Registro IPv4
host: Telmex.com.co
class: IN
ttl: 60170
type: A
ip: 200.57.141.200

Servidores DNS Principal (mname) y Secundario (rname)
host: Telmex.com.co
class: IN
ttl: 21600
type: SOA
mname: ns3.telmexla.net.co
rname: internet.telmexla.net.co
serial: 2016041217
refresh: 18000
retry: 1800
expire: 604800
minimum-ttl: 10800