Registro IPv4
host: telmex.net.mx
class: IN
ttl: 900
type: A
ip: 148.235.52.50

Servidores DNS Principal (mname) y Secundario (rname)
host: telmex.net.mx
class: IN
ttl: 900
type: SOA
mname: dnsadm-interno.uninet.net.mx
rname: adm-dns.reduno.com.mx
serial: 4692
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 900