Registro DMARC
v=DMARC1;p=none;rua=mailto:returnmail@ybm.co.kr;

Registro IPv4
host: ybmnet.co.kr
class: IN
ttl: 3600
type: A
ip: 203.231.233.137

Servidores DNS Principal (mname) y Secundario (rname)
host: ybmnet.co.kr
class: IN
ttl: 3600
type: SOA
mname: sisadns131
rname: hostmaster
serial: 741
refresh: 900
retry: 600
expire: 86400
minimum-ttl: 3600

Servidor de Correo
host: ybmnet.co.kr
class: IN
ttl: 3600
type: MX
pri: 0
target: ybmnet-co-kr.mail.protection.outlook.com

Información TXT
host: ybmnet.co.kr
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com ip4:203.231.233.147 ip4:203.231.233.148 ip4:210.116.108.63 ip4:210.116.108.64 ip4:210.116.108.65 ip4:210.116.108.66 ip4:221.142.252.36 ip4:218.236.40.17 ip4:218.236.40.19 ip4:218.236.40.21 ~all
entries: Array

Información TXT
host: ybmnet.co.kr
class: IN
ttl: 3600
type: TXT
txt: _globalsign-domain-verification=eTqJDhulEl8JmBS8bu86i9ct4sXMGbaHePW4_LR1Se
entries: Array

Información TXT
host: ybmnet.co.kr
class: IN
ttl: 3600
type: TXT
txt: MS=ms42201345
entries: Array