mx: us-smtp-inbound-1.mimecast.com.
mx: us-smtp-inbound-2.mimecast.com.
ns: ns1-06.azure-dns.com.
ns: ns-1322.awsdns-37.org.
ns: ns-1679.awsdns-17.co.uk.
ns: ns2-06.azure-dns.net.
ns: ns3-06.azure-dns.org.
ns: ns-386.awsdns-48.com.
ns: ns4-06.azure-dns.info.
ns: ns-558.awsdns-05.net.