Question and response
Question
dig spf18.mailgrid.com.br. TXT
Answer
spf18.mailgrid.com.br. 300 TXT "v=spf1 ip4:158.69.109.135 ip4:51.222.39.106 ip4:54.39.143.39 ip4:54.39.85.220 ip4:167.114.150.125 ip4:144.217.150.48 ip4:54.39.118.107 ip4:51.79.10.26 ip4:158.69.4.154 ip4:51.222.134.80 ip4:51.161.76.122 ip4:15.235.36.45 -all"
Authority
mailgrid.com.br. 3600 NS ns-1325.awsdns-37.org.
mailgrid.com.br. 3600 NS ns-177.awsdns-22.com.
mailgrid.com.br. 3600 NS ns-1838.awsdns-37.co.uk.
mailgrid.com.br. 3600 NS ns-889.awsdns-47.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0