Registro DMARC
v=DMARC1;p=none;

Registro IPv4
host: employmentcenter.ru
class: IN
ttl: 3333
type: A
ip: 46.254.20.109

Servidores DNS Principal (mname) y Secundario (rname)
host: employmentcenter.ru
class: IN
ttl: 86400
type: SOA
mname: ns1.ihc.ru
rname: info.ihc.ru
serial: 2018083001
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: employmentcenter.ru
class: IN
ttl: 3333
type: MX
pri: 10
target: mail.employmentcenter.ru