Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc@reporting.unisender.com

Registro IPv4
host: tetradka.org.ru
class: IN
ttl: 21600
type: A
ip: 87.236.16.9

Servidores DNS Principal (mname) y Secundario (rname)
host: tetradka.org.ru
class: IN
ttl: 900
type: SOA
mname: dns1.yandex.net
rname: dns-hosting.yandex.ru
serial: 37
refresh: 900
retry: 90
expire: 86400
minimum-ttl: 900

Servidor de Correo
host: tetradka.org.ru
class: IN
ttl: 1800
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: tetradka.org.ru
class: IN
ttl: 1800
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Servidor de Correo
host: tetradka.org.ru
class: IN
ttl: 1800
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: tetradka.org.ru
class: IN
ttl: 1800
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: tetradka.org.ru
class: IN
ttl: 1800
type: MX
pri: 1
target: aspmx.l.google.com

Información TXT
host: tetradka.org.ru
class: IN
ttl: 1800
type: TXT
txt: unisender-go-validate-hash=42fe76e511c35f97de673d76d1deb029
entries: Array

Información TXT
host: tetradka.org.ru
class: IN
ttl: 1800
type: TXT
txt: google-site-verification=1lagpJhh2_DlHapFueIK2vodOEXgk14tqLh4UPTArlg
entries: Array

Información TXT
host: tetradka.org.ru
class: IN
ttl: 1800
type: TXT
txt: _globalsign-domain-verification=5sNlEcuK74GbXGpq6l4LIRWH-bP8ljMcvhQHzEdDNU
entries: Array

Información TXT
host: tetradka.org.ru
class: IN
ttl: 1800
type: TXT
txt: v=spf1 include:beget.com include:spf.unisender.ru include:servers.mcsv.net include:mailgun.org include:_spf.yandex.net include:_spf.yandex.ru include:spf.unisender.com ip4:5.181.108.163 ~all
entries: Array