What is domain name system

? What is a domain name

 A domain name is an identity string that defines the scope of administrative autonomy, authority, or control within the Internet.  Domain names are used in various networking contexts and for application-specific naming and address purposes

What is domain name system 

 A domain name is the name of your website.  A domain name is the address where Internet users can access your website.  A domain name is used to search and identify computers on the Internet.  Computers use IP addresses, which are a series of numbers.  However, it is difficult for humans to remember the string of numbers.  Because of this, domain names were developed and used to identify entities on the Internet rather than using IP addresses

 A domain name can be any combination of letters and numbers, and can be used in combination with various domain name extensions, such as .com, .net and more

 The domain name must be registered before use.  Each domain name is unique.  No two websites can have the same domain name.  If someone types in www.yourdomain.com, it will go to your website and not to someone else's website.  Professional emails from your domain name can also help you increase your credibility and build your brand

 ?How does a domain name work

 To understand how domain names actually work, let's take a look at what happens when you enter it in your browser

 When you enter a domain name in your web browser, it first sends a request to the global network of servers that make up the Domain Name System (DNS)

 These servers then look for name servers connected to the domain and forward the request to those name servers

 For example, if your website is hosted on Bluehost, the server information for its name would be as follows

 ns1.bluehost.com

 ns2.bluehost.com

 These name servers are computers managed by your hosting company.  Your hosting company will send your request to the computer where your website is stored. This computer is called a web server.  It has special software installed (Apache, Nginx are two popular web server software).  The web server now fetches the web page and pieces of information associated with it. Finally, it then sends this data back to the browser 

? What are the types of domains

 1. Top Level Domain - TLD

 Top level domains or TLDs are generic domain extensions that are listed at the highest level in the domain name system

 There are hundreds of TLDs, but the most popular .com, .org, and .net are less known than other TLDs and we do not recommend using them.  For example, for biz, .club, .info, .agency, and many more

  Country Code Top Level Domain - ccTLD

 Country code top level domain or ccTLD country specific domain name with country code extension like United Kingdom .uk which end, .de for Germany, .in for India, .pk for pakistan 

 They are used by websites that want to target the audience of a specific country

 Sponsored Top Level Domains - sTLD

 Sponsored top-level domains, or sTLDs, are a category of TLDs that have a sponsor that represents a specific community specified by the domain extension

 For example, .edu for education-related organizations, the government of the United States, .mil for the United States, and .gov for more

? What is a subdomain

 A subdomain is basically a child domain under the main domain name.  For example, videos.wpbeginner.com is a subdomain of wpbeginner.com

 Once you register a domain, you are allowed to create sub-domains for it

 Sub-domains are commonly used by websites to create child-sites under the same domain name.  For example, a business website might create a subdomain for their blog or their online store such as store.example.com or blog.example.com

 Top Domain Name Provider List-

 Bluehost

HostGator

GoDaddy

Namecheap

DreamHost

Shopify

Bluehost is a very good web hosting company.  That's why WordPress also recommends using Bluehost Hosting.  The best advantage of this is that it offers free domain along with hosting

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