Bulk Domain Scanner
Need to scan a list of domains? Upload your list and get your results in just a few clicks.
Bulk Domain Scanner
Scan your subdomains to identify if any are vulnerable to takeover.
We developed our subdomain takeover vulnerability scanner to be as comprehensive as possible, with checks performed at multiple layers: analyzing the format, inspecting domain details, assessing the response of the hosting servers, and contrasting with our exclusive database of known artifacts to look for.
No credit card required. Free plan available.
Need to scan a list of domains? Upload your list and get your results in just a few clicks.
Bulk Domain Scanner
Integrate with our API and use your own API keys from various third-party services for better results.
API Keys
Find and validate subdomains directly in Google Sheets using our custom-built add-on.
Get the add-onIf you can't find the answer to your question here, visit the dedicated section in our Help Center.
Visit the Help CenterA subdomain scanner is a tool designed to find subdomains and analyse them for potential takeover vulnerabilities. Identifying these vulnerabilities is crucial to securing your domain and protecting it from unauthorised access by attackers.
Subsquat's subdomain scanner performs a comprehensive scan of subdomains, checking for misconfigurations, unclaimed hosting spaces, and other risks that could lead to a subdomain takeover.
The scanner analyzes DNS records and web content without affecting the targeted subdomains. It provides an in-depth analysis that can be utilised to secure subdomains against potential takeover.
Here is the list of checks the subdomain scanner performs:
Yes, you can scan a bulk list of domains with our bulk subdomain scanner.
With a free account, you can perform a limited number of manual scans per month. If you need more, please check the pricing for more information on our premium subscription.