Slynumber.com (Domain) Investigation Report
Generated on Feb 26, 2026
Why we think so?
slynumber.com offers a telecommunications service featuring a second U.S. phone number through the SLYNUMBER app. The domain ranks #264,723 globally with about 143,000 monthly visits, primarily from the United States. Technically, the site uses trusted infrastructures like Cloudflare CDN and payment services including PayPal and Stripe, with valid SSL and a stable registration since September 2021. User reviews are mixed: the App Store shows strong ratings with 4.6/5 from over 52,000 users, but Google Play includes frequent complaints about technical glitches, call drops, and poor customer support. There's no evidence of scam or blacklist presence, but customers report reliability concerns and unresponsive support. No lawsuits related to slynumber.com were found.
Risk Insights
Strong Technical Foundation
- Valid SSL certificate by Sectigo.
- Established domain since 2021 registered via Register.com.
- Secure payment methods including PayPal and Stripe.
Reliability and Support Concerns
- Frequent user reports of dropped calls and glitches.
- Customer support often unresponsive or inadequate.
- Mixed user satisfaction across platforms.
Category Scores
Red Flags & Warnings
- Numerous user complaints about service reliability and customer support responsiveness.
Detailed Checks & Insights
0-100 Scale
Domain Tech and Infrastructure
Score: 90
Domain Tech and Infrastructure
"Cloudflare CDN, PayPal, Stripe, valid SSL, and longstanding domain registration indicate technical legitimacy."
Reason: The site uses reliable technologies and payment systems with valid SSL and a stable registrar.
Traffic Volume and Geographic Source
Score: 85
Traffic Volume and Geographic Source
"Approximately 143,000 monthly visits with 18% from the US supports a real user base."
Reason: Traffic is significant and mostly from the US, matching the app's target audience.
Contact Information and Social Presence
Score: 80
Contact Information and Social Presence
"Support email and social links including Facebook, Instagram, TikTok, and YouTube are present."
Reason: Website provides official contact email and active social media accounts, which support authenticity.
Domain Age and Registrar Reputation
Score: 90
Domain Age and Registrar Reputation
"Register.com used as registrar, domain creation in 2021 with no early expiration or transfers."
Reason: Domain registered since 2021 with a reputable registrar and standard DNS setup.
Trademark and Brand Impersonation
Score: 100
Trademark and Brand Impersonation
"USPTO trademark search returned no active trademarks."
Reason: No trademark conflicts or impersonation found for 'slynumber'.
Blacklist and Scam Reports
Score: 85
Blacklist and Scam Reports
"Domain not found on crypto scam or phishing blacklists and no Google Safe Browsing risk detected."
Reason: No blacklist or scam flags detected from crypto or Google Safe Browsing sources.
Online Reputation and User Feedback
Score: 40
Online Reputation and User Feedback
"Mixed feedback with frequent reports of technical problems, failed calls, and ignored support requests."
Reason: User reviews reveal numerous complaints about app reliability and customer service.
Your Next Steps
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1
Review recent user testimonials on both major app stores before using the service.
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2
Verify payment and refund policies to mitigate risks due to reported support issues.
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3
Consider alternative services with stronger reliability and customer support records if phone service is critical.
Key Evidence & Citations
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SimilarTech Technical Data for slynumber.com
⤷ Technical infrastructure and traffic data show a valid, established website with common web technologies and payment systems.
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User Reviews and Scam Reports about SLYNUMBER
⤷ Mixed app store reviews highlight service reliability issues and customer support problems but no widespread scam evidence.
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Crypto Scam Sniffer Domain Check
⤷ No blacklisting or scam detection found for slynumber.com domain.
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