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

Registro IPv4
host: yusearch.com
class: IN
ttl: 86400
type: A
ip: 216.239.138.3

Servidores DNS Principal (mname) y Secundario (rname)
host: yusearch.com
class: IN
ttl: 86400
type: SOA
mname: primary.guardeddns.net
rname: dns-admin.guardeddns.net
serial: 182
refresh: 28800
retry: 450
expire: 1209600
minimum-ttl: 900

Servidor de Correo
host: yusearch.com
class: IN
ttl: 86400
type: MX
pri: 10
target: postoffice.omnis.com

Información TXT
host: yusearch.com
class: IN
ttl: 86400
type: TXT
txt: v=spf1 include:spf.guardedhost.com ~all
entries: Array