Apex domains cannot have CNAME records.
Question and response
Question
dig services.net. NS
Answer
services.net. 1 NS osdn.services.net.
services.net. 1 NS sdn.iecc.com.
Authority
The response has no authority records.
Additional
sdn.iecc.com. 1 A 108.161.135.154
osdn.services.net. 1 A 192.55.226.68
sdn.iecc.com. 1 AAAA 2606:4300:0:4:0:0:0:106e
osdn.services.net. 1 AAAA 2001:470:1f07:1126:4e:6f74:6269:6e64
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0