filter-c.yachay.PE has no CNAME records.
Question and response
Question
dig filter-c.yachay.PE. NS
Answer
The response has no answer records.
Authority
yachay.pe. 2314 SOA ns.rcp.net.pe. operador.rcp.pe. 2026022603 7200 300 604800 7200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0