The DNS that it provides hostingneo.com are:
ns4.octimeterhost.com
ns5.octimeterhost.com
To change them, it must go to his domain provider, in the section of administering servants' names, and changing the existing ones into the same as hostingneo.com
If the domain was or it is registered in hostingneo.com, it will not be necessary to do the change, since, on having bought the domain, these formed dns come.
[...] Remember to aim at the domain to the DNS of hostingneo.com [...]