{"id":18500,"date":"2020-11-18T14:32:33","date_gmt":"2020-11-18T06:32:33","guid":{"rendered":"https:\/\/web.mwwsb.com.my\/pjci\/?post_type=kb&#038;p=18500"},"modified":"2022-09-08T20:10:20","modified_gmt":"2022-09-08T12:10:20","slug":"what-is-a-domain-and-a-dns","status":"publish","type":"kb","link":"https:\/\/www.casbay.com\/guide\/kb\/what-is-a-domain-and-a-dns","title":{"rendered":"What is a domain and a DNS?"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"18500\" class=\"elementor elementor-18500\" data-elementor-post-type=\"kb\">\n\t\t\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8f14f4e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8f14f4e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-17b51ef\" data-id=\"17b51ef\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13dc0d0 elementor-widget elementor-widget-text-editor\" data-id=\"13dc0d0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In this article, you will discover about what is a domain name and a DNS.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a942dd2 elementor-widget elementor-widget-text-editor\" data-id=\"a942dd2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>First and foremost,\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-30b6c3f elementor-widget elementor-widget-heading\" data-id=\"30b6c3f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is a Domain Name?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3f90c99 elementor-widget elementor-widget-text-editor\" data-id=\"3f90c99\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A <\/span><b>Domain name <\/b><span style=\"font-weight: 400;\">is an identifier string that identifiers within the internet a domain of administrative autonomy, authority, or power.\u00a0\u00a0<\/span><\/p><ul><li style=\"font-weight: 400;\"><b>Domain name <\/b><span style=\"font-weight: 400;\">is used in different networking contexts and for application-specific naming and addressing purposes.\u00a0\u00a0<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Generally, a <\/span><b>Domain name <\/b><span style=\"font-weight: 400;\">defines a network domain or describes an <\/span><b>Internet Protocol (IP) <\/b><span style=\"font-weight: 400;\">resource, such as a personal computer used to access the Internet, a website hosting server or a website itself or some other internet-based service.<\/span><\/li><li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Examples : <\/span><b>.com , .net , .edu , .org etc.\u00a0<\/b><\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c8a7286 elementor-widget elementor-widget-image\" data-id=\"c8a7286\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/casbay.com\/guide\/wp-content\/uploads\/2021\/02\/domain-name-2.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32fedf1 elementor-widget elementor-widget-heading\" data-id=\"32fedf1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What is a DNS?<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29562fb elementor-widget elementor-widget-text-editor\" data-id=\"29562fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The DNS (Domain Name System) is like a phonebook of the Internet. We all can access information online through domain names, like google.com or casbay.com. The web browsers interact through Internet Protocol (IP) addresses. DNS translates domain names to <a href=\"https:\/\/www.cloudflare.com\/en-gb\/learning\/dns\/glossary\/what-is-my-ip-address\" rel=\"noopener\">IP addresses<\/a> so that the browsers can help us to load Internet resources.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8df953f elementor-widget elementor-widget-text-editor\" data-id=\"8df953f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>Furthermore, each device that we connect to the Internet has a unique IP address. This allows other machines to use to find the device. With DNS servers, there is no need to memorize IP addresses such as 172.16.254.1 (in IPv4), or more complex newer alphanumeric IP addresses such as 2001:0db8:85a3:0000:0000:8a2e:0370:7334(in IPv6).<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-393e4e5 elementor-widget elementor-widget-heading\" data-id=\"393e4e5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-medium\">How does it work?<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-151536f elementor-widget elementor-widget-text-editor\" data-id=\"151536f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>The process of DNS resolution involves converting a hostname (such as www.casbay.com) into a computer-friendly IP address (such as 192.178.1.1). Each device is given a specific IP address on the Internet. This address is necessary to find the appropriate Internet device. An IP address is like a street address that we use to find a particular home. When loading a webpage, a translation will occur between what a user types into their web browser (casbay.com) and the machine-friendly address necessary to locate the casbay.com webpage.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a7b3636 elementor-widget elementor-widget-text-editor\" data-id=\"a7b3636\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>In order to understand the process of DNS resolution, it is first necessary to learn about the different hardware components a DNS query must pass between. For the web browser, the DNS lookup occurs \u201c behind the scenes\u201d. This requires no interaction from the user\u2019s computer apart from the initial request.<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-321b685 elementor-widget elementor-widget-image\" data-id=\"321b685\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" src=\"https:\/\/casbay.com\/guide\/wp-content\/uploads\/2021\/02\/DNS-4.png\" title=\"\" alt=\"\" loading=\"lazy\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-640127e elementor-widget elementor-widget-heading\" data-id=\"640127e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h3 class=\"elementor-heading-title elementor-size-medium\">The 4 DNS servers involved during the process of loading a webpage:<\/h3>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d2331d elementor-widget elementor-widget-heading\" data-id=\"5d2331d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">DNS recursor<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-805cd22 elementor-widget elementor-widget-text-editor\" data-id=\"805cd22\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"learning-list\"><li>DNS recursor is a server for receiving queries from client machines through applications. For example, web browsers. Typically the recursor is responsible to make the additional requests. It can be used to satisfy the client\u2019s DNS query.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-671bd17 elementor-widget elementor-widget-heading\" data-id=\"671bd17\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Root nameserver<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9be6181 elementor-widget elementor-widget-text-editor\" data-id=\"9be6181\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"learning-list\"><li>Root server is the first step in the process to translate (resolve) human-readable host names into IP addresses. Typically it serves as a reference to other more specific locations.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f70081f elementor-widget elementor-widget-heading\" data-id=\"f70081f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">TLD nameserver<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9edbaf9 elementor-widget elementor-widget-text-editor\" data-id=\"9edbaf9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"learning-list\"><li>top level domain server (TLD) is the next step in the search for a specific IP address, and it hosts the last portion of a hostname (In casbay.com, the TLD server is \u201ccom\u201d).<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-52b9b8a elementor-widget elementor-widget-heading\" data-id=\"52b9b8a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">Authoritative nameserver<\/h4>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1ac3b29 elementor-widget elementor-widget-text-editor\" data-id=\"1ac3b29\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"learning-list\"><li>This final nameserver helps to transalte each specific name into its definition. The authoritative nameserver is the final step in the nameserver query. If the authoritative name server has access to the record that we request, it will return the IP address for the requested hostname back to the DNS Recursor that made the initial request.<\/li><\/ul>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>In this article, you will discover about what is a domain name and a DNS. First and foremost, What is a Domain Name? A Domain name is an identifier string that identifiers within the internet a domain of administrative autonomy, authority, or power. Domain name is used in different networking contexts and for application-specific naming [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[117],"kbtag":[106],"mkb_version":[],"_links":{"self":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18500"}],"collection":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/comments?post=18500"}],"version-history":[{"count":13,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18500\/revisions"}],"predecessor-version":[{"id":36649,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kb\/18500\/revisions\/36649"}],"wp:attachment":[{"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/media?parent=18500"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kbtopic?post=18500"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/kbtag?post=18500"},{"taxonomy":"mkb_version","embeddable":true,"href":"https:\/\/www.casbay.com\/guide\/wp-json\/wp\/v2\/mkb_version?post=18500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}