believe that a lot of people who apply for the domain name, often have such questions: why registered domain name, the purchase of space, the site is still not open it?
domain name registration, only that you have the right to use the domain name, if not for the domain name, the domain name will not play a real role, after analysis of domain name can be used as electronic mailbox suffix, can also be used as a web site to access your site (such as blogs, Taobao shop and so on), essential link therefore put into use is "domain name domain name".
But many people on the
domain name is still deeply confused, so don’t ask how to quickly learn to do DNS? Professional beauty orange Internet domain name host for your weapon:
first, learn the four types of domain name resolution:
1) CNAME aliases: also known as host alias records that allow multiple names to be mapped to the same computer. Note: usually do not do the root domain CNAME point. Such as: cndns.com is the domain name, www.cndns.com is the two domain name, "WWW" is a sub domain name;
2) A record: is the IP record (that is, pointing to the IP address)
3) MX records: also known as e-mail records (used to do business e-mail point, the normal send and receive mail)
4) URL forwarding: jump to the target site. Such as www.cndns.net URL to www.cndns.com, when accessing the www.cndns.net jump to the point of space www.cndns.com. URL is divided into implicit and implicit, get in front of the examples, do the implied URL forwarding, IE bar access cndns.net is cndns.net, do not imply URL forwarding, visit shows the cndns.com (and the Ministry of information industry generally do not allow implicit URL, unless the relevant valid documents submitted for the record)
1 how to resolve the domain name to the virtual host space points to have two steps, the following two kinds of analytical solutions can be any one (with the domain name cndns.com as an example)
assumes that the virtual host’s IP address: 202.75.223.*,
space by the three domain name is: aaaa.w41.cndns.com
Step 1: select
CNAME alias settings, directly add "www" sub domain (which can add any sub domain name, such as BBS, SHOP etc.) to CName (alias pointing) to space free three level domain name: aaaa.w41.cndns.com. (special attention, not less at the end of the ‘.’),