u4.domains.lt has no MX records.
Question and response
Question
dig u4.domains.lt. MX
Answer
The response has no answer records.
Authority
domains.lt. 600 SOA ns1.domreg.lt. hostmaster.domreg.lt. 2025122276 10800 3600 1209600 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0