Question and response
Question
dig servlogin.oi.com.br. NS
Answer
servlogin.oi.com.br. 5 CNAME ns1.oi.com.br.
Authority
oi.com.br. 294 SOA ns01.oi.net.br. hostmaster.oi.com.br. 414275585 600 1800 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0