Question and response
Question
dig spf.mta.hdems.com. TXT
Answer
spf.mta.hdems.com. 300 TXT "v=spf1 ip4:52.199.63.160/28 ip4:52.198.247.240/28 ip4:13.115.104.32/29 ip4:18.179.48.80/29 ip4:3.112.23.16/28 ip4:3.112.23.32/27 ip4:3.113.218.80/28 ip4:18.176.203.64/27 ip4:35.78.62.0/26 ip4:54.248.223.224/29 ~all"
Authority
mta.hdems.com. 172800 NS ns-1075.awsdns-06.org.
mta.hdems.com. 172800 NS ns-177.awsdns-22.com.
mta.hdems.com. 172800 NS ns-1807.awsdns-33.co.uk.
mta.hdems.com. 172800 NS ns-632.awsdns-15.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0