reply.mkt9171.com has no NS records.
NS records for this zone are defined at mkt9171.com.
NS records for this zone are defined at mkt9171.com.
Question and response
Question
dig reply.mkt9171.com. NS
Answer
The response has no answer records.
Authority
mkt9171.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