gg.capgemini.com has no CNAME records.
Question and response
Question
dig gg.capgemini.com. NS
Answer
The response has no answer records.
Authority
capgemini.com. 3459 SOA dns1.p03.nsone.net. hostmaster.nsone.net. 1648563425 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0