forums.lactualite.com has no CNAME records.
Question and response
Question
dig forums.lactualite.com. NS
Answer
The response has no answer records.
Authority
lactualite.com. 1785 SOA lola.ns.cloudflare.com. dns.cloudflare.com. 2397381491 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0