Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@mx1.rusender-mail.ru

Registro IPv4
host: info-firm.ru
class: IN
ttl: 3600
type: A
ip: 37.46.133.245

Servidores DNS Principal (mname) y Secundario (rname)
host: info-firm.ru
class: IN
ttl: 3600
type: SOA
mname: ns1.firstvds.ru
rname: tech.firstvds.ru
serial: 2026073007
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

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

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

Información TXT
host: info-firm.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:rsndr.ru ip4:155.212.161.223 a mx ~all
entries: Array