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~/dnsniffer/issuers/nijimo-k-k·rank #109

▸ How many domains does Nijimo K.K secure?

264

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

# rank #109 of all CAs ▼ 1 in 30d# all records held: 321# subdomains: 39# intermediates: 3# Japan
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~/issuers/nijimo-k-k/history·active domains
264
domains secured by Nijimo K.K on 2026-10-15 · ▲ +244 (+1,220.00%) since 2025-06-30
0111.4222.8334.2445.62025-06-30: 20 active2025-07-31: 348 active2025-08-31: 366 active2025-09-30: 372 active2025-10-31: 372 active2025-11-30: 372 active2025-12-31: 387 active2026-01-31: 400 active2026-02-28: 400 active2026-03-31: 400 active2026-04-30: 400 active2026-05-31: 400 active2026-06-30: 400 active2026-07-31: 400 active2026-08-31: 400 active2026-09-01: 397 active2026-09-02: 395 active2026-09-03: 331 active2026-09-04: 278 active2026-09-05: 278 active2026-09-06: 278 active2026-09-07: 278 active2026-09-08: 274 active2026-09-09: 271 active2026-09-10: 270 active2026-09-11: 266 active2026-09-12: 264 active2026-09-13: 264 active2026-09-14: 262 active2026-09-15: 252 active2026-09-16: 248 active2026-09-17: 245 active2026-09-18: 244 active2026-09-19: 241 active2026-09-20: 241 active2026-09-21: 239 active2026-09-22: 239 active2026-09-23: 237 active2026-09-24: 314 active2026-09-25: 309 active2026-09-26: 307 active2026-09-27: 307 active2026-09-28: 305 active2026-09-29: 301 active2026-09-30: 299 active2026-10-01: 297 active2026-10-02: 296 active2026-10-03: 295 active2026-10-04: 293 active2026-10-05: 292 active2026-10-06: 288 active2026-10-07: 284 active2026-10-08: 283 active2026-10-09: 280 active2026-10-10: 277 active2026-10-11: 277 active2026-10-12: 276 active2026-10-13: 274 active2026-10-14: 267 active2026-10-15: 264 active2025-06-302026-10-15

# 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
▲ +4.76%
+12 domains
90 days
▼ -34.00%
-136 domains
1 year
▼ -29.03%
-108 domains
# intermediate CAs
Intermediate certificate authorities operating under Nijimo K.K, with the number of active domains each currently secures.
intermediatecountrydomains
FujiSSL SHA2 Domain Secure Site CAJapan246
FujiSSL SHA2 Extended Validation Secure Site CAJapan14
FujiSSL SHA2 Business Secure Site CAJapan4
# faq
? How many domains does Nijimo K.K secure?
Nijimo K.K is the certificate authority for 264 active domains as of October 15, 2026 - 0.00% of every domain DNSniffer can attribute to an issuer.
? Is Nijimo K.K gaining or losing market share?
The number of domains secured by Nijimo K.K has shrunk by 29.03% over the last year (-108 domains).
? Which intermediate CAs does Nijimo K.K sign from?
We have seen 3 intermediates under Nijimo K.K, the busiest being “FujiSSL SHA2 Domain Secure Site CA” with 246 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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