Registro DMARC
v=spf1 ip4:112.175.85.241 ~all

Registro IPv4
host: swcrdi.com
class: IN
ttl: 1800
type: A
ip: 112.175.50.142

Servidores DNS Principal (mname) y Secundario (rname)
host: swcrdi.com
class: IN
ttl: 1800
type: SOA
mname: swcrdi.com
rname: postmaster.swcrdi.com
serial: 20150409
refresh: 10800
retry: 3600
expire: 3600000
minimum-ttl: 43200

Servidor de Correo
host: swcrdi.com
class: IN
ttl: 1800
type: MX
pri: 10
target: rwebmail-021.fmcity.com

Información TXT
host: swcrdi.com
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:112.175.85.241 ~all
entries: Array