The Address (A) record associates a domain name or subdomain with an IP address, which is the primary purpose of the DNS system. The @ sign identifies "this domain;" for example, A @ nnn.nnn.nnn.nnn ...
Encrypting DNS requests. Whenever a user goes to a website or any other entity over the Internet, the DNS system converts the name (Apple.com, Google.com, etc.) to the IP address of the server. With ...