87.101.34.srvc.fr has no CNAME records.
Question and response
Question
dig 87.101.34.srvc.fr. NS
Answer
The response has no answer records.
Authority
srvc.fr. 4187 SOA ns4.serveurcom.com. root.srvc.fr. 2 604800 86400 2419200 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0