Registro DMARC
v=DMARC1; p=reject; ruf=mailto:postmaster@samsung.com; rua=mailto:postmaster@samsung.com; ri=86400; pct=100; fo=1; adkim=r; aspf=r; rf=afrf

Registro IPv4
host: m21.email.samsung.com
class: IN
ttl: 300
type: A
ip: 192.243.228.1

Servidores DNS Principal (mname) y Secundario (rname)
host: m21.email.samsung.com
class: IN
ttl: 900
type: SOA
mname: ns-261.awsdns-32.com
rname: awsdns-hostmaster.amazon.com
serial: 1
refresh: 7200
retry: 900
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: m21.email.samsung.com
class: IN
ttl: 300
type: MX
pri: 10
target: inbound.campaign.adobe.com

Información TXT
host: m21.email.samsung.com
class: IN
ttl: 300
type: TXT
txt: yahoo-verification-key=cGwJqmFMjBoW8tLJL/nL/LGXDvhGMGi66Ut7NUDcyno=
entries: Array

Información TXT
host: m21.email.samsung.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=OqqWV_B_rjOnvBOkajZQT01IPM041RBFoeAzuZwu0I4
entries: Array

Información TXT
host: m21.email.samsung.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=Axsg7nVJ7t28bSQTbznbIT67yRKVEcu_SVZzux9TS-E
entries: Array

Información TXT
host: m21.email.samsung.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:172.82.217.0/24 ip4:172.82.232.0/24 -all
entries: Array