Registro IPv4
host: net4u.org
class: IN
ttl: 120
type: A
ip: 162.43.112.7

Servidores DNS Principal (mname) y Secundario (rname)
host: net4u.org
class: IN
ttl: 120
type: SOA
mname: ns1.value-domain.com
rname: hostmaster.net4u.org
serial: 2021111010
refresh: 3600
retry: 900
expire: 604800
minimum-ttl: 120

Servidor de Correo
host: net4u.org
class: IN
ttl: 120
type: MX
pri: 10
target: mail.net4u.org

Información TXT
host: net4u.org
class: IN
ttl: 120
type: TXT
txt: v=spf1 include:sv2.net4u.jp ~all
entries: Array

Información TXT
host: net4u.org
class: IN
ttl: 120
type: TXT
txt: v=spf1 include:sv.net4u.jp ~all
entries: Array

Información TXT
host: net4u.org
class: IN
ttl: 120
type: TXT
txt: v=spf1 include:_spf.google.com ~all
entries: Array

Información TXT
host: net4u.org
class: IN
ttl: 120
type: TXT
txt: v=spf1 mx ~all
entries: Array