互联网催生了各种网站。这些网站都链接到各种域名。域名是了解站点权限所必需的。
1. .com 域名：
.com域是顶级域 (TLD)，它已经变得非常流行。它被引入以供商业实体使用，但现在它也被非商业、基于网络和各种组织和个人使用。 .com一词源自于“商业”一词。
示例：www.google.com、www.bbn.com、www.think.com、www.mcc.com、www.dec.com、www.northrop.com、www.xerox.com。
谷歌有一个.com域—— 
2. .net 域名：
.net一词源自网络一词。该域名专门用于展示网络站点、基于托管的服务提供商或基于数据库的服务提供商以及一些此类相关企业的权威。
示例：www.behance.net、www.破网，www。 nsf.net, www. nyser.net, www. uu.net, www.sesqui.net, www.先生.net，www.oar.net。
Nordu.net 是第一个在 .net 下注册的域名 –
3. .org 域名：
.org一词表明域的权威是一个非营利组织。它被引入以供不一定适合特定领域类别的各种组织使用。公共利益注册机构 (PIR) 是 .org 域的注册机构。但是，由于没有严格的法律规定，任何人都可以使用任何可用的域名。
GeeksforGeeks 拥有 .org 域名 –
.com、.net 和 .org 域之间的区别：
| S.No. | .com | .net | .org | ||||
|---|---|---|---|---|---|---|---|
| 1. | It is used by for-profit and commercial entities. | It is used by networking companies or companies that provide the database or hosting services. | It is used by Non-profit organisations. | ||||
| 2. | .com is more popular than all other domain names. | It is less popular than the .com domain. | It is less popular than the .com domain. | ||||
| 3. | Verisign is the official provider and registry for the .com domain. | Verisign is the official provider and registry for the .net domain. | Public Interest Registry (PIR) is the official provider and registry for the .org domain. | ||||
| 4. | It is costlier due to its popularity and Verisign being for-pofit. | It is cheaper due to .net being less popular than .com. | It is cheaper due to the PIR registry being non-profitable. | 5. | Examples : www.google.com, www.bbn.com, www.think.com, www.mcc.com, www.dec.com, www.northrop.com, www.xerox.com. | Examples : www.behance.net, www. broken.net, www. nsf.net, www. nyser.net, www. uu.net, www.sesqui.net, www. mr.net, www.oar.net. | Examples : www.geeksforgeeks.org, www.mitre.org, www.src.org, www.super.org, www.aero.org, www.mcnc.org, www.mn.org, www.rti.org. |
| 6. | It was introduced for catering to commercial entities. | It was introduced for catering to networking organizations. | It was introduced for catering to miscellaneous organisations (that did not fit in other categories). | ||||
| 7. | .com is derived from the word commercial. | .net is derived from the word networking. | .org is derived from the word organisation. | ||||
| 8. | www.verisign.com is its registry website. | www.verisign.com is its registry website. | www.pir.com is its registry website. | ||||
| 9. | www.symbolics.com was the first site to be named under .com domain. | www.nordu.net was the first site to be named under .net domain. | www.mitre.org was the first site to be named under .org domain. |