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Hackmd.io Reputation Review

October 19, 2026 at 10:02 PM
Checked by Website Reputation Checker
Table of Contents
Danger Zone
Risky Territory
Caution Advised
Trusted but Verify
Safe & Secure

Hackmd → Safety Check

First checked February 18, 2025 at 10:41 AM
Website content and technical signals analyzed
Method: automated checks.
Trusted but Verify Current checks include security-provider warnings. Review the detected warnings and supporting trust evidence before relying on the site.
Trust signal radar Normalized trust signals for hackmd.io Domain Maturity: 4201 days Domain Maturity Warning Cleanliness: 1 detections Warning Cleanliness Safety Level: 0 negative tags, 2 warning signals Safety Level Positive Signals: 6 positive signals Positive Signals Popularity: Tranco rank 11,907 Popularity Trust Zone: .io Trust Zone Operational Signals: 7 detected services Operational Signals Location Credibility: Hosting country TW Location Credibility
Figure 1. Trust signal radar for hackmd.io. Larger shaded area indicates stronger trust signals.

How we scored hackmd.io

Tech signals:
Helpdesk, React Platform, Next.js Framework
Positive signals:
Negative signals:
  • security-provider warnings
Last checked October 19, 2026 at 10:02 PM by Gridinsoft Trust Model v2.5.8
This domain was registered April 20, 2015 at 8:57 AM through the company Gandi SAS (Personal information withheld).

About hackmd.io

We reviewed hackmd.io 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 security-provider warnings, a long-term SSL certificate (13 months), and a domain age of 11.5 years. Verify key details before sharing personal information or relying on the site for important actions.

FAQ

Is hackmd.io safe?

Based on current analysis, hackmd.io appears to be generally safe. Signals such as security-provider warnings and a long-term SSL certificate (13 months) support this assessment. Basic verification is still reasonable before relying on the site.

Why does hackmd.io look trustworthy?

Key factors include registrar information (Gandi SAS), hosting in US, and presence in public traffic rankings. 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.

Hackmd Digital Footprints

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

Helpdesk

This site includes structured support channels such as help center, ticketing, chat, or service contact pages.

Registration Form

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

Cookie Consent

hackmd.io implements a cookie-consent interface for managing tracking and data-collection preferences.

React Platform

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

Next.js Framework
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 hackmd.io is valid for more than 6 months, indicating a long-term commitment to security and trust.

AI-generated Text

This site contains text patterns consistent with machine-generated or AI-assisted content production.

Popular Site

This site shows elevated traffic signals relative to similar domains; this is generally positive but does not by itself prove legitimacy.

Verified X Profile

Ownership verification confirms that hackmd.io controls the X profile @hackmdio (HackMD) (3,701 followers, 3 following, 3,445 posts, listed 0 times, since 2015, no account badge).

Established Domain

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

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

The domain hackmd.io 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.

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.

MalwareURL
Phishing

External provider results for Hackmd.io, last checked October 20, 2026. — VirusTotal

Domain Information

Created April 20, 2015 at 8:57 AM Updated: August 12, 2026 at 9:24 AM · Expires: April 20, 2027 at 8:57 AM
Domain Age 11.5 years
Registrant Personal information withheld Protected by Gridinsoft
Registration country Taiwan
Registrar Gandi SAS IANA ID: 81
Abuse Email [email protected]
Domain Status Client Transfer Prohibited DNSSEC: SIGNEDDELEGATION
Top Level Domain .io Generic TLD

Technical Details

IP Address 75.2.77.152
Hostname a865a9e11bc2c0d65.awsglobalaccelerator.com
Hosting Provider Amazon.com, Inc. Seattle, Washington, US · Hosting Provider · Anycast
Network AS16509 - Amazon.com, Inc. Hosting
SSL Certificate Amazon RSA 2048 M04 TLSv1.2 · Valid for: 13 months · from January 5, 2026 at 12:00 AM · to February 2, 2027 at 11:59 PM
Name Servers ns-1444.awsdns-52.org
ns-1925.awsdns-48.co.uk
ns-221.awsdns-27.com
ns-845.awsdns-41.net

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 HackMD: Your Collaborative Markdown Workspace for Knowledge Sharing
Original description HackMD gives you a real-time Markdown editor for collaborative work. Working with Markdown files in HackMD is simple, straightforward, and fun.
Primary Language
Profile
@hackmdio · 3,701 followers · 11.1 years
HackMD · 1,182 members · 196 online
Mentioned hosts (10)
trust.hackmd.io uploads-public.hackmd.io discord.gg hackmd.io plausible.io x.com www.linkedin.com avatars.githubusercontent.com facebook.com www.aicpa.org

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Registration Form Cookie Consent React Platform Next.js Framework
Verified Services This domain has been verified by the following legitimate services and organizations, confirming authentic ownership and proper email security configuration.
1password Password manager verification. Apple Apple Inc. services verification. Bw Cursor SSO AI code editor single sign-on. Google Verification Domain ownership verified by Google. Linkedin Microsoft 365 Microsoft cloud productivity suite (Office, email, etc.).
Security Fingerprint Unique identifier based on site analysis

Are You the Owner?

If you own Hackmd.io 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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79
points /100
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