Whonow DNS Server
A malicious DNS server for executing DNS rebinding attacks dynamically via domain name requests.
What is Whonow DNS Server?
Whonow is a malicious DNS server that enables DNS rebinding attacks by allowing users to specify dynamic DNS response rules through domain name requests. It solves the problem of setting up custom DNS servers for security testing by providing a public instance and a simple syntax to control IP address responses over time. This makes it easier to demonstrate and exploit browser same-origin policy vulnerabilities.
Security researchers, penetration testers, and educators who need to test or demonstrate DNS rebinding attacks and same-origin policy weaknesses in web browsers.
Developers choose Whonow for its unique ability to define DNS rebinding rules on-the-fly via domain names, eliminating the need to deploy custom DNS infrastructure. Its public server and straightforward syntax lower the barrier to entry for security testing and educational demonstrations.
Overview
A "malicious" DNS server for executing DNS Rebinding attacks on the fly (public instance running on rebind.network:53)
Use Cases
Best For
- Testing browser same-origin policy vulnerabilities via DNS rebinding
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