Registro DMARC
v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s

Servidores DNS Principal (mname) y Secundario (rname)
host: cdxcn.net
class: IN
ttl: 21600
type: SOA
mname: flipm.cdxcn.net
rname: admin.cedexis.com
serial: 1752892846
refresh: 14400
retry: 7200
expire: 604800
minimum-ttl: 20

host: cdxcn.net
class: IN
ttl: 21600
type: HINFO
cpu: 
os: DECUNIX

Información TXT
host: cdxcn.net
class: IN
ttl: 3600
type: TXT
txt: v=spf1 -all
entries: Array