Registro DMARC
v=DMARC1; p=none

Servidores DNS Principal (mname) y Secundario (rname)
host: sigmakom.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.netangels.ru
rname: hostmaster.netangels.ru
serial: 1733346424
refresh: 16384
retry: 2048
expire: 1048576
minimum-ttl: 256

Servidor de Correo
host: sigmakom.ru
class: IN
ttl: 1800
type: MX
pri: 1
target: mx0.sigmakom.ru

Servidor de Correo
host: sigmakom.ru
class: IN
ttl: 1800
type: MX
pri: 5
target: mx1.sigmakom.ru

Información TXT
host: sigmakom.ru
class: IN
ttl: 1800
type: TXT
txt: v=spf1 redirect=netangels.ru
entries: Array