Registro DMARC
v=DMARC1; p=none; rua=mailto:support@ceisystems.com; ruf=mailto:support@ceisystems.com; fo=1;

Registro IPv4
host: marcouconstruction.com
class: IN
ttl: 1800
type: A
ip: 199.16.172.156

Servidores DNS Principal (mname) y Secundario (rname)
host: marcouconstruction.com
class: IN
ttl: 7200
type: SOA
mname: NS75.WORLDNIC.com
rname: namehost\@WORLDNIC.com
serial: 124111814
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: marcouconstruction.com
class: IN
ttl: 1800
type: MX
pri: 10
target: mail.marcouconstruction.com

Información TXT
host: marcouconstruction.com
class: IN
ttl: 1800
type: TXT
txt: google-site-verification=blSzmrbI-zo-wlLQlywem2GqYmX0FfApCmQpDYRU-ag
entries: Array

Información TXT
host: marcouconstruction.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 mx a ip4:173.209.108.244  a:mail.marcouconstruction.com ~all
entries: Array