Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: sigmachiiu.com
class: IN
ttl: 300
type: A
ip: 205.196.212.224

Servidores DNS Principal (mname) y Secundario (rname)
host: sigmachiiu.com
class: IN
ttl: 300
type: SOA
mname: ns1.dreamhost.com
rname: hostmaster.dreamhost.com
serial: 2024120803
refresh: 19884
retry: 600
expire: 1814400
minimum-ttl: 300

Servidor de Correo
host: sigmachiiu.com
class: IN
ttl: 300
type: MX
pri: 0
target: mx1.mailchannels.net

Servidor de Correo
host: sigmachiiu.com
class: IN
ttl: 300
type: MX
pri: 0
target: mx2.mailchannels.net

Información TXT
host: sigmachiiu.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
entries: Array