Registro DMARC
v=DMARC1; p=reject; rua=mailto:info@my-courses.ru

Registro IPv4
host: my-courses.ru
class: IN
ttl: 3600
type: A
ip: 62.173.138.88

Servidores DNS Principal (mname) y Secundario (rname)
host: my-courses.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.ihordns.net
rname: tech.ihordns.net
serial: 2026041703
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: my-courses.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.my-courses.ru

Servidor de Correo
host: my-courses.ru
class: IN
ttl: 3600
type: MX
pri: 20
target: mail.my-courses.ru

Información TXT
host: my-courses.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:155.212.186.169 mx +a -all
entries: Array