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

Registro IPv4
host: mathforum.ru
class: IN
ttl: 3600
type: A
ip: 213.189.196.129

Servidores DNS Principal (mname) y Secundario (rname)
host: mathforum.ru
class: IN
ttl: 3600
type: SOA
mname: sni8.rusonyx.ru
rname: info.rusonyx.ru
serial: 2025052812
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: mathforum.ru
class: IN
ttl: 3600
type: MX
pri: 100
target: mail.mathforum.ru

Información TXT
host: mathforum.ru
class: IN
ttl: 3600
type: TXT
txt: v=spf1 ip4:89.253.240.0/24 a mx ~all
entries: Array