Question and response
Question
dig us-spf.atmailcloud.com. TXT
Answer
us-spf.atmailcloud.com. 60 TXT "v=spf1 ip4:204.145.97.128/27 ip4:204.145.97.160/30 ip4:204.145.97.164/31 include:spf.us-east.atmailcloud.com"
Authority
atmailcloud.com. 172800 NS ns-1186.awsdns-20.org.
atmailcloud.com. 172800 NS ns-1879.awsdns-42.co.uk.
atmailcloud.com. 172800 NS ns-49.awsdns-06.com.
atmailcloud.com. 172800 NS ns-977.awsdns-58.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0