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

Registro IPv4
host: centrumusmiechu.pl
class: IN
ttl: 14400
type: A
ip: 91.237.52.196

Servidores DNS Principal (mname) y Secundario (rname)
host: centrumusmiechu.pl
class: IN
ttl: 14400
type: SOA
mname: ns1.futurehost.pl
rname: admin.futurehost.pl
serial: 2023112101
refresh: 14400
retry: 3600
expire: 1209600
minimum-ttl: 86400

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

Información TXT
host: centrumusmiechu.pl
class: IN
ttl: 14400
type: TXT
txt: v=spf1 a mx include:_spf.cyberfolks.pl -all
entries: Array