Apex domains cannot have CNAME records.
Question and response
Question
dig hospiceoakpark.com. NS
Answer
hospiceoakpark.com. 5 NS ns-1684.awsdns-18.co.uk.
hospiceoakpark.com. 5 NS ns-329.awsdns-41.com.
hospiceoakpark.com. 5 NS ns-484.awsdns-60.com.
hospiceoakpark.com. 5 NS ns-1536.awsdns-00.co.uk.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0