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

Registro IPv4
host: czereszenka.pl
class: IN
ttl: 14400
type: A
ip: 91.237.52.247

Servidores DNS Principal (mname) y Secundario (rname)
host: czereszenka.pl
class: IN
ttl: 14400
type: SOA
mname: dns1.linuxpl.com
rname: hostmaster.czereszenka.pl
serial: 2023112101
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: czereszenka.pl
class: IN
ttl: 14400
type: MX
pri: 10
target: mail.czereszenka.pl

Información TXT
host: czereszenka.pl
class: IN
ttl: 14400
type: TXT
txt: v=spf1 a mx include:spf.linuxpl.com ip4:91.237.52.247 ~all
entries: Array