In registrar dns panel, just assign 'child nameserver' (aka 'A record' for nameserver) where 'ns1.yourdom.com' to your VPS IP and 'ns2.yourdom.com' to your VPS IP. And then add 'nameserver' (aka 'NS record') with assign to 'ns1.yourdom.com' and 'ns2.yourdom.com'.
And then, in Kloxo-MR panel, create 'default' dns template. Use this 'default' dns template for create your 'yourdom.com'