Registro DMARC
v=spf1 ip4:211.34.104.37 ~all

Registro IPv4
host: mtrc.co.kr
class: IN
ttl: 648
type: A
ip: 203.245.24.35

Servidores DNS Principal (mname) y Secundario (rname)
host: mtrc.co.kr
class: IN
ttl: 650
type: SOA
mname: mtrc.CO.Kr
rname: postmaster.mtrc.CO.Kr
serial: 20210309
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: mtrc.co.kr
class: IN
ttl: 652
type: MX
pri: 10
target: rmw-002.fmcity.com

Información TXT
host: mtrc.co.kr
class: IN
ttl: 653
type: TXT
txt: v=spf1 ip4:211.34.104.37 ~all
entries: Array