Question and response
Question
dig smtpin01.nuoz.com. NS
Answer
smtpin01.nuoz.com. 5 CNAME smtpin01.netos.com.
Authority
netos.com. 6353 SOA ns-1.nuoz.net. postmaster.nwnexus.com. 2024052901 7200 3600 864000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0