Registro DMARC
v=DMARC1; p=reject

Servidores DNS Principal (mname) y Secundario (rname)
host: nimi.su
class: IN
ttl: 3600
type: SOA
mname: ns3-l2.nic.ru
rname: dns.nic.ru
serial: 2020031707
refresh: 1440
retry: 3600
expire: 2592000
minimum-ttl: 600

Servidor de Correo
host: nimi.su
class: IN
ttl: 3600
type: MX
pri: 10
target: mail2.nimi.su

Información TXT
host: nimi.su
class: IN
ttl: 3600
type: TXT
txt: v=spf1 +mx -all
entries: Array