Question and response
Question
dig mail.fxo.com.br. TXT
Answer
mail.fxo.com.br. 3600 TXT "v=spf1 ip4:177.190.199.253/32 ptr:fxo.com.br -all"
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