The Domain Name System (DNS) is the Internet’s address book. DNS directs web traffic to your Linode and email to your inbox by mapping memorable domain names like example.com to IP addresses like 12.34.56.78 or 0123:4567:89ab:cdef:0123:4567:89ab:cdef. This guide introduces basic DNS concepts and the different types of DNS records.

How DNS Works

Before adding any DNS records, you should learn the basics of DNS. You’ll start by dissecting a domain name, and then you’ll learn about the mechanics of DNS resolution, including name servers, zone files, and individual DNS records. 继续阅读 →