Registro DMARC
v=spf1 ip4:89.208.163.13 a mx include:_spf.mail.ru ~all

Registro IPv4
host: guidebook.ru
class: IN
ttl: 1800
type: A
ip: 89.208.163.13

host: rnd.guidebook.ru
class: IN
ttl: 1800
type: CNAME
target: guidebook.ru

Servidores DNS Principal (mname) y Secundario (rname)
host: guidebook.ru
class: IN
ttl: 1800
type: SOA
mname: ns10.hoster.ru
rname: support.hoster.ru
serial: 3501217493
refresh: 3600
retry: 300
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: guidebook.ru
class: IN
ttl: 1800
type: MX
pri: 10
target: emx.mail.ru

Información TXT
host: guidebook.ru
class: IN
ttl: 1800
type: TXT
txt: v=spf1 ip4:89.208.163.13 a mx include:_spf.mail.ru ~all
entries: Array