Registro DMARC
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r

Registro IPv4
host: biznas.com
class: IN
ttl: 2998
type: A
ip: 66.159.35.70

Servidores DNS Principal (mname) y Secundario (rname)
host: biznas.com
class: IN
ttl: 2998
type: SOA
mname: dns5.cronomagic.com
rname: frank.canasoft.net
serial: 10044646
refresh: 3600
retry: 3600
expire: 3600
minimum-ttl: 3600

Servidor de Correo
host: biznas.com
class: IN
ttl: 2998
type: MX
pri: 10
target: mail.biznas.com

Información TXT
host: biznas.com
class: IN
ttl: 2999
type: TXT
txt: v=spf1 ip4:66.159.35.0/24 ip4:66.159.32.0/24 ip4:66.159.43.0/24 ip4:66.159.37.0/24 mx -all
entries: v=spf1 ip4:66.159.35.0/24 ip4:66.159.32.0/24 ip4:66.159.43.0/24 ip4:66.159.37.0/24 mx -all