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Domain Due Diligence

Report for Offerup.com

Report Date
December 8, 2025
Recommendation
Caution
Overall Summary
Suspicious
  Why we think so? 

OfferUp is a large U.S.-based e-commerce platform connecting local buyers and sellers for goods like cars, electronics, and furniture. The site ranks about #4,500 globally with roughly 9.5 million monthly visits, mostly from U.S. users. It uses established infrastructure and payment systems, with multiple official contact emails listed. Several trademarks for OFFERUP are registered by a company in Bellevue, WA. News mentions show OfferUp's active market presence. However, online reviews highlight frequent customer support issues and scam reports involve fraudulent listings and payment schemes. Despite this, the domain shows no technical or security red flags in blacklist or safe browsing checks.

Confidence Score Our overall confidence rating for this entity based on public signals, activity, and risk checks.
83%

Risk Insights

✅

Legitimate Brand with Registered Trademarks

  • OFFERUP trademarks are live and assigned to a Bellevue-based company.
  • Legal filings confirm active brand protection.
  • Supports domain's identity claim.
🌐

High Traffic with Solid Technology Stack

  • ~9.5M monthly global visits, mostly from the US.
  • Uses major infrastructure like CloudFlare and AWS.
  • Integrated with popular payment gateways.
⚠️

User Reports Show Significant Risks

  • Common scams include fake listings and payment fraud.
  • Customer support often reported as poor or unresponsive.
  • Account deactivations without clear reasons.

Contradictory Signals

While the platform is established and secure technically, user experience and trust issues are significant and reduce overall reliability.

Signal A: Strong brand and technical infrastructure

Signal B: Frequent user complaints and scam reports

Category Scores

Red Flags & Warnings

  • Widespread user reports of scams involving fake listings, payment fraud, and account issues.
  • Poor customer service and unresolved complaints reduce user trust significantly.

🔎 Detailed Checks & Analysis

Trademark and Legal Identity Validation

Score: 85/100
Passed

"Trademarks are consistently registered with a legal entity in Bellevue, WA, strengthening brand authenticity."

Reason: The domain's trademarks are properly registered and active under a known company.

Domain Traffic and Technology Signals

Score: 90/100
Passed

"OfferUp receives around 9.5 million monthly visits, mostly from U.S. users, using industry-standard tech and payment platforms."

Reason: High traffic volume with credible technologies and payment integrations are present.

Security and Technical Safety Checks

Score: 90/100
Passed

"Domain passes crypto scam and Google Safe Browsing checks without alerts."

Reason: No blacklists or browser safety warnings detected.

Business Reputation and User Feedback

Score: 35/100
Failed

"Reviews point to slow or ineffective support and repeated scam incidents affecting users."

Reason: Serious complaints around customer service, account management, billing, and scams reduce trust.

Presence in News and Public Awareness

Score: 75/100
Passed

"Recent PR and news articles discuss OfferUp's market activity alongside consumer safety concerns."

Reason: News coverage confirms active market presence but also highlights scam-related issues.

Contact and Ownership Transparency

Score: 85/100
Passed

"The domain shows standard WHOIS data, SSL certificate, and official channels consistent with legitimate business."

Reason: Multiple verified contact emails and social media links present.

Your Next Steps

  • 1

    Use caution when buying or selling on OfferUp; verify seller ratings and transaction history.

  • 2

    Prefer local, in-person transactions or use OfferUp's official payment and shipping services.

  • 3

    Report suspicious users or listings directly through OfferUp's reporting tools.

  • 4

    Avoid off-platform payments like wire transfers, gift cards, or external apps.

  • 5

    Keep documentation of all transactions in case resolution is needed.

Evidence & Citations

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