼ -0.01%
-1 domains
90 days
▲ +0.77%
+138 domains
1 year
▲ +7.97%
+1,333 domains
# intermediate CAs
| intermediate | country | domains |
|---|---|---|
| GEANT TLS RSA 1 | Germany | 18,062 |
# faq
- ? How many domains does Universitaet Augsburg secure?
- Universitaet Augsburg is the certificate authority for 18,062 active domains as of August 31, 2026 — 0.01% of every domain DNSniffer can attribute to an issuer.
- ? Is Universitaet Augsburg gaining or losing market share?
- The number of domains secured by Universitaet Augsburg has grown by 7.97% over the last year (+1,333 domains).
- ? Which intermediate CAs does Universitaet Augsburg sign from?
- We have seen 1 intermediate under Universitaet Augsburg, the busiest being “GEANT TLS RSA 1” with 18,062 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.