Registro IPv4
host: valladolid.es
class: IN
ttl: 3600
type: A
ip: 90.161.49.3

Servidores DNS Principal (mname) y Secundario (rname)
host: valladolid.es
class: IN
ttl: 3600
type: SOA
mname: dns01.ono.com
rname: valladolid.es
serial: 2025050801
refresh: 3600
retry: 3600
expire: 432000
minimum-ttl: 3600