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Domain footprint: yahoo.co.jp
Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.
Web:
124.83.190.124 → Yahoo Japan ·
124.83.190.252 → Yahoo Japan ·
124.83.187.124 → Yahoo Japan ·
118.151.252.124 → Yahoo Holdings Inc.
Mail:
mx1.mail.yahoo.co.jp → Yahoo Holdings Inc. ·
mx2.mail.yahoo.co.jp → Yahoo Holdings Inc. ·
mx3.mail.yahoo.co.jp → Yahoo Japan ·
mx5.mail.yahoo.co.jp → Yahoo Holdings Inc.
SPF sends via:
spf.yahoo.co.jp
Separately, 6 organisations whose name resembles “yahoo.co.jp” — these may be unrelated to the domain above.