mx2.intercityhoteis.com.br has no MX records.
Question and response
Question
dig mx2.intercityhoteis.com.br. MX
Answer
The response has no answer records.
Authority
intercityhoteis.com.br. 3600 SOA ns1-01.azure-dns.com. hostmaster.intercityhoteis.com.br. 2025121101 21600 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0