vivo has no MX records.
Question and response
Question
dig vivo. MX
Answer
The response has no answer records.
Authority
vivo. 900 SOA ns1.dns.nic.vivo. admin.tldns.godaddy. 1771951139 1800 300 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0