Registro IPv4
host: open2learn.org
class: IN
ttl: 3108
type: A
ip: 208.91.197.25

Servidores DNS Principal (mname) y Secundario (rname)
host: open2learn.org
class: IN
ttl: 7200
type: SOA
mname: NS39.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122051711
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: open2learn.org
class: IN
ttl: 7200
type: MX
pri: 99
target: mailgw1.bcp.org

Servidor de Correo
host: open2learn.org
class: IN
ttl: 7200
type: MX
pri: 10
target: mailgw2.bcp.org

Información TXT
host: open2learn.org
class: IN
ttl: 7200
type: TXT
txt: v=spf1 mx -all
entries: Array