Registro DMARC
v=spf1 include:_spf.hiworks.co.kr ~all

Registro IPv4
host: grplan.com
class: IN
ttl: 1191
type: A
ip: 203.245.12.107

Registro IPv4
host: grplan.com
class: IN
ttl: 1191
type: A
ip: 203.245.12.119

Registro IPv4
host: grplan.com
class: IN
ttl: 1191
type: A
ip: 203.245.12.106

Registro IPv4
host: grplan.com
class: IN
ttl: 1191
type: A
ip: 183.111.139.225

Servidores DNS Principal (mname) y Secundario (rname)
host: grplan.com
class: IN
ttl: 1800
type: SOA
mname: grplan.com
rname: postmaster.grplan.com
serial: 20150115
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: grplan.com
class: IN
ttl: 1800
type: MX
pri: 10
target: mailapp.hiworks.co.kr

Información TXT
host: grplan.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:_spf.hiworks.co.kr ~all
entries: Array