![]() If the DNS resolver does not find the address in the cache, it queries a DNS server.The DNS resolver looks up the IP address in its local cache.When users type the domain name into a browser, a DNS resolver (a program in the operating system) searches for the numerical IP address or. Test Your Web Applications and APIs for DNS Vulnerabilitiesĭomain name system (DNS) is a protocol that translates a domain name, such as, into an IP address such as 208.38.05.149.Configure Your DNS Against Cache Poisoning.Keep DNS Resolver Private and Protected.This is part of an extensive series of guides about Cybersecurity. ![]() Other forms of DNS attacks can enable threat actors to take down servers, steal data, lead users to fraudulent sites, and perform Distributed Denial of Service (DDoS) attacks. DNS attacks use this mechanism in order to perform malicious activities.įor example, DNS tunneling techniques enable threat actors to compromise network connectivity and gain remote access to a targeted server. ![]() It takes user-inputted domains and matches them with an IP address. ![]() What Is a Domain Name Server (DNS) Attack?ĭNS is a fundamental form of communication. ![]()
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