smtp2.internet.ee has no MX records.
Question and response
Question
dig smtp2.internet.ee. MX
Answer
The response has no answer records.
Authority
internet.ee. 3600 SOA c.tld.ee. hostmaster.internet.ee. 2026022408 10800 3600 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0