NS records specify the authoritative nameservers for the domain.
Important: Changing NS records may cause your site to stop working. There is generally no need to change NS records.
Entering a NS record
The first step is to delete the old NS records from the table above.
Then, enter two new nameservers records. Be sure that the nameserver hostname is followed by a period, as in this example:
Be sure to put a period after the nameserver hostname in a NS record (ns1.newnameserver.com. and not ns1.newnameserver.com ).