Registro DMARC
v=DMARC1; p=quarantine; sp=quarantine;

Registro IPv4
host: itsecurity.ru
class: IN
ttl: 3136
type: A
ip: 85.236.11.138

Servidores DNS Principal (mname) y Secundario (rname)
host: itsecurity.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.yandexcloud.net
rname: hostmaster.infosec.ru
serial: 2026061615
refresh: 14400
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: itsecurity.ru
class: IN
ttl: 3600
type: MX
pri: 20
target: mx2.infosec.ru

Servidor de Correo
host: itsecurity.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.infosec.ru

Información TXT
host: itsecurity.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.unisender.com ip4:195.230.101.51 ip4:195.230.101.52 -all
entries: Array