~/dnsniffer/issuers/comodo-japan·rank #87
$ dnsniffer count --issuer comodo-japan --active

How many domains does Comodo Japan secure?

959

active domains whose current TLS certificate was issued by Comodo Japan, as of 0.00% of all attributed domains.

# rank #87 of all CAs# all records held: 1,004# subdomains: 39# intermediates: 1# Japan
~/issuers/comodo-japan/history·active domains
959
domains secured by Comodo Japan on 2026-08-31
0268.52537.04805.561K2025-06-30: 0 active2025-07-31: 959 active2025-08-31: 959 active2025-09-30: 959 active2025-10-31: 959 active2025-11-30: 959 active2025-12-31: 959 active2026-01-31: 959 active2026-02-28: 959 active2026-03-31: 959 active2026-04-30: 959 active2026-05-31: 959 active2026-06-30: 959 active2026-07-31: 959 active2026-08-31: 959 active2025-06-302026-08-31

# 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
+0.00%
+0 domains
# intermediate CAs
Intermediate certificate authorities operating under Comodo Japan, with the number of active domains each currently secures.
intermediatecountrydomains
Comodo Japan RSA DV CAJapan959
# faq
? How many domains does Comodo Japan secure?
Comodo Japan is the certificate authority for 959 active domains as of August 31, 2026 — 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Comodo Japan gaining or losing market share?
The number of domains secured by Comodo Japan has grown by 0.00% over the last year (+0 domains).
? Which intermediate CAs does Comodo Japan sign from?
We have seen 1 intermediate under Comodo Japan, the busiest being “Comodo Japan RSA DV CA” with 959 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.