Question and response
Question
dig mx.mailman4.com. MX
Answer
mx.mailman4.com. 60 MX 10 mx1.mailman4.com.
mx.mailman4.com. 60 MX 10 mx2.mailman4.com.
mx.mailman4.com. 60 MX 10 mx3.mailman4.com.
mx.mailman4.com. 60 MX 10 mx4.mailman4.com.
mx.mailman4.com. 60 MX 10 mx5.mailman4.com.
mx.mailman4.com. 60 MX 10 mx6.mailman4.com.
mx.mailman4.com. 60 MX 10 mx7.mailman4.com.
mx.mailman4.com. 60 MX 10 mx8.mailman4.com.
mx.mailman4.com. 60 MX 10 mx9.mailman4.com.
Authority
mailman4.com. 172800 NS ns-1493.awsdns-58.org.
mailman4.com. 172800 NS ns-1597.awsdns-07.co.uk.
mailman4.com. 172800 NS ns-368.awsdns-46.com.
mailman4.com. 172800 NS ns-799.awsdns-35.net.
Additional
mx1.mailman4.com. 300 A 34.196.96.0
mx2.mailman4.com. 300 A 54.166.247.232
mx3.mailman4.com. 300 A 54.197.68.113
mx4.mailman4.com. 300 A 52.207.17.176
mx5.mailman4.com. 300 A 34.237.17.79
mx6.mailman4.com. 300 A 3.211.227.163
mx7.mailman4.com. 300 A 100.26.30.151
mx8.mailman4.com. 300 A 18.211.235.63
mx9.mailman4.com. 300 A 3.214.103.24
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0