Question and response
Question
dig server3.streamsend.com. MX
Answer
server3.streamsend.com. 86400 MX 10 mail.server3.streamsend.com.
Authority
streamsend.com. 172800 NS ns-1321.awsdns-37.org.
streamsend.com. 172800 NS ns-1797.awsdns-32.co.uk.
streamsend.com. 172800 NS ns-389.awsdns-48.com.
streamsend.com. 172800 NS ns-640.awsdns-16.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0