Does somebody know about that:

If you setup the nameserver with WHM then it makes automaticlly the ns.x*********** and ns2.x***********

Now where i find the IP-Adresse which I need for registration for the Nameserver at NSI.com?

Thanks for help!!

Sandy

1) Under Server Setup, click on Edit Setup. Scroll down to Primary Nameserver and enter ns1.yourdomain.com. In the Secondary Nameserver box enter ns2.yourdomain.com (replace with your real domain name). Click Save at the bottom.

2) Under IP Functions click on Show IP Address Usage. Skip the first IP listed, and select any 2 others to use for your nameservers. These IP's can be used for websites, but cannot be shared with other nameservers you may set up later.

3) If you have not yet added an account for your domain, then under Account Functions, click on Add a New Account and create your account.

4) Under DNS Functions, click Edit a DNS Zone. Select your domain and click edit.
To the right of the SOA, enter your new primary nameserver in both text boxes. They should look like "ns1.domain.com." and then "root.ns1.domain.com.". Make sure you have the trailing (ending) dots!

Look for NS under the heading of "Record Type". There will be 2 lines with nameserver names on them (such as ns.vosn.net and ns2.vosn.net). Replace these nameservers with your new primary and secondary nameservers.

Scroll down to the first line past Add New Entries Below this Line. In the first box enter "ns1" (without the quotes), leave the "14400" and the "IN" as they are. In the next box enter the IP you will use for ns1, leave the last 2 boxes empty.

Repeat this procedure on the next line for ns2. Click on Save at the bottom.

5) Register your new nameservers with your registrar.


Source: VO FAQ

I have two answers:

1) Use the nameserver (by name) to DNS the nameserver.
2) By default, the first two IP addresses on the box become the primary and secondary ns.