mail.transcom-estonia.ee has no CNAME records.
Question and response
Question
dig mail.transcom-estonia.ee. NS
Answer
The response has no answer records.
Authority
ee. 2607 SOA ns.tld.ee. hostmaster.eestiinternet.ee. 1772639417 3600 900 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0