Question and response
Question
dig _spf.pool2.transactional-mail-a.com. TXT
Answer
_spf.pool2.transactional-mail-a.com. 86400 TXT "v=spf1 ip4:185.215.216.0/22 ~all"
Authority
transactional-mail-a.com. 172800 NS ns-1383.awsdns-44.org.
transactional-mail-a.com. 172800 NS ns-1704.awsdns-21.co.uk.
transactional-mail-a.com. 172800 NS ns-264.awsdns-33.com.
transactional-mail-a.com. 172800 NS ns-612.awsdns-12.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0