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Substack.com Website Review

January 9, 2026 at 6:40 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 12 months ago
Verified Safe
Website content analyzed
Method: automated checks.
Reputation footprint:
High traffic ranking (#613)
Captured Image: Desktop View as for 2026-01-09 08:40:15

How we scored substack.com

On-page:
Registration Form, Google Tag Manager, Cloudflare Browser Insights, Facebook Integration
SSL Certificate:
Issued by WE1 on November 28, 2025. Valid for: 3 months (QUIC)
Verified Services:
Google Verification Domain ownership verified by Google. , Facebook Social media platform by Meta. , Tiktok DEVELOPERS TikTok Developers verification.
Positive signals
  • Popular Site
  • Long Term Domain
  • Established Domain
  • High Trust Score
Risk indicators
  • Low Trustpilot Score
Last checked January 9, 2026 at 6:40 AM by Gridinsoft Trust Model v2.3.3
This domain was registered 15 years ago through the company Amazon Registrar, Inc. and had the owner Identity Protection Service.
For complaint:
  1. Email: [email protected]
  2. Phone: +1.2024422253

About substack.com

We scanned substack.com and found it to be legitimate. Our analysis shows a high trust score of 80/100, indicating this website appears to be very safe to use.

Why is it rated 80/100?

Our security assessment reviewed multiple factors including domain age (16 years old - well established), registrar information (Amazon Registrar, Inc.), website popularity (ranked #613 globally), hosting location (US), website content and technology. Based on all the information gathered, we believe this website is legitimate.

Substack Digital Footprints

Registration Form

The substack.com 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.

Google Tag Manager

The substack.com website uses Google Tag Manager to add and update tracking tags on its website.

Cloudflare Browser Insights

This website is proxied through Cloudflare's CDN/network and has Cloudflare Browser Insights enabled.

Facebook Integration
Popular Site

Traffic analysis indicates substack.com receives substantial visitor volume, suggesting widespread user adoption and active utilization. High traffic levels generally correlate with legitimate operations and established user trust, though verification of traffic sources remains advisable.

Low Trustpilot Score

substack.com has a low Trustpilot score (1.4) based on 120 reviews, indicating a low level of trust from customers. It is a bad sign of legitimacy!

Long Term Domain

Domain registration extends beyond one year, demonstrating the operator's commitment to sustained operations. Extended registration periods for substack.com indicate planning for long-term presence and operational continuity.

Established Domain

The domain has maintained active status for an extended period, indicating operational stability and established web presence. This longevity for substack.com suggests legitimate business operations and sustained user engagement over time.

High Trust Score
Color Guide
  • Requires special attention: Indicates areas with potential risks or issues that need careful review.

  • Positive indicators: Highlights trusted elements or reliable features that enhance user confidence.

  • Exercise caution: Signals areas where user data is involved or points that may require additional care.

  • Neutral: Provides information without indicating risk or reliability, serving as general context only.

Verified Safe

80 / 100
January 9, 2026 at 6:40 AM

Domain Information

Created April 27, 2010 at 6:02 PM
Updated January 5, 2023 at 5:16 AM
Domain Age
15.7 years
Registrant
Identity Protection Service
Registrar Amazon Registrar, Inc.
Top Level Domain
.com
Generic TLD
Nameservers ali.ns.cloudflare.com
lee.ns.cloudflare.com

Technical Details

IP Address 104.18.37.200
Hosting Provider
AS13335 Cloudflare, Inc.
San Francisco, US
Global Rank
#613
Primary Language
DNS Records 172.64.150.56 A
104.18.37.200 A
2606:4700:440b::6812:25c8 AAAA
2606:4700:4400::ac40:9638 AAAA
mxa.mailgun.org MX
mxb.mailgun.org MX
ali.ns.cloudflare.com SOA

Content Analysis

Original website content:

Home | Substack

The app for independent voices

Mentioned hosts (24):
trkn.us www.byhand.ai connect.facebook.net cloudflareinsights.com substackcdn.com jessicareedkraus.substack.com substack.com o350427.ingest.sentry.io www.googletagmanager.com www.google-analytics.com +14 more

Security Analysis

Detection Signatures:

These signatures are used to generate the security fingerprint below.

Registration Form Google Tag Manager Cloudflare Browser Insights Facebook Integration Popular Site Low Trustpilot Score Long Term Domain Established Domain High Trust Score
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. Facebook Social media platform by Meta. Tiktok DEVELOPERS TikTok Developers verification.
SPF
v=spf1 include:_spf.google.com include:mailgun.org include:mail.zen...
Security Fingerprint:

Unique identifier based on site analysis

How popular is this website?

Popularity
613
-2
Substack.com is among the top 10,000 sites globally, drawing a high volume of traffic. Popular platforms can be attractive targets for scams or large-scale attacks, but they often employ robust security measures to detect and mitigate threats.

Gridinsoft API Get free access to monitor suspicious domains through our API.

Warning Summary

This section provides a detailed breakdown of security warnings from multiple trusted sources.

We gather verdicts from a range of security providers to assess the safety of the site. If any of these sources flag the site as potentially harmful, it will be marked with a warning. Each entry includes the source and their findings, allowing you to see the different assessments. This transparency ensures you have all the information needed to evaluate the site's risk.

If no warnings are issued, the site is considered safe based on the analysis from all checked sources. For more details, please review the individual findings below.

Trustpilot
Warned
BitDefender
Clean
CRDF
Clean
Google Safebrowsing
Clean
Phishing Database
Clean
Netcraft
Clean
Criminal IP
Clean
OpenPhish
Clean
ESET
Clean
CyRadar
Clean
Sophos
Clean

Substack.com blocked? Check the safety report created on January 9, 2026

Are You the Owner?

If you own Substack.com, we'd love to hear from you. If you'd like to challenge the trust score assigned, we're happy to take a closer look. You can write to us legal(at)gridinsoft.com. However, please be prepared to provide proof of your business's legitimacy. Introduce yourself with your real name. Please note, we never charge website owners for reviews or reconsideration requests. For more information, please review our Disclaimer.

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Your score for substack.com
/ chars min
80
points /100
The score is based on a 1-100 scale, with 100 being the most reputable.
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