~/dnsniffer/issuers/chunghwa-telecom-co·rank #134
$ dnsniffer count --issuer chunghwa-telecom-co --active
▸ How many domains does Chunghwa Telecom Co secure?
93
active domains whose current TLS certificate was issued by Chunghwa Telecom Co, as of — 0.00% of all attributed domains.
# rank #134 of all CAs# all records held: 98# subdomains: 0# intermediates: 1# Taiwan
~/issuers/chunghwa-telecom-co/history·active domains
93
domains secured by Chunghwa Telecom Co on 2026-08-31 · ▲ +0 (+0.00%) since 2025-07-31
# y-axis starts at 91.14, 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 |
|---|---|---|
| HiPKI OV TLS CA - G1 | Taiwan | 93 |
# faq
- ? How many domains does Chunghwa Telecom Co secure?
- Chunghwa Telecom Co is the certificate authority for 93 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
- ? Is Chunghwa Telecom Co gaining or losing market share?
- The number of domains secured by Chunghwa Telecom Co has grown by 0.00% over the last year (+0 domains).
- ? Which intermediate CAs does Chunghwa Telecom Co sign from?
- We have seen 1 intermediate under Chunghwa Telecom Co, the busiest being “HiPKI OV TLS CA - G1” with 93 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.