Question and response
Question
dig cst.edu.do. MX
Answer
cst.edu.do. 172800 MX 5 mx1.codetel.mail2world.com.
cst.edu.do. 172800 MX 10 mx2.codetel.mail2world.com.
cst.edu.do. 172800 MX 15 mx3.codetel.mail2world.com.
cst.edu.do. 172800 MX 1 aspmx.l.google.com.
cst.edu.do. 172800 MX 5 alt1.aspmx.l.google.com.
cst.edu.do. 172800 MX 5 alt2.aspmx.l.google.com.
cst.edu.do. 172800 MX 10 alt3.aspmx.l.google.com.
cst.edu.do. 172800 MX 10 alt4.aspmx.l.google.com.
Authority
cst.edu.do. 3600 NS ns2.claro.net.do.
cst.edu.do. 3600 NS ns1.claro.net.do.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0