Question and response
Question
dig ir.oi.com.br. NS
Answer
ir.oi.com.br. 5 CNAME sites-clients-08.mziq.com.
Authority
mziq.com. 710 SOA ns-356.awsdns-44.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0