Question and response
Question
dig manage-subscription.com. TXT
Answer
manage-subscription.com. 1800 TXT "v=spf1 a:mta.manage-subscription.com a:aws1.nedm.email -all"
Authority
manage-subscription.com. 172800 NS ns-1234.awsdns-26.org.
manage-subscription.com. 172800 NS ns-1774.awsdns-29.co.uk.
manage-subscription.com. 172800 NS ns-214.awsdns-26.com.
manage-subscription.com. 172800 NS ns-881.awsdns-46.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0