Doing so allows you to build your own brand while using e-commerce resources.

How to customize DNS:

Login to your domain registrar and assign 2 IPs for each NS. (see below for more detail at each registrar)
ns1.yourdomain.com - 192.126.72.253
ns2.yourdomain.com - 192.126.72.254

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INSTRUCTIONS FOR SPECIFIC REGISTRARS:
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1and1

1. Login to your account
2. Click Manage Your Domains
3. Check the domain you want to edit
4. At the top of the list, hit arrow next to DNS, then Edit DNS Settings
5. In the drop down box, hit My Name Server
6. Fill in your custom nameservers

DirectNIC

To register your own nameserver:

1. Click on “Domain Manager” and click the “Change nameserver” information icon next to the domain desired.
2. Click on the “Create Nameserver” link at the top of the page.
3. Enter your hostname and IP address for the nameserver and click Create Nameserver.

Warning, this page will create an actual nameserver for which advanced configuration and software is required at the ip address of the computer. Do not create a nameserver unless software has already been installed to run the nameserver.

To modify name server:

1. Go through the above step 1, 2, 3.
2. Click on "Modify" link to the right of the nameserver and then replace the old IP with your new IP address.
3. Click on "Modify Nameserver" button and submit the change.

The change should be propagated through the Internet within 48 hours. You need to resubmit the nameserver change for all the domains using the nameserver you modified.

IP address stands for Internet Protocol, this is the number your server or computer is assigned by the network you are on (xxx.xxx.xxx.xxx)

FQDN stands for Fully Qualified Domain Name which, essentially is the nameserver itself (ns.domainname.com)

OpenSRS

To create a nameserver based on your existing domain, please follow these steps:

1. Log into http://manage.opensrs.net with the domain name, username and password. If you don't have these you will have to contact your Reseller.
2. Choose "Name Servers" from the options at the top of the page.
3. Scroll to the bottom of the page, where it says "If you want to create of modify a name server based on domain name, click here".
4. Click there :)
5. You will see a set of boxes, one of which will accept data. The second box will not be editable, and will display your domain name. Choose a nameserver prefix and type it into the box. PLEASE NOTE: DO NOT USE WWW or MAIL AS A NAME SERVER PREFIX! ns1 or dns1 would be a good idea. The full contents of these boxes (eg. Dns1.yourdomainname.com) will be the name of the new nameserver. In the IP box, you will need to type in the IP number of your domain's name server.
6. Click on the "Create Nameserver" option.

You should see a note that says "Name server dns1.yourdomainname.com is registered. This means the registry "knows" of the existence of your name server. It will be 24 - 48 hours before your nameserver info propagates to the rest of the world.

Dotster

1. Please log into your account.
2. Click on "Domain List."
3. Click on the link of the domain you would like to register a name server for.
4. Click on the "Register Name Server" link at the bottom of the screen.
5. You are then prompted to add the first part of the name server extension. We strongly suggest that you use ns1 and ns2 as the beginning extensions. The rest of the name server appears by default as your domain name.

NOTE: Please DO NOT enter www as the beginning extension for your name server. This will cause forwarding problems in the future.

6. Enter the IP address in the text boxes directly below name of the server, EXACTLY as the ISP has given them to you.
7. Then click on the "Update" button, and your name server is registered.

*You can then register a second name server.

GoDaddy

* host.domain.tld (example: "nameserver1.godaddy.com")

If you understand what is involved and have made the necessary preparations, please follow the steps below to register your name servers.

First, log into your customer account:

* Go to the Go Daddy Account Login Page.
* Log in using your account username (which may be the same as your customer number) and password.

If you have trouble logging in, our password reset form may help you. You can find this form through the following link:
Password Reset Form

Once logged in just follow these steps:

* Select 'Manage Domains' from the 'Domain Names' menu at the top of the page.
* Click on the domain you wish to configure nameservers for.
* Click the '+' next to 'Domain Host Summary' from the menu that appears on the right.
* Click on the link named 'Click here to see details or to modify'.
* Enter the first name server with it's IP address.
* Click 'Save Changes'.

You can click 'Add New Host' to register more than one server. When complete, please allow a full 48 hours for the server names' registration. These changes to the settings on your domain take a full 48 hours to become effective across the internet because of the number of networks involved, and because these networks are controlled by several different agencies. This delay applies to all domains with any Registrar, not just Go Daddy.

Network Solutions

1. Visit our website at http://www.networksolutions.com .
2. Enter your User ID and password in the dialogue box provided beneath the "Customer Log In" header, click "Log In".
3. Click "Manage host Servers" at the bottom of the left navigation. If "Manage Host Servers" does not appear once you have logged in, cut and paste the following URL into your browser: https://www.networksolutions.com/en_US/manage-it/manage-nameservers.jhtml
4. Enter the name of the host server to be created or modified into the first dialog box provided, click "Continue".
5. Enter or verify the IP address. Click "Continue".
6. Confirm the changes to the host server. If the information is correct, click "Apply Change".
7. Your changes have been submitted. Click "Back to Account Manager Home".

It may take up to 72 hours for this change to be recognized across the Internet.

Register.com

1. Login to your domain control panel.
2. Click on the domain you wish to change.
3. Scroll all the way to the bottom, and under "Advanced Technical Setting", click on "Managed Registered Name Servers"
4. On the next screen, look for Register DNS Server.
5. Enter "ns1" for DNS Server, and the IP address (notice the domain name is pre-defined). Click the Continue button.
6. On the next screen (a confirmation screen), click Continue.
7. Repeat steps 3 - 6.
8. Now that the Nameserver IPs are registered, you can look for the section "Domain Name System Servers"
9. Enter ns1.example.com and ns2.example.com.
10. You're done.

Wild West Domains

1. Log into your account.
2. Go to the domain names page, click on the domain you want to point to these nameservers.
3. Go to the bottom of the page and click on Domain Host Information.
4. Enter the name of your nameserver and the IP address it should point to.
5. Repeat this for the second nameserver.
6. Set the Name Server Information to the new nameservers.
7. Done.