web-subdomain-takeover

By BitterSecurity. Updated June 1, 2026. Categories: Domain Utilities.

Subdomain takeover via dangling DNS/CNAME — GitHub Pages, Heroku, Azure, Fastly, Shopify, Netlify, Surge, Tumblr, Beanstalk, Zendesk, etc.

View repository on GitHub

SKILL.md

The description above is the indexed summary. With JavaScript enabled, this page also loads the SKILL.md text from GitHub.