mx: us-smtp-inbound-1.mimecast.com.
mx: us-smtp-inbound-2.mimecast.com.
ns: ns1.he.net.
ns: ns1.p29.dynect.net.
ns: ns2.he.net.
ns: ns2.p29.dynect.net.
ns: ns3.he.net.
ns: ns3.p29.dynect.net.
ns: ns4.he.net.
ns: ns4.p29.dynect.net.
ns: ns5.he.net.