Registro IPv4
host: strongsystems.net
class: IN
ttl: 2661
type: A
ip: 50.87.144.110

Servidores DNS Principal (mname) y Secundario (rname)
host: strongsystems.net
class: IN
ttl: 6702
type: SOA
mname: NS17.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 117032313
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: strongsystems.net
class: IN
ttl: 3102
type: MX
pri: 10
target: mx1.emailsrvr.com

Servidor de Correo
host: strongsystems.net
class: IN
ttl: 3102
type: MX
pri: 20
target: mx2.emailsrvr.com

Información TXT
host: strongsystems.net
class: IN
ttl: 3102
type: TXT
txt: v=spf1 include:emailsrvr.com ~all
entries: v=spf1 include:emailsrvr.com ~all