Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1

Registro IPv4
host: twr.com
class: IN
ttl: 21600
type: A
ip: 165.160.15.20

Registro IPv4
host: twr.com
class: IN
ttl: 21600
type: A
ip: 165.160.13.20

Servidores DNS Principal (mname) y Secundario (rname)
host: twr.com
class: IN
ttl: 21600
type: SOA
mname: dns1.cscdns.net
rname: hostmaster.cscdns.net
serial: 2015090815
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: twr.com
class: IN
ttl: 21600
type: MX
pri: 10
target: custmx.cscdns.net

Información TXT
host: twr.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx include:spf.protection.outlook.com ip4:103.37.228.0/24 ip4:159.222.40.0/23 ip4:185.69.116.0/22 ip4:192.34.68.0/24 ip4:192.34.69.0/24 ip4:208.68.245.0/24 ip4:208.68.246.0/24 ip4:208.68.247.0/24 ~all
entries: Array

Información TXT
host: twr.com
class: IN
ttl: 3600
type: TXT
txt: GdMVqyJT///oIDmajm2Xtg15xdTEG49VnOavDWdEn39R72zITdrJR/gudGiiwyWyM5qp5VcYDnn2b6kiiJYFQw==
entries: Array

Información TXT
host: twr.com
class: IN
ttl: 3600
type: TXT
txt: ddbd6bf9-f1fb-4ef1-b7ab-d98eb77b85f9
entries: Array