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Master.dev Reputation Review

June 1, 2026 at 4:48 PM
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Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Master → Safety Check

First checked June 1, 2026 at 4:48 PM
Website content and technical signals analyzed
Method: automated checks.
Every website owner can claim their profile for free and engage with reviewers.
Trusted but Verify Current checks lean positive for this site, supported by no major malware/phishing detections and a long-term SSL certificate (7 months), though a basic verification step is still sensible.
Trust signal radar Normalized trust signals for master.dev Domain Maturity: 2654 days Domain Maturity Warning Cleanliness: 0 detections Warning Cleanliness Safety Level: 0 negative tags Safety Level Positive Signals: 5 positive signals Positive Signals Popularity: Estimated from social profiles: X Popularity Trust Zone: .dev Trust Zone Operational Signals: 1 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for master.dev. Larger shaded area indicates stronger trust signals.

How we scored master.dev

On-page mentions:
Cybersecurity, Jobs, Books, Donation, Games, Artificial Intelligence, Realestate, Streaming Platform, Electronics, Pet Supplies, Science
Tech signals:
Wordpress Platform, Android App, Apple App, Web Application, Facebook Integration, Extended Data, Strong Community Presence
Positive signals:
Context signals:
  • content related to cybersecurity tools for malware and phishing defense; AI-related content
79 /100
Trust Score
7.3 years
Domain Age
US
Location
Last checked June 1, 2026 at 4:48 PM by Gridinsoft Trust Model v2.4.7
This domain was registered 7 years ago through the company Squarespace Domains II LLC and ownership information is not publicly available. Complaint contact not found.

About master.dev

We reviewed master.dev and found mostly positive signals. Current checks lean toward a legitimate, lower-risk profile, although a few caution points still keep it short of a fully verified standing. The current trust score is 79/100. Key signals include no major malware/phishing detections, strong independent trust, and a long-term SSL certificate (7 months). Verify key details before sharing personal information or relying on the site for important actions.

Master.dev
Figure 2. Website screenshot for Master.dev. 2026-06-01 19:48:09

FAQ

Is master.dev safe?

Based on current analysis, master.dev appears to be generally safe. No major malware or phishing threats were detected, and strong independent trust and a long-term SSL certificate (7 months) support this assessment. Basic verification is still reasonable before relying on the site.

Why does master.dev look trustworthy?

Key factors include registrar information (Squarespace Domains II LLC), hosting in US, a domain age of 7.3 years, and content related to cybersecurity tools for malware and phishing defense; AI-related content. Major malware and phishing engines did not report active blacklist detections at the time of review. The trust score blends security detections, domain and infrastructure signals, and on-page behavior patterns. Taken together, these factors support a mostly positive trust assessment, although routine verification is still reasonable.

Master Digital Footprints

A structured view of the site's detected themes, page signals, and related online footprint elements.

Cybersecurity
Jobs
Deals
Books
Donation
Games
Artificial Intelligence

This site references AI-related technologies, features, or product positioning in its content.

Realestate
Streaming Platform
Electronics
Pet Supplies
Science
Wordpress Platform

Our analyzer determines that this website is using WordPress CMS. WordPress is the most popular content management system, powering over 43% of websites globally.

Android App

The master.dev 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.

Web Application

This site is configured as an installable web application (PWA-style behavior) with app-like interaction patterns.

Google Tag Manager

The master.dev website uses Google Tag Manager to add and update tracking tags on its website.

Facebook Integration
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.

Extended Data

This site includes extended structured page data about entities, offerings, or site metadata.

Long Term SSL Certificate

The SSL certificate for master.dev is valid for more than 6 months, indicating a long-term commitment to security and trust.

Established Domain

This site has maintained active domain presence over time, indicating operational continuity.

High Trust Score
Verified X Profile

Ownership verification confirms that this site controls the X profile @MasterDotDev (This site (Formerly Frontend Masters)) (133,460 followers, 45 following, 13,382 posts, listed 1,264 times, since 2012, blue badge, location: Minneapolis, Minnesota).

Strong Community Presence

master.dev has ownership-verified social or community presence with substantial audience reach.

Color Guide
  • Requires special attention Marks high-risk findings that should be reviewed first.
  • Exercise caution Highlights areas involving user data, payments, or permissions.
  • Positive indicators Shows trust signals that support the site's reliability.
  • Neutral General context that does not increase or reduce risk on its own.

Domain Information

Created February 23, 2019 at 10:00 PM Updated: February 8, 2026 at 10:00 PM · Expires: February 23, 2027 at 10:00 PM
Domain Age 7.3 years
Registrant US (United States)
Registrar Squarespace Domains II LLC
Top Level Domain .dev Generic TLD

Technical Details

IP Address 54.244.231.65
Hostname ec2-54-244-231-65.us-west-2.compute.amazonaws.com
Hosting Provider Amazon.com, Inc. Boardman, Oregon, US
Network AS16509 - Amazon.com, Inc. Hosting
SSL Certificate Amazon RSA 2048 M01 TLS 1.2 · Valid for: 7 months · from April 14, 2026 at 12:00 AM · to October 28, 2026 at 11:59 PM

Content Analysis

Website title Learn JavaScript, React, and TypeScript to Node.js, Fullstack, and Backend | Master.dev
Website description Advance your web development and software engineering skills from front-end to full-stack!
Primary Language
Profile
@MasterDotDev · 133,460 followers · 13.5 years
Mentioned hosts (22)
play.google.com cdn.master.dev x.com connect.facebook.net cdn.senja.io www.facebook.com images.g2crowd.com analytics.google.com px.api.master.dev master.dev static.frontendmasters.com pathway.master.dev stats.g.doubleclick.net apps.apple.com instagram.com and 7 more

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Cybersecurity Jobs Deals Books Donation Games Artificial Intelligence Realestate Streaming Platform Electronics Pet Supplies Science Wordpress Platform Web Application
Verified Services This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Google Verification Domain ownership verified by Google.
Security Fingerprint Unique identifier based on site analysis
princess-orange-michigan-sierra

Are You the Owner?

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Your score for master.dev
79
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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