Registro IPv4
host: redtube.es
class: IN
ttl: 3568
type: A
ip: 18.223.197.26

Servidores DNS Principal (mname) y Secundario (rname)
host: redtube.es
class: IN
ttl: 3600
type: SOA
mname: sdns3.ultradns.net
rname: dns.mindgeek.com
serial: 2015091796
refresh: 3600
retry: 3600
expire: 3600
minimum-ttl: 3600