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Hackmd.io Reputation Review

June 27, 2026 at 2:33 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: 4133 days Domain Maturity Warning Cleanliness: 1 detections Warning Cleanliness Safety Level: 0 negative tags, 1 warning signal Safety Level Positive Signals: 6 positive signals Positive Signals Popularity: Tranco rank 11,189 Popularity Trust Zone: .io Trust Zone Operational Signals: 8 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

On-page mentions:
Cryptocurrency
Tech signals:
Helpdesk
Positive signals:
Negative signals:
  • security-provider warnings
Context signals:
  • content related to cryptocurrency and digital-asset services
Last checked June 27, 2026 at 2:33 PM by Gridinsoft Trust Model v2.4.9
This domain was registered April 20, 2015 at 8:57 AM through the company Gandi SAS and ownership information is not publicly available.

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, strong independent trust, and a long-term SSL certificate (13 months). Verify key details before sharing personal information or relying on the site for important actions.

Figure 2. Website screenshot for Hackmd.io. 2026-06-27 17:33:13

FAQ

Is hackmd.io safe?

Based on current analysis, hackmd.io appears to be generally safe. Signals such as security-provider warnings and strong independent trust 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, a domain age of 11.3 years, 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.

Cryptocurrency

This website references cryptocurrency transactions or educational content related to digital assets such as Bitcoin, Ethereum, or other blockchain-based currencies.

Deals
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

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

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.

Popular Site

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

Established Domain

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

Verified LinkedIn Page

Ownership verification confirms that hackmd.io controls the LinkedIn page HackMD (2,176 followers, 0 LinkedIn employees, company size 11-50 employees, founded 2017, industry: Software Development, headquarters: Los Gatos).

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.

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.

CRDF
Malicious
BBB
Clean
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
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

External provider results for Hackmd.io, last checked June 27, 2026.

Domain Information

Created April 20, 2015 at 8:57 AM Updated: March 21, 2026 at 9:00 AM · Expires: April 20, 2027 at 8:57 AM
Domain Age 11.3 years
Registrant TW (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 99.83.179.177
Hostname a865a9e11bc2c0d65.awsglobalaccelerator.com
Hosting Provider AS16509 Amazon.com, Inc. Seattle, Washington, US
SSL Certificate Amazon RSA 2048 M04 TLS 1.2 · 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 Analysis

Website title HackMD: Your Collaborative Markdown Workspace for Knowledge Sharing
Website 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
HackMD · 2,176 followers · founded 2017 · Software Development · size 11-50 employees
HackMD · 1,182 members · 196 online
Mentioned hosts (8)
www.aicpa.org hackmd.io plausible.io discord.gg x.com www.linkedin.com trust.hackmd.io facebook.com

Security Analysis

Detection Signatures These signatures are used to generate the security fingerprint below.
Cryptocurrency Deals Registration Form Cookie Consent
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.). Zoho SPF Email authentication for Zoho services.
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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Your score for hackmd.io

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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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