Question and response
Question
dig www.rimobile.oi.com.br. NS
Answer
www.rimobile.oi.com.br. 5 CNAME www.mzweb.com.br.
www.mzweb.com.br. 5 CNAME mzweb.com.br.
mzweb.com.br. 5 NS ns-1722.awsdns-23.co.uk.
mzweb.com.br. 5 NS ns-552.awsdns-05.net.
mzweb.com.br. 5 NS ns-171.awsdns-21.com.
mzweb.com.br. 5 NS ns-1078.awsdns-06.org.
Authority
The response has no authority records.
Additional
ns-1722.awsdns-23.co.uk. 1 A 205.251.198.186
ns-1722.awsdns-23.co.uk. 1 AAAA 2600:9000:5306:ba00:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0