Apex domains cannot have CNAME records.
Question and response
Question
dig services.ingenico.com. NS
Answer
services.ingenico.com. 5 NS ns1.sandbox.global.ingenico.com.
services.ingenico.com. 5 NS dns1.p01.nsone.net.
services.ingenico.com. 5 NS ns1.global.ingenico.com.
services.ingenico.com. 5 NS ns1.preprod.global.ingenico.com.
services.ingenico.com. 5 NS dns4.p01.nsone.net.
services.ingenico.com. 5 NS dns3.p01.nsone.net.
services.ingenico.com. 5 NS dns2.p01.nsone.net.
Authority
The response has no authority records.
Additional
ns1.global.ingenico.com. 5 A 185.8.54.43
ns1.preprod.global.ingenico.com. 5 A 185.8.54.72
ns1.sandbox.global.ingenico.com. 5 A 185.8.54.99
dns1.p01.nsone.net. 3 A 198.51.44.1
dns2.p01.nsone.net. 3 A 198.51.45.1
dns3.p01.nsone.net. 3 A 198.51.44.65
dns4.p01.nsone.net. 3 A 198.51.45.65
dns1.p01.nsone.net. 3 AAAA 2620:4d:4000:6259:7:1:0:1
dns2.p01.nsone.net. 3 AAAA 2a00:edc0:6259:7:1:0:0:2
dns3.p01.nsone.net. 3 AAAA 2620:4d:4000:6259:7:1:0:3
dns4.p01.nsone.net. 3 AAAA 2a00:edc0:6259:7:1:0:0:4
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0