Registro DMARC
v=DMARC1; p=none

Registro IPv4
host: silesiasem.pl
class: IN
ttl: 3600
type: A
ip: 91.227.123.220

Servidores DNS Principal (mname) y Secundario (rname)
host: silesiasem.pl
class: IN
ttl: 3600
type: SOA
mname: ns1.unixstorm.org
rname: hostmaster.silesiasem.pl
serial: 2025072501
refresh: 3600
retry: 3600
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: silesiasem.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.silesiasem.pl

Información TXT
host: silesiasem.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a mx ip4:91.227.123.220 ~all
entries: Array