cust.tele2.ee has no MX records.
Question and response
Question
dig cust.tele2.ee. MX
Answer
The response has no answer records.
Authority
cust.tele2.ee. 3600 SOA ns.tele2.ee. hostmaster.tele2.ee. 2020051515 1800 900 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0