Apex domains cannot have CNAME records.
Question and response
Question
dig universe.getspace.us. NS
Answer
universe.getspace.us. 5 NS ns2.getspace.us.
universe.getspace.us. 5 NS ns1.getspace.us.
Authority
The response has no authority records.
Additional
ns1.getspace.us. 5 A 163.172.119.81
ns2.getspace.us. 5 A 195.154.52.135
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0