ns233.globonet.net.br has no MX records.
Question and response
Question
dig ns233.globonet.net.br. MX
Answer
The response has no answer records.
Authority
globonet.net.br. 7200 SOA ns232.globonet.net.br. globonet.mantenedora.com.br. 2025120302 86400 43200 604800 10800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0