Registro DMARC
v=DMARC1; p=none; rua=mailto:admin@must.ru

Registro IPv4
host: must.ru
class: IN
ttl: 3600
type: A
ip: 88.99.4.40

Servidores DNS Principal (mname) y Secundario (rname)
host: must.ru
class: IN
ttl: 3600
type: SOA
mname: ns3-l2.nic.ru
rname: dns.nic.ru
serial: 2020051540
refresh: 1440
retry: 3600
expire: 2592000
minimum-ttl: 600

Servidor de Correo
host: must.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mx01.nicmail.ru

Servidor de Correo
host: must.ru
class: IN
ttl: 3600
type: MX
pri: 5
target: mx02.nicmail.ru

Servidor de Correo
host: must.ru
class: IN
ttl: 3600
type: MX
pri: 20
target: mx03.nicmail.ru

Información TXT
host: must.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.unisender.com include:nicmail.ru ~all
entries: Array

Información TXT
host: must.ru
class: IN
ttl: 3600
type: TXT
txt: google-site-verification=Ux82WdbgY94V6MnNbQMrqGdc0PWXlbGAy-nwJ_42GMg
entries: Array

Información TXT
host: must.ru
class: IN
ttl: 3600
type: TXT
txt: mailru-verification: 1659eb8a4301ccb2
entries: Array

Información TXT
host: must.ru
class: IN
ttl: 3600
type: TXT
txt: yandex-verification: be156cf16c6a4861
entries: Array