Question and response
Question
dig smtp.givex.com. NS
Answer
smtp.givex.com. 5 CNAME mail.givex.com.
Authority
givex.com. 3064 SOA a1-104.akam.net. hostmaster.givex.com. 2021012701 10800 1800 36000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0