Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: steeldoor.kr
class: IN
ttl: 300
type: A
ip: 175.213.216.112

Servidores DNS Principal (mname) y Secundario (rname)
host: steeldoor.kr
class: IN
ttl: 300
type: SOA
mname: ns75.koreadns.kr
rname: hostmaster.koreadns.kr
serial: 2026071804
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 300

Servidor de Correo
host: steeldoor.kr
class: IN
ttl: 3600
type: MX
pri: 10
target: steeldoor-kr.mail.protection.outlook.com

Información TXT
host: steeldoor.kr
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array

Información TXT
host: steeldoor.kr
class: IN
ttl: 90
type: TXT
txt: google-site-verification=j1lnTrHOUaKQExh9N3TSr0vnhx9Elpv1zxME2c0eQAI
entries: Array