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Yahoo.co.jp (Domain) Investigation Report

Generated on Jul 9, 2026

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Overall Summary
Safe
  Why we think so? 

🛡️ Yahoo! JAPAN on yahoo.co.jp looks like a long-running, major Japanese web portal, not a scam site. The domain has massive traffic, a stable Japan-heavy audience, valid SSL, its own name servers and mail servers, and no Google Safe Browsing or crypto blacklist hits. That said, there are real user complaints around account locks, support, ads, and privacy practices, so the site is legitimate but not friction-free.

Confidence Score Our overall confidence rating for this entity based on public signals, activity, and risk checks.
96%

Risk Insights

✅

Strong legitimacy signals

  • Huge traffic and a Japan-heavy audience fit Yahoo! JAPAN.
  • Valid SSL, MX records, and Yahoo-branded name servers are present.
  • No Safe Browsing or crypto blacklist hits were returned.
⚠️

Real complaints, but not scam evidence

  • Users report account locks and weak support.
  • Privacy practices have drawn criticism.
  • Those issues affect trust, but they are not proof of fraud.
🛡️

Brand is widely imitated

  • Yahoo phishing and impersonation scams exist.
  • Always check the exact domain before entering credentials.
  • Treat unexpected login prompts and order messages as suspicious.

Category Scores

Red Flags & Warnings

  • User reports mention account lockouts, poor support, and privacy concerns, so the brand has operational complaints even though the domain itself looks legitimate.
  • Yahoo-related phishing and impersonation scams exist in the wild, which means the brand is commonly abused even if the official site is not malicious.

Detailed Checks & Insights

0-100 Scale

Domain age and continuity

Score: 98
Passed

"Creation date is 2019-09-27 and the DNS layout is stable, with Yahoo-branded name servers and mail exchangers."

Reason: The WHOIS footprint and infrastructure look long-lived and consistent with a mature enterprise domain.

Infrastructure legitimacy

Score: 97
Passed

"This is what you expect from a real high-traffic portal, not a disposable scam host."

Reason: The domain resolves to multiple A records, valid MX records, and a valid SSL certificate issued to Yahoo infrastructure.

Traffic scale and engagement

Score: 99
Passed

"Similarweb shows roughly 2.84B monthly visits, about 7.36 pages per visit, and a bounce rate near 33%."

Reason: Traffic levels are enormous and engagement is high, which strongly supports authenticity.

Brand and reputation footprint

Score: 94
Passed

"The domain appears in news, social profiles, and contact references tied to Yahoo! JAPAN services."

Reason: The brand has a broad, visible footprint across news, social, and support references.

Safety and blacklist status

Score: 96
Passed

"That does not guarantee perfect safety, but it is a strong positive signal at the domain level."

Reason: No Safe Browsing or crypto blacklist signals were returned for this domain.

Complaint and abuse context

Score: 72
Passed

"This is the main area where the trust picture is weaker than the traffic and infrastructure signals suggest."

Reason: There are complaints about account management and support, but they point to service friction rather than scam behavior.

Public contact consistency

Score: 90
Passed

"The evidence includes a support email reference and official social channels such as X, LinkedIn, GitHub, and Facebook."

Reason: The scraped contacts and official social links are consistent with a real operating organization.

Your Next Steps

  • 1

    Use the site normally if you intended to reach Yahoo! JAPAN, but sign in only through the exact yahoo.co.jp domain.

  • 2

    If you are handling money, PayPay, or auctions, review the service-specific terms and recovery options before linking accounts.

  • 3

    Watch for lookalike domains or email links that imitate Yahoo! JAPAN, since phishing reports target the brand even when the official domain is safe.

Key Evidence & Citations

📌 More actions for Yahoo.co.jp:

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