Registro DMARC
v=spf1 ip4:203.245.44.83 ~all

Registro IPv4
host: sejongflex.com
class: IN
ttl: 1800
type: A
ip: 203.245.44.83

Servidores DNS Principal (mname) y Secundario (rname)
host: sejongflex.com
class: IN
ttl: 1800
type: SOA
mname: sejongflex.com
rname: postmaster.sejongflex.com
serial: 20200612
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

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

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

Información TXT
host: sejongflex.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:203.245.44.83 ~all
entries: Array