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DDoS attacks

DNS Anycast Plus is the most effective way to mitigate these attacks, distributing malicious traffic between multiple servers located in different geographical locations. Because all of these servers share the same IP address, a DDoS attack targeting that address is spread across multiple points of presence, making it difficult for the attack to overwhelm a single point of service.

This not only reduces the impact of the attack, allowing other servers to continue functioning normally and serving legitimate user requests, but can also facilitate the identification and mitigation of malicious traffic, improving the resiliency and availability of the DNS service against DDoS attacks.

DNS Hijacking

In a DNS hijacking attack, the attacker takes control of DNS traffic by redirecting it to a malicious server. Although Anycast DNS alone does not prevent hijacking of DNS requests at the Internet Service Provider (ISP) level or through malware on the user's device, distributing requests across multiple servers in different locations can make it difficult allows an attacker to redirect all traffic to a malicious server without being detected.

DNS Spoofing and Cache Poisoning

These attacks involve entering false information into a DNS server's cache, redirecting users to malicious sites without them knowing. By distributing requests across multiple servers, a successful spoofing or cache poisoning attack would potentially affect only a fraction of users, limiting the impact.

In addition, DNS providers that use Anycast often implement advanced security practices, such as DNSSEC validation, which helps prevent these types of attacks by ensuring that DNS responses are authentic and have not been manipulated.