Question: What Is 4th Level Domain?

Sub Domain (fourth-level) Registration Services:

For example, Government of Delhi may register a third-level domain name like and then the fourth-level sub domains may be registered for its various Departments like, tourism..

How many levels can a domain name have?

Domain names are composed of at least two levels, a top-level domain and a second-level domain. The top-level domain, also referred to as TLD, is the suffix or extension attached to Internet domain names. There are a limited number of predefined TLDs, such as .com, . net and .

What are different types of domains?

They include four sub-categories:

  • Generic (.com, . net, . org, . info), domains that can be used for general purposes.
  • Generic restricted (. pro, . biz, .
  • Sponsored (. edu, . gov, .
  • Infrastructure (. arpa) which was one of the original top-level domains used to help with the DNS infrastructure.

What do they mean by domain?

A domain name is the address where Internet users can access your website. A domain name is used for finding and identifying computers on the Internet. Computers use IP addresses, which are a series of number. However, it is difficult for humans to remember strings of numbers.

What is domain hierarchy?

Domain Names are hierarchical and each part of a domain name is referred to as either the root, top level, second level or as a sub-domain. To allow computers to properly recognize a fully qualified domain name, dots are placed between each part of the name.

Is .com a top level domain?

A top-level domain (TLD) is one of the domains at the highest level in the hierarchical Domain Name System of the Internet. The top-level domain names are installed in the root zone of the name space. For example, in the domain name, the top-level domain is com.

What is a sub level domain?

A subdomain is a domain that is part of a larger domain; the only domain that is not also a subdomain is the root domain. For example, and are subdomains of the domain, which in turn is a subdomain of the com top-level domain (TLD).

What are the 5 most common domain extensions?

Here are the 5 most common domain name extensions:

  1. .com — Commercial > Business / eCommerce.
  2. org — Organisations > Non-profits / Forums / Resources.
  3. net — Network > Internet Provider / Services / Technology.
  4. co — Colombia Country Code TLD / Company / Corporation.
  5. us — United States Country Code TLD.

What are the 6 top level domains?

IANA distinguishes the following groups of top-level domains:

  • infrastructure top-level domain (ARPA)
  • generic top-level domains (gTLD)
  • generic-restricted top-level domains (grTLD)
  • sponsored top-level domains (sTLD)
  • country code top-level domains (ccTLD)
  • test top-level domains (tTLD)

What are the different domains?

According to this system, the tree of life consists of three domains: Archaea, Bacteria, and Eukarya. The first two are all prokaryotic microorganisms, or single-celled organisms whose cells have no nucleus.

What is a domain example?

Domain names are used to identify one or more IP addresses. For example, the domain name represents about a dozen IP addresses. Domain names are used in URLs to identify particular Web pages. For example, in the URL, the domain name is

What is the purpose of domain?

Purpose. Domain names serve to identify Internet resources, such as computers, networks, and services, with a text-based label that is easier to memorize than the numerical addresses used in the Internet protocols.

What is domain in simple words?

Domain. A domain contains a group of computers that can be accessed and administered with a common set of rules. For example, a company may require all local computers to be networked within the same domain so that each computer can be seen from other computers within the domain or located from a central server.

Is Google a TLD?

Alphabet Inc. google is a brand top-level domain (TLD) used in the Domain Name System of the Internet.

What are valid top level domains?

Original top-level domains

.orgorganizationPublic Interest Registry
.intinternational organizationsInternet Assigned Numbers Authority
.edueducationEducause (via Verisign)

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Is a .us domain good?

US domains are a great way to give your website an American identity, whether it’s to foster a sense of patriotism or just let people know that you’ve got a presence in the United States. And if you want to get creative, you can also use the . US extension to form a question/statement or finish the spelling of a word.