Registro DMARC
v=DMARC1; p=none; aspf=r; sp=none

Registro IPv4
host: simplemachines.ru
class: IN
ttl: 3600
type: A
ip: 217.28.220.111

Servidores DNS Principal (mname) y Secundario (rname)
host: simplemachines.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.mavn.in
rname: mavn.mavn.org
serial: 9
refresh: 10800
retry: 3600
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: simplemachines.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.simplemachines.ru

Información TXT
host: simplemachines.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a ip4:217.28.220.111 -all
entries: Array