Question and response
Question
dig m.oi.com.br. NS
Answer
m.oi.com.br. 5 CNAME m.oi.net.br.
Authority
oi.net.br. 152 SOA venus.telemar.com.br. root.oi.net.br. 2008073438 300 600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0