Question and response
Question
dig spf14.mailgrid.com.br. TXT
Answer
spf14.mailgrid.com.br. 300 TXT "v=spf1 ip4:15.235.105.108 ip4:192.95.19.201 ip4:192.95.19.230 ip4:192.95.19.250 ip4:149.56.44.130 ip4:167.114.150.125 ip4:149.56.38.1 ip4:192.99.229.77 ip4:51.79.33.58 ip4:142.44.129.221 ip4:144.217.103.81 ip4:51.79.10.143 ip4:142.44.144.181 -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