Question and response
Question
dig mail1.customers.bmc.com. NS
Answer
mail1.customers.bmc.com. 5 CNAME gw10.walkerinfo.com.
Authority
walkerinfo.com. 900 SOA ns-869.awsdns-44.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0