Registro IPv4
host: youbook.info
class: IN
ttl: 3600
type: A
ip: 153.126.193.31

Servidores DNS Principal (mname) y Secundario (rname)
host: youbook.info
class: IN
ttl: 3600
type: SOA
mname: ns1.magnoliadns.net
rname: admin.youbook.info
serial: 1657586170
refresh: 3600
retry: 600
expire: 1209600
minimum-ttl: 3600