Apex domains cannot have CNAME records.
Question and response
Question
dig webhosting.systems. NS
Answer
webhosting.systems. 5 NS acns02.xaas.systems.
webhosting.systems. 5 NS acns05.xaas.systems.
webhosting.systems. 5 NS acns04.xaas.systems.
webhosting.systems. 5 NS acns01.xaas.systems.
webhosting.systems. 5 NS acns03.xaas.systems.
Authority
The response has no authority records.
Additional
acns01.xaas.systems. 5 A 217.146.18.1
acns02.xaas.systems. 5 A 188.172.248.1
acns03.xaas.systems. 5 A 213.227.160.1
acns04.xaas.systems. 5 A 213.227.191.1
acns05.xaas.systems. 5 A 185.81.208.1
acns01.xaas.systems. 5 AAAA 2a00:11c0:aa1:0:0:0:0:1
acns02.xaas.systems. 5 AAAA 2a05:8900:aa1:0:0:0:0:1
acns03.xaas.systems. 5 AAAA 2605:380:aa1:0:0:0:0:1
acns04.xaas.systems. 5 AAAA 2803:ad80:aa1:0:0:0:0:1
acns05.xaas.systems. 5 AAAA 2a00:11c0:1010:0:0:0:0:1
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0