Registro IPv4
host: iphone.es
class: IN
ttl: 3600
type: A
ip: 17.253.142.4

Servidores DNS Principal (mname) y Secundario (rname)
host: iphone.es
class: IN
ttl: 3600
type: SOA
mname: ns-ext-prod.jackfruit.apple.com
rname: dnscontact.apple.com
serial: 64
refresh: 7200
retry: 5400
expire: 3628800
minimum-ttl: 300