Registro DMARC
v=spf1 ip4:64.37.58.106 -all

Servidores DNS Principal (mname) y Secundario (rname)
host: myfreegb.net
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1743783308
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601

Información TXT
host: myfreegb.net
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:31.220.0.123 ip4:31.220.0.187 ip4:216.71.122.139 -all
entries: Array