Question and response
Question
dig auth.msgapp.com. TXT
Answer
auth.msgapp.com. 300 TXT "v=spf1 ip4:148.163.157.132 ip4:52.73.255.192/26 ip4:52.200.60.192/26 ip4:18.232.1.16/28 ip4:3.251.152.64/26 ip4:3.26.128.192/26 include:spf1.uk.msgapp.com include:spf2.uk.msgapp.com ~all"
Authority
msgapp.com. 172800 NS ns-1377.awsdns-44.org.
msgapp.com. 172800 NS ns-1686.awsdns-18.co.uk.
msgapp.com. 172800 NS ns-9.awsdns-01.com.
msgapp.com. 172800 NS ns-911.awsdns-49.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0