Registro DMARC
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: ibm.biz
class: IN
ttl: 154
type: A
ip: 169.63.190.63

Servidores DNS Principal (mname) y Secundario (rname)
host: ibm.biz
class: IN
ttl: 3600
type: SOA
mname: dns1.p01.nsone.net
rname: hostmaster.nsone.net
serial: 1724163353
refresh: 43200
retry: 7200
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: ibm.biz
class: IN
ttl: 3600
type: MX
pri: 0
target: 

Información TXT
host: ibm.biz
class: IN
ttl: 7200
type: TXT
txt: f779180bfcfd4fb68b733c7c2b949d75
entries: f779180bfcfd4fb68b733c7c2b949d75

Información TXT
host: ibm.biz
class: IN
ttl: 7200
type: TXT
txt: v=spf1 mx/24 -all
entries: v=spf1 mx/24 -all

Información TXT
host: ibm.biz
class: IN
ttl: 7200
type: TXT
txt: mf0h7btgrsfm8sbv24rl0jvz9qmrc69r
entries: mf0h7btgrsfm8sbv24rl0jvz9qmrc69r