Apex domains cannot have CNAME records.
Question and response
Question
dig sysaidit.com. NS
Answer
sysaidit.com. 5 NS ns-754.awsdns-30.net.
sysaidit.com. 5 NS ns-1129.awsdns-13.org.
sysaidit.com. 5 NS ns-1932.awsdns-49.co.uk.
sysaidit.com. 5 NS ns-320.awsdns-40.com.
Authority
The response has no authority records.
Additional
ns-754.awsdns-30.net. 1 A 205.251.194.242
ns-1129.awsdns-13.org. 1 A 205.251.196.105
ns-1932.awsdns-49.co.uk. 1 A 205.251.199.140
ns-320.awsdns-40.com. 1 AAAA 2600:9000:5301:4000:0:0:0:1
ns-754.awsdns-30.net. 1 AAAA 2600:9000:5302:f200:0:0:0:1
ns-1129.awsdns-13.org. 1 AAAA 2600:9000:5304:6900:0:0:0:1
ns-1932.awsdns-49.co.uk. 1 AAAA 2600:9000:5307:8c00:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0