Question and response
Question
dig spamtitan.chrsolutions.com. NS
Answer
spamtitan.chrsolutions.com. 5 CNAME cloud-out-c.spamtitan.com.
Authority
spamtitan.com. 900 SOA ns-94.awsdns-11.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0