dns.msctracking.com has no NS records.
NS records for this zone are defined at msctracking.com.
NS records for this zone are defined at msctracking.com.
Question and response
Question
dig dns.msctracking.com. NS
Answer
The response has no answer records.
Authority
msctracking.com. 3600 SOA dns.msctracking.com. hostmaster.msctracking.com. 1327466224 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0