Hosting User Manual
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1. What is DNS?

Domain Name System - This is an Internet system that relates domain names into IP addresses. DNS can be considered something similar to a phone book. When you move from one location to another, your name stays the same, but your phone number may change. In order to point your name to the new phone number, you must contact the telephone service provider so they assign you the new phone number and update all directory information to reflect you as pointing to this new phone number. In this way, the IP address can be compared to a phone number: When someone calls http://www.example.com/, your ISP looks at the DNS server, and asks "how do I contact example.com?" The DNS server responds: "It can be found at 198.105.232.4". As the Internet understands it, this can be considered the phone number for the server, which houses the http://www.example.com web site.

The DNS records for your domain are kept on a name server in a place called a DNS zone. When you register a domain by means of the control panel, all DNS records are automatically created for you, but in some cases you may need to setup custom records to your DNS zone. An example would be when you want all email to be processed by an external mail server rather than by the built-in mail system. However, such user intervention requires knowledge of DNS configuration and clear understanding of what is to be done.

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2. How to change domain name servers?

a. Registered with Host Excellence

If your domain is registered with us, there will be domain management options available within the account control panel.

  • Click on “My Domain Registrations”
  • Click on “Settings” for the domain
  • Click on “Modify Nameservers”
  • Input the name server information in the available boxes and then click “Modify Nameservers”


b. Other registrar

You can usually change your domain name servers at the registrars' website or by contacting the registrar. Your name servers with us are sent in the initial hosting account email and can also be found in the hosting account control panel.

To locate your domain name servers:
  • From the control panel click the domain icon.
  • Select the domain from the domain list if you have more than one.
  • The primary and secondary name servers are listed on this page similar to what you see below.

    ns1.hostexcellence.com
    ns2.hostexcellence.com
To change the domain name servers:
  • Log in to your domain registrars website
  • Look for the domain or hosting settings area.
  • There may be an option such as "change DNS" or "update name servers"
  • You should see 2 or more boxes to place name server information. You will place the information you found when you located your domain name servers into these blanks.
  • It can take up from 24 to 72 hours for propagation before the site is accessible.
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3. How do I create custom DNS records?

Custom DNS records are required to manage any outside server through our name servers. This can be useful in many instances, such as when setting up an outside mail server or to map a domain to a different server.

ns1.hostexcellence.com -> 69.49.226.6
ns2.hostexcellence.com -> 69.49.227.6

a. Removing the default DNS records

Removing the default DNS A or MX records will make your site inaccessible. For this reason the only way to remove the default dns records is to turn web or mail service off. This will remove all hosting content and release your ip address.

10 mail22.hostexcellence.com

mail22.hostexcellence.com

b. Adding custom A records

An A record gives you the IP address of a domain. This allows users that visit www.example.com to go to the right IP address. It can also be used to map a domain to a different server or a sub domain to the correct IP address.

To add a new DNS A record, do the following:
  • From the control panel click the domain icon.
  • Select the domain from the domain list if you have more than one.
  • Click the edit button to the right of DNS configuration.
  • Click the add DNS A record link.



    Name: Enter the prefix to map. This will be accessible at the prefix.domain.com.

    TTL: Set how many seconds will elapse before the record is refreshed in the DNS cache (a time to live period of 86400 is recommended).

    Data: Enter the IP of the web server.
c. Adding custom MX records

Custom MX records should be added when you want to use your external mail servers to process your e-mail. To use your external servers instead of those you get by default, you need to disable mail service on the Domain Settings page. To use the external mail servers in addition to those you get by default, you need to keep mail service enabled in the control panel. The priority of the custom MX record will define whether your external servers will act as primary or secondary. For instance, if you set the priority of the custom MX record higher than 10, your external mail server will be used as secondary. If you set the priority of the custom MX record lower than 10, your external mail server will be used as primary. In the first case, your mail will be sent to your external mail server until it goes down or becomes otherwise inaccessible. Then the default mail server will take over.

10 mail22.hostexcellence.com

To add a new DNS MX record, do the following:
  • From the control panel click the domain icon.
  • Select the domain from the domain list if you have more than one.
  • Click the edit button to the right of DNS configuration.
  • Click the add DNS MX record link.



    Name: Your local domain name. If you leave the name field blank, all mail will be redirected for the base zone.

    Data: The priority the record and mail domain name (not the IP) mail will be forwarded to.

    IMPORTANT: To add an MX record for the base domain, leave the name field empty.
d. Adding custom CNAME records

CNAME records are used to map aliases with domain names.

To add a new DNS CNAME record, do the following:
  • From the control panel click the domain icon.
  • Select the domain from the domain list if you have more than one.
  • Click the edit button to the right of DNS configuration.
  • Click the add DNS CNAME record link.



    Name: The alias you give to the real host name.

    TTL: Set how many seconds will elapse before the record is refreshed in the DNS cache.

    Data: The real name of the host you create an alias to. This must be an official host name. It can't be an alias. A CNAME-record should always point to an A-record to avoid circular references.
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