fhs04.flx.com.pe has no CNAME records.
Question and response
Question
dig fhs04.flx.com.pe. NS
Answer
The response has no answer records.
Authority
flx.com.pe. 764 SOA ns1.fiberluxperu.com. noc.flx.com.pe. 2026021304 10800 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0