Question and response
Question
dig i-shn.net. MX
Answer
i-shn.net. 300 MX 10 inbound-smtp.us-west-2.amazonaws.com.
Authority
i-shn.net. 172800 NS ns-1368.awsdns-43.org.
i-shn.net. 172800 NS ns-1965.awsdns-53.co.uk.
i-shn.net. 172800 NS ns-712.awsdns-25.net.
i-shn.net. 172800 NS ns-80.awsdns-10.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0