Question and response
Question
dig spf-66e.mailgrid.net.br. TXT
Answer
spf-66e.mailgrid.net.br. 300 TXT "v=spf1 ip4:15.235.58.189 ip4:15.235.58.197 ip4:149.56.88.104 ip4:149.56.88.123 ip4:148.113.207.153 ip4:194.238.25.184 ip4:212.28.184.69 ip4:157.245.13.192 ip4:198.96.90.98 ip4:198.96.90.99 ip4:198.96.90.100 ip4:198.96.90.101 ip4:198.96.90.102 -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