Registro DMARC
v=DMARC1; p=none; aspf=r; sp=none

Registro IPv4
host: iskusnitsa.ru
class: IN
ttl: 3600
type: A
ip: 89.108.64.103

Servidores DNS Principal (mname) y Secundario (rname)
host: iskusnitsa.ru
class: IN
ttl: 3600
type: SOA
mname: firstbytedns.net
rname: admin.iskusnitsa.ru
serial: 2019061495
refresh: 3600
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: iskusnitsa.ru
class: IN
ttl: 3600
type: MX
pri: 10
target: mx1.masterhost.ru

Información TXT
host: iskusnitsa.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:185.221.153.63 ip4:89.108.64.103 a mx include:_spf.yandex.net include:_spf.masterhost.ru ~all
entries: Array