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~/dnsniffer/issuers/nijimo·rank #43

▸ How many domains does Nijimo secure?

8,043

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

# rank #43 of all CAs ▼ 3 in 30d# all records held: 8,051# subdomains: 0# intermediates: 3# Japan
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~/issuers/nijimo/history·active domains
8,043
domains secured by Nijimo on 2026-10-14 · ▲ +3,473 (+76.00%) since 2025-06-30
4.1K5.2K6.3K7.4K8.5K2025-06-30: 4,570 active2025-07-31: 7,179 active2025-08-31: 7,180 active2025-09-30: 7,184 active2025-10-31: 7,184 active2025-11-30: 7,184 active2025-12-31: 7,441 active2026-01-31: 7,525 active2026-02-28: 7,525 active2026-03-31: 7,525 active2026-04-30: 7,717 active2026-05-31: 7,779 active2026-06-30: 7,832 active2026-07-31: 7,866 active2026-08-31: 7,867 active2026-09-01: 7,857 active2026-09-02: 7,853 active2026-09-03: 7,862 active2026-09-04: 7,880 active2026-09-05: 7,893 active2026-09-06: 7,896 active2026-09-07: 7,901 active2026-09-08: 7,917 active2026-09-09: 7,933 active2026-09-10: 7,954 active2026-09-11: 7,951 active2026-09-12: 7,957 active2026-09-13: 7,952 active2026-09-14: 7,948 active2026-09-15: 7,980 active2026-09-16: 7,972 active2026-09-17: 7,978 active2026-09-18: 8,025 active2026-09-19: 8,033 active2026-09-20: 8,024 active2026-09-21: 8,013 active2026-09-22: 8,011 active2026-09-23: 8,004 active2026-09-24: 8,015 active2026-09-25: 8,072 active2026-09-26: 8,070 active2026-09-27: 8,053 active2026-09-28: 8,065 active2026-09-29: 8,085 active2026-09-30: 8,038 active2026-10-01: 8,027 active2026-10-02: 8,032 active2026-10-03: 8,015 active2026-10-04: 8,017 active2026-10-05: 8,008 active2026-10-06: 8,029 active2026-10-07: 8,025 active2026-10-08: 8,025 active2026-10-09: 8,021 active2026-10-10: 8,036 active2026-10-11: 8,014 active2026-10-12: 8,005 active2026-10-13: 8,003 active2026-10-14: 8,043 active2025-06-302026-10-14

# y-axis starts at 4.1K, 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
▲ +1.20%
+95 domains
90 days
▲ +2.69%
+211 domains
1 year
▲ +11.96%
+859 domains
# intermediate CAs
Intermediate certificate authorities operating under Nijimo, with the number of active domains each currently secures.
intermediatecountrydomains
FujiSSL RSA Domain Validation Secure Server CA 2Japan7,752
FujiSSL RSA Organization Validation Secure Server CA 2Japan228
FujiSSL RSA Extended Validation Secure Server CA 2Japan63
# faq
? How many domains does Nijimo secure?
Nijimo is the certificate authority for 8,043 active domains as of October 14, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Nijimo gaining or losing market share?
The number of domains secured by Nijimo has grown by 11.96% over the last year (+859 domains).
? Which intermediate CAs does Nijimo sign from?
We have seen 3 intermediates under Nijimo, the busiest being “FujiSSL RSA Domain Validation Secure Server CA 2” with 7,752 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.
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