Registro DMARC
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;pct=100;fo=0;rf=afrf;ri=86400

Registro IPv4
host: tandemcmcn.com
class: IN
ttl: 900
type: A
ip: 144.208.78.147

Servidores DNS Principal (mname) y Secundario (rname)
host: tandemcmcn.com
class: IN
ttl: 14400
type: SOA
mname: ns1.inmotionhosting.com
rname: systems-notices.inmotionhosting.com
serial: 2025101600
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: tandemcmcn.com
class: IN
ttl: 900
type: MX
pri: 0
target: mail.tandemcmcn.com

Información TXT
host: tandemcmcn.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 +a +mx +ip4:23.235.203.64 include:relay.mailchannels.net +ip4:144.208.78.147 ~all
entries: