Registro IPv4
host: telnor.net
class: IN
ttl: 900
type: A
ip: 200.23.249.1

Servidores DNS Principal (mname) y Secundario (rname)
host: telnor.net
class: IN
ttl: 900
type: SOA
mname: dnsadm-interno.uninet.net.mx.telnor.net
rname: dns-adm.reduno.com.mx.telnor.net
serial: 2019040411
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 900