mail1183.mkt2336.com has no NS records.
NS records for this zone are defined at mkt2336.com.
NS records for this zone are defined at mkt2336.com.
Question and response
Question
dig mail1183.mkt2336.com. NS
Answer
The response has no answer records.
Authority
mkt2336.com. 900 SOA ns1.acoustic-adm.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0