Question and response
Question
dig spf3.playbackmail.com. TXT
Answer
spf3.playbackmail.com. 300 TXT "v=spf1 ip4:175.41.138.54 ip4:52.69.31.103 ip4:13.113.165.167 ip4:175.41.145.187 ip4:175.41.146.212 ip4:175.41.146.215 ip4:13.115.242.230 ip4:175.41.146.242 ip4:175.41.235.1 ip4:52.196.238.153 ip4:18.178.123.65 ip4:54.251.252.63 ip4:13.230.125.12" " ip4:54.248.30.215 ip4:13.112.48.251 ip4:52.193.123.196 ip4:54.251.122.184 ip4:54.254.103.58 ip4:122.248.237.234 ip4:54.254.106.141 ip4:122.248.254.35 ip4:54.95.169.22 ip4:54.95.238.135 ip4:122.248.232.196 ip4:122.248.240.200 ip4:54.178.207.179 ~all"
Authority
playbackmail.com. 172800 NS ns-1383.awsdns-44.org.
playbackmail.com. 172800 NS ns-1640.awsdns-13.co.uk.
playbackmail.com. 172800 NS ns-406.awsdns-50.com.
playbackmail.com. 172800 NS ns-722.awsdns-26.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0