Registro DMARC
v=DMARC1;p=none;pct=100;rua=mailto:O365Auth@columbiareach.com;ri=86400;fo=1;

Registro IPv4
host: columbiareach.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.26

Servidores DNS Principal (mname) y Secundario (rname)
host: columbiareach.com
class: IN
ttl: 7200
type: SOA
mname: NS49.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124060313
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

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

Información TXT
host: columbiareach.com
class: IN
ttl: 7200
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array