187.250.125.124.dsl.dyn.telnor.net has no NS records.
NS records for this zone are defined at telnor.net.
NS records for this zone are defined at telnor.net.
Question and response
Question
dig 187.250.125.124.dsl.dyn.telnor.net. NS
Answer
The response has no answer records.
Authority
telnor.net. 900 SOA dnsadm-interno.uninet.net.mx.telnor.net. dns-adm.reduno.com.mx.telnor.net. 2019040412 10800 3600 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0