Question and response
Question
dig purelymail.com. MX
Answer
purelymail.com. 86400 MX 50 mailserver.purelymail.com.
Authority
purelymail.com. 172800 NS ns-1203.awsdns-22.org.
purelymail.com. 172800 NS ns-2013.awsdns-59.co.uk.
purelymail.com. 172800 NS ns-373.awsdns-46.com.
purelymail.com. 172800 NS ns-990.awsdns-59.net.
Additional
mailserver.purelymail.com. 60 A 18.204.123.63
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0