Apex domains cannot have CNAME records.
Question and response
Question
dig gossamerhost.net. NS
Answer
gossamerhost.net. 2 NS ns-61.awsdns-07.com.
gossamerhost.net. 2 NS ns-156.awsdns-19.com.
gossamerhost.net. 2 NS ns-363.awsdns-45.com.
gossamerhost.net. 2 NS ns-1404.awsdns-47.org.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0