vi has no MX records.
Question and response
Question
dig vi. MX
Answer
The response has no answer records.
Authority
vi. 7200 SOA pch.nic.vi. hostmaster.nic.vi. 2026030515 7200 14400 2592000 14400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0