phobos.uvsq.fr has no CNAME records.
Question and response
Question
dig phobos.uvsq.fr. NS
Answer
The response has no answer records.
Authority
uvsq.fr. 3600 SOA soleil.uvsq.fr. hostmaster.soleil.uvsq.fr. 2026012701 21600 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0