Apex domains cannot have CNAME records.
Question and response
Question
dig synaq.com. NS
Answer
synaq.com. 5 NS ns1.synaq.com.
synaq.com. 5 NS ns2.synaq.com.
synaq.com. 5 NS ns3.synaq.com.
synaq.com. 5 NS ns4.synaq.com.
Authority
The response has no authority records.
Additional
ns1.synaq.com. 5 A 197.97.139.68
ns2.synaq.com. 5 A 13.245.174.166
ns3.synaq.com. 5 A 212.71.232.146
ns4.synaq.com. 5 A 13.245.245.75
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0