Difference between Addon Domain, Sub Domain and Parked Domain

You might have heard of Addon Domain, Sub Domain and Parked Domain while you approached your web host for hosting your website. These domains are very important and they should be know by a webmaster.


Addon Domain
An add-on domain is just like having a separate web site. The add-on domain will be hosted or pointed to a folder in your public_html folder of your main-domain. The Add-on domain should be already registered and the nameservers for the add-on domain should be pointing the same nameserves as your main-domain.com.[ consider your addon domain name as addondomain.com ]There are 3 ways of accessing an addon domain: 1. addondomain.com2. main-domain.com/addondomain3. addondomain.main-domain.comAccessing the addondomain.com will display that very domain name in the address bar of their browser, so its similar to a separate web site. An add-on domain use the space and bandwidth available to the main domain. An add-on domain will have its own CGI and FTP access, its own email accounts and web stats.
Sub Domain
A sub domain utilises the existing main domain name. It does not have its own domain name. A sub domain points to a folder in your public_html directory of your main-domain. Consider you main domain " main-domain.com" and you have a folder "shop" under your public_html directory. You can create a sub domain "shop.main-domain.com ". You can directly reach the shop page by accessing "shop.main-domain.com". You might have seen "mail.yahoo.com", " mail.google.com". These are sub domains for yahoo.com and google.com. Check out our sub domain for Techcuriosity forum " forum.techcuriosity.com".


Parked Domain
A parked domain is one which simply points to an existing domain. It is an other domain which is parked on to the main domain. Consider a domain " parked.com" which is parked on the "main-domain.com". If we access parked.com it will be directed to the main-domain.com and you will get the same page as you see while accessing main-domain.com. The parked domain should also point to the same nameservers as the main-domain.com. The park domain name should be registered.



Addon domain是一个除了主domain之外的新的Domain，它会在你的主网站上建立一个分目录，但显示为不同的网站。Addon Domain的网站共享主domain的空间和带宽，但它不会有自己的cPanel。
Addon domain的好处。1. 在一个虚拟主帐户上建立多个网站。最主要的好处就是：省钱。2. 附加的Addon domain同主Domain资源共享(磁盘空间，带宽)3. 附加的Addon domain有自己的FTP帐号，网站统计，cgib-bin等。
如何创建Addon domain?1. 在域名注册商注册你的新的域名。2. 把域名的Name Server指向您的虚拟主机服务商的Name Server。以Lunarpages为例，就是ns1.lunarpages.com或ns2.lunarpaegs.com3. 登录到您空间的控制台，以cPanel为例，点击添加Addon domain。4. 填写三处信息:
新域名: 你要增加的域名，不用写 www。Username/directory/subdomain名: 这个是一个名字用作三处，既是新域名的ftp帐户名，又是主域名目录下的子目录名，还是主域名的子域名。密码: 你的密码
5. 按“加入”的按钮. 要等数分钟为系统就会设置了附加的域名。6. 一旦完成，你的域名就准备好了。你会看到在public_html目录下看到您的新子目录，上传图象和任何其他文件吧。7. 测试您的新域名。
在cPanel里你还可以给新的域名添加Email地址，如admin@hothosting.info。
Addon domain会影响用户访问和搜索引擎吗？
不会。Addon domain象主域名一样的工作。如果你只透露的你的addmon domain的话(上例中的第一个url)，没有人会看出Addon domain的网站和你的主域名网站有任何的联系的。当然，这两个网站的IP是相同的，如果互相做链接的话，可能会对搜索引擎有些负面的影响。说远了。
最后，哪些虚拟主机服务商支持addon domain?
Addon domain的确不错，特别是针对有多个网站的站长。国外虚拟主机排名网站上的十大服务商均支持addon domain，但是收费方案不同：有的是免费若干或无限个，有的是每个addon域名一次性收费，有的是按月收。
愿你找到合适的国外空间并充分享受addon domain的便利。

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