Uses the DNS protocol to resolve name server records (NS records) for the hostname. The addresses argument passed to the callback function will
contain an array of name server records available for hostname (e.g. ['ns1.example.com', 'ns2.example.com']).
Uses the DNS protocol to resolve name server records (
NSrecords) for thehostname. Theaddressesargument passed to thecallbackfunction will contain an array of name server records available forhostname(e.g.['ns1.example.com', 'ns2.example.com']).