Registro DMARC
v=DMARC1; p=none; sp=none; adkim=r; aspf=r; rua=mailto:postmaster2@cifrabar.ru

Servidores DNS Principal (mname) y Secundario (rname)
host: rosinteh.com
class: IN
ttl: 3600
type: SOA
mname: ns1.rosinteh.com
rname: dnsmaster.rosinteh.com
serial: 2025021201
refresh: 86400
retry: 3600
expire: 2419200
minimum-ttl: 604800