Registro DMARC
v=spf1 include:mailgun.org ~all

Registro IPv4
host: sebs.kr
class: IN
ttl: 1800
type: A
ip: 203.245.12.100

Registro IPv4
host: sebs.kr
class: IN
ttl: 1800
type: A
ip: 203.245.12.113

Registro IPv4
host: sebs.kr
class: IN
ttl: 1800
type: A
ip: 210.114.23.167

Registro IPv4
host: sebs.kr
class: IN
ttl: 1800
type: A
ip: 183.111.139.233

Servidores DNS Principal (mname) y Secundario (rname)
host: sebs.kr
class: IN
ttl: 1800
type: SOA
mname: sebs.kr
rname: postmaster.sebs.kr
serial: 20171111
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: sebs.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: kr1-aspmx1.worksmobile.com

Servidor de Correo
host: sebs.kr
class: IN
ttl: 1800
type: MX
pri: 20
target: kr1-aspmx2.worksmobile.com

Información TXT
host: sebs.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:mailgun.org ~all
entries: Array