Question and response
Question
dig mail.cention.com. TXT
Answer
mail.cention.com. 300 TXT "v=spf1 include:amazonses.com ~all"
Authority
mail.cention.com. 172800 NS ns-1075.awsdns-06.org.
mail.cention.com. 172800 NS ns-1608.awsdns-09.co.uk.
mail.cention.com. 172800 NS ns-356.awsdns-44.com.
mail.cention.com. 172800 NS ns-732.awsdns-27.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0