Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:mailauth-reports@qq.com

Registro IPv4
host: duomai.com
class: IN
ttl: 600
type: A
ip: 121.40.30.115

Servidores DNS Principal (mname) y Secundario (rname)
host: duomai.com
class: IN
ttl: 180
type: SOA
mname: ns3.dnsv4.com
rname: enterprise2dnsadmin.dnspod.com
serial: 1748507713
refresh: 3600
retry: 180
expire: 1209600
minimum-ttl: 180

Servidor de Correo
host: duomai.com
class: IN
ttl: 600
type: MX
pri: 5
target: mxbiz1.qq.com

Servidor de Correo
host: duomai.com
class: IN
ttl: 600
type: MX
pri: 10
target: mxbiz2.qq.com

Información TXT
host: duomai.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.mail.qq.com ~all
entries: Array

Información TXT
host: duomai.com
class: IN
ttl: 3600
type: TXT
txt: mandrill_verify.smEY4_T8BOpomIZh6zoytA
entries: Array

Información TXT
host: duomai.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.mandrillapp.com ~all
entries: Array

Información TXT
host: duomai.com
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=q_TvP94erstyGatySBMR293u9jHYFuiQVSNfJFMVjiY
entries: Array