pfout1.megacable.com.mx has no CNAME records.
Question and response
Question
dig pfout1.megacable.com.mx. NS
Answer
The response has no answer records.
Authority
megacable.com.mx. 188 SOA a1-223.akam.net. hostmaster.megacable.com.mx.megacable.com.mx. 2024013013 3600 600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0