Question and response
Question
dig smtp4.tgedm.email. NS
Answer
smtp4.tgedm.email. 5 CNAME tgedm-smtp-04.eastasia.cloudapp.azure.com.
Authority
eastasia.cloudapp.azure.com. 60 SOA ns1-05.azure-dns.com. msnhst.microsoft.com. 10001 900 300 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0