phpxx.multacom.net has no CNAME records.
Question and response
Question
dig phpxx.multacom.net. NS
Answer
The response has no answer records.
Authority
multacom.net. 10800 SOA ns1.multacom.com. support.multacom.com. 2024030100 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0