Question and response
Question
dig mx1.codetel.net.do. KX
Answer
mx1.codetel.net.do. 5 CNAME mx1.codetel.mail2world.com.
Authority
mail2world.com. 300 SOA mwdns10vmoc.mail2world.com. dns_admin.mail2world.net. 2016043392 3600 300 1814400 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0