Question and response
Question
dig serverbox.net. MX
Answer
serverbox.net. 900 MX 20 serverbox-net.p20.spamhero.net.
serverbox.net. 900 MX 10 serverbox-net.p10.spamhero.com.
serverbox.net. 900 MX 40 serverbox-net.p40.spamhero.net.
serverbox.net. 900 MX 30 serverbox-net.p30.spamhero.net.
Authority
serverbox.net. 172800 NS ns.dnsbox.net.
serverbox.net. 172800 NS ns2.dnsbox.net.
Additional
serverbox-net.p10.spamhero.com. 900 A 216.172.106.29
serverbox-net.p10.spamhero.com. 900 A 209.41.68.142
serverbox-net.p20.spamhero.net. 900 A 216.172.106.29
serverbox-net.p30.spamhero.net. 900 A 209.41.68.142
serverbox-net.p40.spamhero.net. 900 A 216.172.106.29
serverbox-net.p40.spamhero.net. 900 A 209.41.68.142
ns.dnsbox.net. 900 A 208.53.48.154
ns2.dnsbox.net. 900 A 45.79.100.232
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0