Registro IPv4
host: adtech21.com
class: IN
ttl: 599
type: A
ip: 192.168.1.251

Registro IPv4
host: adtech21.com
class: IN
ttl: 599
type: A
ip: 192.168.1.242

Registro IPv4
host: adtech21.com
class: IN
ttl: 599
type: A
ip: 169.254.250.188

Servidores DNS Principal (mname) y Secundario (rname)
host: adtech21.com
class: IN
ttl: 3600
type: SOA
mname: adt_ad2016.adtech21.com
rname: hostmaster.adtech21.com
serial: 14853
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: adtech21.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.adtech21.com

Información TXT
host: adtech21.com
class: IN
ttl: 3599
type: TXT
txt: v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf3.mailnara.co.kr include:_spf4.mailnara.co.kr include:_spf5.mailnara.co.kr ~all
entries: Array