dns2.amx.com.pe has no NS records.
NS records for this zone are defined at amx.com.pe.
NS records for this zone are defined at amx.com.pe.
Question and response
Question
dig dns2.amx.com.pe. NS
Answer
The response has no answer records.
Authority
amx.com.pe. 3600 SOA dns1.amx.com.pe. hostmaster.amx.com.pe. 408584073 10800 900 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0