post.LOFISNET.RU has no CNAME records.
Question and response
Question
dig post.LOFISNET.RU. NS
Answer
The response has no answer records.
Authority
LOFISNET.RU. 6754 SOA ns.LOFISNET.RU. admin.LOFISNET.RU. 164 20000 7200 3600 172800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0