dee.sleepysquirrel.com has no CNAME records.
Question and response
Question
dig dee.sleepysquirrel.com. NS
Answer
The response has no answer records.
Authority
sleepysquirrel.com. 3232 SOA ns1.sleepysquirrel.com. root.sleepysquirrel.com. 2025060866 1200 600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0