Likely Safe
Strong trust evidence leads the assessment:
29.3-year domain history, public traffic rank, and business infrastructure. Mixed review signals still deserve a quick check.
This domain was registered 29 years ago through the company CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS]
and ownership information is not publicly available.
Complaint contact not found.
About three.co.uk
We reviewed three.co.uk and found a strong trust profile with some mixed public feedback. Current checks lean more legitimate than deceptive, and the current trust score is 95/100. Key signals include no major malware/phishing detections, verified business services, and business infrastructure. Public review signals are mixed across third-party sources, but the broader legitimacy and infrastructure signals remain strong. If you rely on this site for important services, review recent user feedback and current service terms before proceeding.
Figure 2.
Website screenshot for Three.co.uk.
2026-07-25 15:20:47
FAQ
Is three.co.uk safe?
Based on current analysis, three.co.uk leans generally safe with a 95/100 trust score. Key trust factors include 29.3-year domain history, public traffic rank, and business infrastructure; mixed review signals should still be checked.
What supports the trust score for three.co.uk?
Key factors include registrar information (CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS]), hosting in US, a domain age of 29.3 years, and presence in public traffic rankings. Major malware and phishing engines did not report active blacklist detections at the time of review, but reputation-related warning signals were still present. The trust score blends security detections, domain and infrastructure signals, on-page behavior patterns, and public review history when available. The overall assessment remains mixed because third-party reputation sources do not point to a fully consistent trust profile.
Three Digital Footprints
A structured view of the site's detected themes, page signals, and related online footprint elements.
Registration Form
This website implements data collection forms that may request personal information including names, email addresses, phone numbers, or other sensitive details. You should verify its legitimacy and review privacy policies before submitting personal data.
Phones
Electronics
Cookie Consent
This site implements a cookie-consent interface for managing tracking and data-collection preferences.
18+
Android App
The three.co.uk website offers a mobile application for Android devices, indicating expanded platform presence beyond web-based services.
Apple App
This website has an iOS mobile application available, indicating cross-platform accessibility for Apple device users.
Google Tag Manager
This website uses Google Tag Manager to add and update tracking tags on its website.
jQuery Library
Social Media Links
The presence of social media links on the website indicates that it references social media accounts. This signal alone does not confirm ownership or authenticity of those profiles.
Long Term SSL Certificate
The SSL certificate for this site is valid for more than 6 months, indicating a long-term commitment to security and trust.
Popular Site
This site shows elevated traffic signals relative to similar domains; this is generally positive but does not by itself prove legitimacy.
Low SmartCustomer Score
three.co.uk has a low SmartCustomer score (1.3) based on 177 reviews, indicating a low level of trust from customers.
Established Domain
This site has maintained active domain presence over time, indicating operational continuity.
Verified YouTube Channel
Ownership verification confirms that this site controls the YouTube channel Three UK (@threecouk) (114,000 subscribers, 341 videos, 38,619,414 total views, since 2006, country: GB).
Corporate Registration
The domain three.co.uk is registered through a corporate-focused registrar, CSC Corporate Domains, Inc [Tag = CSC-CORP-DOMAINS], commonly used by established organizations for managed domain protection and portfolio control.
Verified Business Services
This domain publishes TXT verification records for multiple third-party business platforms. This indicates that the domain has been connected to those services at the DNS level.
Business Infrastructure
This domain is configured for several service layers, such as email delivery, platform verification, or security tooling. This reflects a broader operational setup than a minimal single-purpose deployment.
Strong Community Presence
three.co.uk has ownership-verified social or community presence with substantial audience reach.
Domain Information
CreatedApril 14, 1997 at 9:00 PMUpdated: November 11, 2025 at 10:00 PM · Expires: April 14, 2027 at 9:00 PM
Hosting ProviderAkamai Technologies, Inc.New York City, New York, US
NetworkAS16625 - Akamai Technologies, Inc.Hosting
SSL CertificateDigiCert G2 TLS EU RSA4096 SHA384 2022 CA1TLSv1.3 · Valid for: 13 months · from September 18, 2025 at 12:00 AM · to October 19, 2026 at 11:59 PM
Name Serversudns1.cscdns.net udns2.cscdns.uk
Content Analysis
Website titleThree | Phones, Broadband & SIM Only deals
Website descriptionGet phones, tablets, Mobile Broadband and SIM Only deals on the UK’s Fastest 5G Network.
Primary Language
Profile
Three UK
· @threecouk
· 114,000 subscribers
· 20.5 years
Mentioned hosts (42)
assets.adobedtm.comapps.euw2.pure.cloudwww.dwin1.comwww.three.co.ukwww.voxi.co.ukapi-cdn.euw2.pure.cloudydn243.3gateway.netlocator.three.co.ukthree-resources.digital.medallia.euaccessories.three.co.ukinstagram.comtalkmobile.co.ukwww.vodafonethree.comrum.hlx.pagepagead2.googlesyndication.com
and 27 more
Security Analysis
Detection SignaturesThese signatures are used to generate the security fingerprint below.
Verified ServicesThis domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Adobe IDP
Adobe Identity Management.
Asv
Approved Scanning Vendor (PCI DSS) verification.
Atlassian
Software development tools (Jira, Confluence).
Dell TECHNOLOGIES
Technology solutions and services verification.
Facebook
Social media platform by Meta.
Foxit
Google Verification
Domain ownership verified by Google.
Mandrill
Transactional email service by Mailchimp.
Microsoft 365
Microsoft cloud productivity suite (Office, email, etc.).
Zoom
Video conferencing and online meetings platform.
Security FingerprintUnique identifier based on site analysis
Three.co.uk is ranked within the top 50,000 websites globally.
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Provider warnings: 0/26 No provider warnings
This section shows what trusted security sources say about this site.
A warning appears when one or more sources report malware, phishing, abuse, or other safety concerns. Each row shows the source and its verdict.
If no source reports a warning, the site is shown as clear in this section.
BitDefender
Clean
Kaspersky
Clean
ESET
Clean
Sophos
Clean
Google Safebrowsing
Clean
Fortinet
Clean
G-Data
Clean
Webroot
Clean
Dr.Web
Clean
Forcepoint ThreatSeeker
Clean
CyRadar
Clean
Lionic
Clean
Quick Heal
Clean
Phishing Database
Clean
Phishtank
Clean
OpenPhish
Clean
alphaMountain.ai
Clean
Netcraft
Clean
Sucuri SiteCheck
Clean
Criminal IP
Clean
URLhaus
Clean
Emsisoft
Clean
Spam404
Clean
Trustwave
Clean
VX Vault
Clean
Quttera
Clean
Three.co.uk blocked? Check the provider verdict report created on July 25, 2026
Are You the Owner?
If you own Three.co.uk and want to challenge the trust score, please submit a review request via portal.gridinsoft.com. There you can claim your profile and add verified company/contact details. If you cannot access the portal, email legal(at)gridinsoft.com with proof of legitimacy and contact details. We never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.
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Help protect others by sharing this page on social media! The more people who know about three.co.uk, the fewer chances they have to deceive someone else.Help others evaluate three.co.uk by sharing this page on social media!
Help protect others by sharing this page on social media! The more people who know about three.co.uk, the fewer chances they have to deceive someone else. Help others evaluate three.co.uk by sharing this page on social media!