Registro IPv4
host: tk1.es
class: IN
ttl: 300
type: A
ip: 157.90.33.74

Registro IPv4
host: tk1.es
class: IN
ttl: 300
type: A
ip: 157.90.33.73

Servidores DNS Principal (mname) y Secundario (rname)
host: tk1.es
class: IN
ttl: 3600
type: SOA
mname: hostmaster.tk1.es
rname: 0
serial: 2026091804
refresh: 28800
retry: 7200
expire: 3600000
minimum-ttl: 300