When we talk about DNS servers, it is likely that the first ones that come to mind are public DNS servers.
however, there are also private DNS servers, which we can hire for a certain amount of money.
These types of providers have different rates and plans, depending on the needs of the users.
Why does the DNS need privacy?
We have already advanced it in the previous point; It is common for the DNS servers that come preconfigured in the routers.
provided by our Internet provider to be in the public domain (if you do a little search on the Internet for public DNS or DNS from any telephone company.