ns1.sleepysquirrel.com has no CNAME records.
Question and response
Question
dig ns1.sleepysquirrel.com. NS
Answer
The response has no answer records.
Authority
sleepysquirrel.com. 2241 SOA ns1.sleepysquirrel.com. root.sleepysquirrel.com. 2025060882 1200 600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0