Question and response
Question
dig b128.mta04.sendsmaily.info. A
Answer
b128.mta04.sendsmaily.info. 1800 A 149.202.130.128
Authority
sendsmaily.info. 21600 NS ns-1160.awsdns-17.org.
sendsmaily.info. 21600 NS ns-1624.awsdns-11.co.uk.
sendsmaily.info. 21600 NS ns-467.awsdns-58.com.
sendsmaily.info. 21600 NS ns-893.awsdns-47.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0