mail.baltneta.lt has no CNAME records.
Question and response
Question
dig mail.baltneta.lt. NS
Answer
The response has no answer records.
Authority
baltneta.lt. 5 SOA dns1.balt.net. hostmaster.balt.net. 2012072020 3600 900 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0