Registro DMARC
v=spf1 ip4:183.111.174.48 ~all

Registro IPv4
host: sejong-nbjh.or.kr
class: IN
ttl: 1540
type: A
ip: 14.128.175.66

Servidores DNS Principal (mname) y Secundario (rname)
host: sejong-nbjh.or.kr
class: IN
ttl: 1800
type: SOA
mname: sejong-nbjh.or.kr
rname: postmaster.sejong-nbjh.or.kr
serial: 20181221
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: sejong-nbjh.or.kr
class: IN
ttl: 1800
type: MX
pri: 10
target: uws64-159.cafe24.com

Información TXT
host: sejong-nbjh.or.kr
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:183.111.174.48 ~all
entries: Array