Question and response
Question
dig spf2.expertsender.com. TXT
Answer
spf2.expertsender.com. 3600 TXT "v=spf1 ip4:173.195.145.2/26 ip4:173.195.146.2/28 ip4:80.209.249.255 ip4:80.209.249.246/28 ip4:80.209.251.249 ip4:119.254.29.0/24 -all"
Authority
expertsender.com. 3600 NS pdns08.domaincontrol.com.
expertsender.com. 3600 NS pdns07.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0