Country
Japan
11,563 domains tracked. 12.3% at DMARC enforcement (p=reject or p=quarantine), backed by 1,428 enforced domains.
Domains tracked
11K+
11,563
DMARC enforcement
12.3%
p=reject + p=quarantine
Avg posture score
34.9
of 100
A-grade domains
11
0 A+ · 11 A
Authentication posture
per protocolDMARC
policy enforcement: 12.4%reject
5.3%quarantine
7.1%none
42.9%missing
44.8%SPF
pass rate: 76.9%0
pass
76.9%warn
0.8%fail
22.3%not found
0.0%DKIM
pass rate: 32.8%00
pass
32.8%warn
0.0%fail
67.2%not found
0.0%MTA-STS
pass rate: 0.1%0
pass
0.1%warn
0.2%fail
99.7%not found
0.0%TLS-RPT
pass rate: 0.3%00
pass
0.3%warn
0.0%fail
99.7%not found
0.0%BIMI
pass rate: 1.6%0
pass
1.6%warn
0.1%fail
98.3%not found
0.0%Top performers
20 of 11,563 tracked| # | Domain | Score | Grade |
|---|---|---|---|
| 1 | classi.jp | 94 | A |
| 2 | iibc-global.org | 90 | A |
| 3 | sigma-photo.co.jp | 90 | A |
| 4 | fastcopy.jp | 89 | A |
| 5 | volks.co.jp | 89 | A |
| 6 | topcard.co.jp | 88 | A |
| 7 | wadax.ne.jp | 87 | A |
| 8 | octopusenergy.co.jp | 86 | A |
| 9 | rhe.jp | 86 | A |
| 10 | diamond.co.jp | 85 | A |
| 11 | nikkei-r.co.jp | 85 | A |
| 12 | ebook5.net | 84 | B |
| 13 | kinto.co.jp | 84 | B |
| 14 | sun-denshi.co.jp | 84 | B |
| 15 | ask-corp.jp | 82 | B |
| 16 | soumu.go.jp | 81 | B |
| 17 | bitbank.cc | 80 | B |
| 18 | classnk.or.jp | 80 | B |
| 19 | creema.jp | 80 | B |
| 20 | fsa.go.jp | 80 | B |
How this is measured
Each tracked domain is scanned for SPF, DKIM, DMARC, MTA-STS, TLS-RPT, and BIMI. Result statuses (pass / fail / warn / not-found) and DMARC policy values are aggregated into this page nightly. The top performers list is capped at 20. The full corpus is much larger and is not enumerated publicly.
Data provenance
- Scanner — Authex Labs public scanner (DNS, RFC-compliant)
- Refreshed — daily at 04:05 UTC
- Last seen — 8 May 2026