NS2.RCP.NET.pe has no CNAME records.
Question and response
Question
dig NS2.RCP.NET.pe. NS
Answer
The response has no answer records.
Authority
rcp.net.pe. 1345 SOA NS.RCP.NET.PE.net. operador.rcp.pe. 2025020700 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0