Dns

What are root name servers and how many are there?

Root name servers are the DNS servers at the very top of the Domain Name System. They don't know the IP address of any website, but they know where t

The difference between recursive and iterative DNS queries is who does the work of finding the answer. In a recursive query, the client asks a DN

A DNS resolver is the server (or piece of software) that answers DNS questions on behalf of your devices. When your laptop wants the IP address for `

When you type a URL such as https://www.example.com/pricing into your browser and press Enter, the browser first works out whether you typed an add

DNS (the Domain Name System) is the internet's naming system. It translates human-friendly names such as example.com into the numeric IP addresses,

The difference between an A record and a CNAME record is what they point to. An A record points a hostname directly at an IPv4 address, such