Question and response
Question
dig mail.fxo.com.br. MX
Answer
mail.fxo.com.br. 3600 MX 10 cluster01.porcupine-mail.com.
Authority
fxo.com.br. 172800 NS ns-1312.awsdns-36.org.
fxo.com.br. 172800 NS ns-1680.awsdns-18.co.uk.
fxo.com.br. 172800 NS ns-416.awsdns-52.com.
fxo.com.br. 172800 NS ns-550.awsdns-04.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0