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Domain Due Diligence

Report for Robokiller.com

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

RoboKiller.com is a U.S.-based technology service focused on blocking spam and robocalls. The site attracts about 1.9 million monthly visits, ranking around #35,810 globally, with most traffic from the United States. It uses reputable technologies including Google Analytics, Amazon Hosting, and Cloudflare, demonstrating a professional infrastructure. The domain has been active since 2012 and maintains a valid SSL certificate. RoboKiller holds live U.S. trademarks for its brand tied to call-blocking software. It publishes regular consumer education reports on phone scams and robocalls to highlight current scam trends. User reviews are mixed to negative, with frequent complaints about billing issues, cancellation difficulties, app reliability, and limited customer support. No indication of scam or phishing risks appears in major blacklists. Overall, RoboKiller appears to be a legitimate company with a credible domain and trademark presence, though users should exercise caution regarding subscription management and app performance.

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

Risk Insights

🛡️

Strong Domain and Trademark Legitimacy

  • Domain active since 2012 with valid SSL and stable DNS setup.
  • Multiple current U.S. trademarks protect the RoboKiller brand.
  • Reliable hosting and analytics technologies in use.
⚠️

Mixed Consumer Feedback Signals Risk

  • Common complaints about billing and cancellation processes.
  • Reports of missed calls and app performance inconsistencies.
  • Limited access to live customer support poses issues.
✅

No Blacklist or Scam Alerts

  • Not found on major phishing or crypto scam blacklists.
  • Safe Browsing data shows no detected threats.

Contradictory Signals

While the technical and legal signals are strong, user experience issues may affect reputational trust.

Signal A: Longstanding domain and active trademarks indicate a legitimate business.

Signal B: User complaints reveal service dissatisfaction and operational challenges.

Category Scores

Red Flags & Warnings

  • Many user reports highlight refund disputes, billing confusion, and trouble canceling after trial periods.
  • App reviews mention missed legitimate calls and occasional interference with normal phone functionality.
  • Customer support is often described as automated or unhelpful, with no easy access to live agents.

🔎 Detailed Checks & Analysis

Domain Authenticity and Technical Infrastructure

Score: 90/100
Passed

"The domain's DNS, WHOIS, and SSL details confirm stability and legitimacy, supporting lower risk on technical grounds."

Reason: Domain has longstanding registration since 2012, uses valid SSL, reputable registrar, and trustworthy hosting/technologies including Amazon and Google Cloud.

Trademark Validity

Score: 85/100
Passed

"Trademark registrations support the claim that robokiller.com is an established business with intellectual property."

Reason: Multiple active U.S. trademarks registered and maintained for RoboKiller brand and related call-blocking services.

Traffic Profile and User Engagement

Score: 80/100
Passed

"The traffic patterns indicate real user interest and active usage, consistent with an operational business."

Reason: Website attracts strong traffic volume (~1.9M monthly visits) mainly from the U.S., with a high share from search and direct sources.

Blacklist and Scam Status

Score: 90/100
Passed

"Negative blacklist presence reduces suspicion of fraudulent activity or phishing."

Reason: No listings found in crypto scam blacklist, Google Safe Browsing, or other phishing databases.

User Reviews and Reputation

Score: 30/100
Failed

"Such patterns warrant caution as they can point to customer dissatisfaction and potential service quality risks."

Reason: Mixed to negative user feedback with frequent reports of billing troubles, refund issues, inability to cancel, call blocking faults, and poor customer service.

Your Next Steps

  • 1

    Review and carefully monitor subscription terms and cancellation procedures before signing up.

  • 2

    Check user reviews and update your app version regularly to minimize call blocking errors.

  • 3

    Use official support channels for billing and technical issues, but be prepared for limited live customer service.

  • 4

    Consult third-party reviews and consumer protection sites to track ongoing reliability and service quality.

  • 5

    Validate app permissions and test call blocking on a trial basis before committing to paid plans.

Evidence & Citations

🕵🏻 Keep investigating

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