How to make a single domain base nameserver on 2 or more hosting
suppose your hosting company name is timewebhosting.com
you have reseller from Deferent server 1.hostgator 2. Bluehost
you want use for ur Hostgator hoost
NS1.TIMEWEBHOSTING.COM
NS2.TIMEWEBHOSTING.COM
and
NS3.TIMEWEBHOSTING.COM
NS4.TIMEWEBHOSTING.COM
for bluehost server.
its very easy you no need any extra cost or plugin for it, now im describing step by step here….
Ist poing your Domain DNS like normal on your Primary host eg hoostgator noramlly make
NS1.TIMEWEBHOSTING.COM
NS2.TIMEWEBHOSTING.COM
for hostgator
then go again domain panel
make 2 CHNAME record with blue host ip
NS3.TIMEWEBHOSTING.COM (blue host ip)
NS4.TIMEWEBHOSTING.COM (blue host ip)
after that go you parimary/main cpanel hostgator where your main domain host
go Advance dnszon eon cpanel
make there 2 A record
like NS3.TIMEWEBHOSTING.COM
TTL 1400 and put blue host ip)
same NS2……
now you have done all succesfuy
you cn test your ns1/ns2 ping hoostggator
ns3.n4 ping Blue host ip here http://ping.eu/ping/
if you fell any problem don’t heritage to reply here.
Have a Nice Day 
Raj
CEO of TimewebHosting