blotto.klfree.net has no CNAME records.
Question and response
Question
dig blotto.klfree.net. NS
Answer
The response has no answer records.
Authority
klfree.net. 2835 SOA ns1.klfree.cz. root.klfree.net. 1772803185 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0