Registro IPv4
host: telecom.com
class: IN
ttl: 3600
type: A
ip: 80.158.66.24

Servidores DNS Principal (mname) y Secundario (rname)
host: telecom.com
class: IN
ttl: 43200
type: SOA
mname: pns.dtag.de
rname: dnsadmin.nic.dtag.de
serial: 2021110600
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 3600