sydb1smx1b-nat.anzsa.fdi.1dc.com has no NS records.
NS records for this zone are defined at anzsa.fdi.1dc.com.
NS records for this zone are defined at anzsa.fdi.1dc.com.
Question and response
Question
dig sydb1smx1b-nat.anzsa.fdi.1dc.com. NS
Answer
The response has no answer records.
Authority
anzsa.fdi.1dc.com. 300 SOA dns2.p07.nsone.net. domainadmin.firstdata.com. 590215774 1200 180 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0