40 Resolve Domain Name To Ip Address Linux New

The a record specifies the ip address ipv4 of a host.
Resolve domain name to ip address linux. In this article we will explain how to resolve a hostname domain name to an ipv4 and ipv6 address in a bash script. Dns domain name system or service is a hierarchical decentralized naming system service that translates domain names into ip addresses on the internet or a private network and a server that provides such a service is called a dns server. Actually on the backed the dns server takes the hostname and resolves it to an ip address which the browser or application then connects to.
Domain names are a human friendly version of ip addresses. With dns you no longer have to remember ip addresses. The aaa record specifies the ip address ipv6 of a host.
Whenever dns server get a query to resolve domain name it will refer the a record to answer the ip address. However we will teach you how to use these commands effectively to identify multiple domain ip address information from the linux terminal. This article explains how to setup a local dns using the hosts file etc hosts in linux systems for local domain resolution or testing the website.
The resolve process is a lookup between a name and an ip. The socket api in linux provides functions like gethostbyname and getaddrinfo that can be used to perform the dns requests and get the ip address. This can be done using the following 5 commands.
Dig is a flexible cli tool for interrogating dns name servers. The first method uses the traditional gethostbyname function to retrieve information about a hostname domain name. Instead you have to just have to remember the domain name.