Question and response
Question
dig mta.smrk.io. A
Answer
mta.smrk.io. 3600 A 149.202.224.0
Authority
mta.smrk.io. 172800 NS ns-1324.awsdns-37.org.
mta.smrk.io. 172800 NS ns-1865.awsdns-41.co.uk.
mta.smrk.io. 172800 NS ns-541.awsdns-03.net.
mta.smrk.io. 172800 NS ns-77.awsdns-09.com.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0