dnsirl.nico.email has no MX records.
Question and response
Question
dig dnsirl.nico.email. MX
Answer
The response has no answer records.
Authority
nico.email. 3600 SOA ns-1262.awsdns-29.org. awsdns-hostmaster.amazon.com. 2025100101 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0