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Substack.com Reputation Check

November 11, 2026 at 6:24 AM
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Substack → Safety Check

First checked January 13, 2025 at 1:52 PM
Website content and technical signals analyzed
Method: automated checks.
Trusted but Verify Key details in this review: low SmartCustomer score and public traffic visibility. Review the evidence before relying on the site.
Trust signal radar Normalized trust signals for substack.com Domain Maturity: 6045 days Domain Maturity Warning Cleanliness: 1 detections Warning Cleanliness Safety Level: 2 negative tags, 1 warning signal Safety Level Positive Signals: 3 positive signals Positive Signals Popularity: Tranco rank 423 Popularity Trust Zone: .com Trust Zone Operational Signals: 3 detected services Operational Signals Location Credibility: Hosting country US Location Credibility
Figure 1. Trust signal radar for substack.com. Larger shaded area indicates stronger trust signals.

How we scored substack.com

Tech signals:
React Platform
Positive signals:
  • popular site
  • a long-term domain history (16.6 years)
  • an active SSL certificate (3 months)
Negative signals:
  • security-provider warnings
  • a malware or phishing blacklist detection (1)
  • low third-party review ratings
Review sentiment:
Unfavorable
1.5 / 5 ★★☆☆☆
Based on analysis of 185 reviews from SmartCustomer and other public sources.
Last checked November 11, 2026 at 6:24 AM by Gridinsoft Trust Model v2.6.2
This domain was registered April 27, 2010 at 6:02 PM through the company Amazon Registrar, Inc. (Personal information withheld).

About substack.com

We reviewed substack.com and found a mix of positive and cautionary signals. The site does not currently look like a confirmed scam, but the evidence is not strong enough to treat it as fully established either. The current trust score is 79/100. Key signals include low SmartCustomer score, public traffic visibility, and established domain history. We also saw reputation caution signals from third-party review sources, so commercial claims should still be checked independently. Verify key details and recent independent feedback before relying on this site for important actions.

FAQ

Is substack.com safe?

Current analysis does not clearly confirm that substack.com is safe. Important context includes low SmartCustomer score and public traffic visibility. Independent verification is still recommended before relying on it.

Why does substack.com have mixed reputation signals?

Key factors include registrar information (Amazon Registrar, Inc.), hosting in US, a domain age of 16.6 years, and presence in public traffic rankings. 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.

Substack Digital Footprints

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

Registration Form

Automated page analysis detected form or data-entry functionality on substack.com. Forms can involve user-submitted information, so verify ownership and privacy terms before entering data.

Cookie Consent

This site implements a cookie-consent interface for managing tracking and data-collection preferences.

React Platform

The substack.com website is built using React, a popular JavaScript library for creating interactive user interfaces.

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

This site has a low SmartCustomer score (1.5) based on 4 reviews, indicating a low level of trust from customers.

Long Term Domain

substack.com is registered for an extended period, which is generally a positive continuity signal.

Established Domain

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

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.

External provider warnings: 1/27

This section shows what independent external 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.

Chong Lua Dao
Malicious

External provider results for Substack.com, last checked November 11, 2026. — VirusTotal

Domain Information

Created April 27, 2010 at 6:02 PM Updated: May 16, 2026 at 4:05 PM · Expires: April 27, 2030 at 6:02 PM
Domain Age 16.6 years
Registrant Personal information withheld Protected by Gridinsoft
Registration country United States
Registrar Amazon Registrar, Inc. IANA ID: 468
Abuse Email [email protected]
Domain Status Client Transfer Prohibited DNSSEC: UNSIGNED
Top Level Domain .com Generic TLD

Technical Details

IP Address 172.64.150.56
Hosting Provider AS13335 Cloudflare, Inc. US
Network AS13335 - Cloudflare, Inc.
SSL Certificate WE1 TLSv1.3 · Valid for: 3 months · from September 19, 2026 at 1:45 PM · to December 18, 2026 at 2:44 PM
Name Servers ali.ns.cloudflare.com
lee.ns.cloudflare.com

Content from the analyzed website

Quoted for security analysis. These statements belong to the source website and are not endorsed by Gridinsoft.

Original page title Substack
Original description Substack is the app for independent voices: a free newsletter, video, and podcast hosting platform with paid subscriptions built in.
Primary Language
Mentioned hosts (12)
www.youtube.com enable-javascript.com o350427.ingest.sentry.io www.youtube-nocookie.com substackcdn.com fonts.gstatic.com manifest-oci-us-phoenix-1-vop1.edgemv.mux.com thecityedit.substack.com blog.aifutures.org stream.mux.com substack.com chunk-oci-us-phoenix-1-vop1.edgemv.mux.com

Security Analysis

Platform / service
Hosting provider domain
Detection Signatures These signatures are used to generate the security fingerprint below.
Registration Form Cookie Consent React Platform Low SmartCustomer Score
Verified Services This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
Facebook Social media platform by Meta. Google Verification Domain ownership verified by Google. Tiktok DEVELOPERS TikTok Developers verification.
Security Fingerprint Unique identifier based on site analysis

Are You the Owner?

If you own Substack.com 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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Publication Tip

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Your score for substack.com

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Matched by website fingerprint
79
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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