How to secure DNS server?
Most internet applications run on the basis of DNS then it may be emails, website browsing, messengers, etc. But very few detect the presence of this extensively used service. And this is the reason why the vulnerabilities in DNS service are ignored by server administrators resulting in easy exploitation by hackers.
Usually, securing a server involves server software plus application software security, file system security, physical and network security.
Below are steps to secure your DNS server –