Registro DMARC
v=DMARC1; p=reject; sp=none; rua=mailto:postmaster@neftekamsk.ru; ruf=mailto:postmaster@neftekamsk.ru; rf=afrf; pct=100; ri=86400

Servidores DNS Principal (mname) y Secundario (rname)
host: neftekamsk.ru
class: IN
ttl: 600
type: SOA
mname: ns.neftekamsk.ru
rname: admin.neftekamsk.ru
serial: 2022093004
refresh: 86400
retry: 1800
expire: 3024000
minimum-ttl: 86400

Servidor de Correo
host: neftekamsk.ru
class: IN
ttl: 21600
type: MX
pri: 10
target: mail.neftekamsk.ru

Información TXT
host: neftekamsk.ru
class: IN
ttl: 600
type: TXT
txt: v=spf1 +mx a:mail.neftekamsk.ru ~all
entries: Array