From the course: Learning IP Addressing

Unlock the full course today

Join today to access over 22,600 courses taught by industry experts or purchase this course individually.

Looking up IP addresses with DNS

Looking up IP addresses with DNS

From the course: Learning IP Addressing

Start my 1-month free trial

Looking up IP addresses with DNS

- [Instructor] When we're trying to reach resources on a network, for me anyway, it's easier to remember names instead of IP addresses. Fortunately, our hosts can point to a DNS server that will take the name that we send in and translate that name into a corresponding IP address. By the way, DNS stands for Domain Name System and in this example a PC is asking the DNS server for the IP address of kwtrain.com and the DNS server responds and says here is your IP address. And in DNS names, they're organized in a hierarchical fashion. For example, we have commercial domains that fall under the root domain. The commercial domains might have a dot com. We might have military domains that end in a dot mil. We might have universities that have an .edu extension and different countries might have their own domain. For example, Amazon.com that I get to in the US, in the United Kingdom, it has domain name of Amazon.co.uk…

Contents