auth2.america.net has no NS records.
NS records for this zone are defined at america.net.
NS records for this zone are defined at america.net.
Question and response
Question
dig auth2.america.net. NS
Answer
The response has no answer records.
Authority
america.net. 3600 SOA auth1.america.net. dns.america.net. 2026030203 3600 600 864000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0