DNS security is crucial for protecting the internet's DNS infrastructure from cyberattacks. Since attackers frequently target DNS, DNS security tools play a vital role in safeguarding against threats such as malware, phishing, and denial-of-service attacks.
For DNS security, there are a lot of aspects we need to think about before buying, here is some :
1- number of DNS cashing queries & resolving techniques.
2- DNS security scale & control functionality.
3- DNSSEC signing & validation.
4- application health monitoring.
5- DNS management platform & how easy it can be to the user?
It is to block unknown attacks.