Question and response
Question
dig _spf-ip.thruinc.com. TXT
Answer
_spf-ip.thruinc.com. 3600 TXT "v=spf1 ip4:52.171.135.116 ip4:13.65.103.156 ip4:104.176.61.144/28 ip4:157.55.136.93 ip4:52.162.167.83 ip4:51.132.24.176 ip4:45.19.254.64/28 ip4:23.113.182.228/28 ip4:13.75.174.156 ip4:51.116.96.18 -all"
Authority
thruinc.com. 28800 NS a1.uberns.com.
thruinc.com. 28800 NS b1.uberns.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0