Registro DMARC
v=spf1 -all

Registro IPv4
host: 51start.ru
class: IN
ttl: 900
type: A
ip: 185.32.58.247

Servidores DNS Principal (mname) y Secundario (rname)
host: 51start.ru
class: IN
ttl: 900
type: SOA
mname: ns.megagroup.ru
rname: dnsmaster.megagroup.ru
serial: 7
refresh: 21600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: 51start.ru
class: IN
ttl: 900
type: MX
pri: 5
target: mail.51start.ru