What is a record.
A (address) record is a record of IP addresses that specifies the host name (or domain name). Users can point to the site server under this domain name to their own Web server. You can also set the subdomain name of the domain name.
in popular terms a record is the server's IP, domain name binding a record is to tell DNS, when you enter the domain name when you boot to set in DNS a record of the corresponding server.
How to increase the A record
also known as IP point, the user can set a level two domain name and point to their own Web server IP address, so that through the domain name to find the server to find the corresponding Web page function.
What is an MX record.
message routing records, users can point to the mail server under the domain name to their mail servers, and then manipulate all mailbox settings themselves. All you need to do is to complete the IP address of your server online, and then all the messages under your domain can be transferred to your own mail server.
What is a CNAME record.
that is: Alias record. This record allows you to map multiple names to the same computer. A computer that is typically used to provide both the WWW and mail services. For example, there is a computer named "Host.mydomain.com" (a record). It also provides WWW and mail services to facilitate user access to services. You can set two aliases for this computer (CNAME): www and mail. The full name of these two aliases is www.mydomain.com and "mail.mydomain.com". In fact, they all point to "host.mydomain.com".