Registro DMARC
v=DMARC1; p=none; rua=mailto:subscriber@designbook.ru

Registro IPv4
host: designbook.ru
class: IN
ttl: 2637
type: A
ip: 89.253.220.137

Servidores DNS Principal (mname) y Secundario (rname)
host: designbook.ru
class: IN
ttl: 3600
type: SOA
mname: ns3.caravan.ru
rname: a.margarit.mail.ru
serial: 51932
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: designbook.ru
class: IN
ttl: 3600
type: MX
pri: 40
target: mail.designbook.ru

Información TXT
host: designbook.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:89.253.220.62 ip4:89.253.220.137 ?all
entries: Array