Question and response
Question
dig spfcontrol.mailgrid.net.br. TXT
Answer
spfcontrol.mailgrid.net.br. 300 TXT "v=spf1 ip4:35.169.184.69 ip4:44.198.89.232 ip4:51.222.110.3 ip4:54.39.143.39 ip4:18.229.34.136 ip4:54.94.206.174 ip4:18.228.209.165 ip4:66.70.255.58 ip4:18.230.12.69 ip4:66.70.164.240 ip4:66.70.164.241 ip4:142.44.199.14 include:spf11.mailgrid.net.br -all"
Authority
mailgrid.net.br. 172800 NS ns-1289.awsdns-33.org.
mailgrid.net.br. 172800 NS ns-1608.awsdns-09.co.uk.
mailgrid.net.br. 172800 NS ns-437.awsdns-54.com.
mailgrid.net.br. 172800 NS ns-945.awsdns-54.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0