Wednesday, October 27, 2021

DNSTake – A Fast Tool To Check Missing Hosted DNS Zones That Can Lead To Subdomain Takeover

A fast tool to check missing hosted DNS zones that can lead to subdomain takeover.

What is a DNS takeover?

DNS takeover vulnerabilities occur when a subdomain (subdomain.example.com) or domain has its authoritative nameserver set to a provider (e.g. AWS Route 53, Akamai, Microsoft Azure, etc.) but the hosted zone has been removed or deleted. Consequently, when making a request for DNS records the server responds with a SERVFAIL error. This allo ws an attacker to create the missing hosted z…

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