Registro DMARC
v=DMARC1;p=reject;sp=reject;aspf=s;

Registro IPv4
host: psis.edu.pl
class: IN
ttl: 2709
type: A
ip: 194.181.228.135

Servidores DNS Principal (mname) y Secundario (rname)
host: psis.edu.pl
class: IN
ttl: 2709
type: SOA
mname: dns111.ovh.net
rname: tech.ovh.net
serial: 2023033012
refresh: 86400
retry: 3600
expire: 3600000
minimum-ttl: 300

Servidor de Correo
host: psis.edu.pl
class: IN
ttl: 2709
type: MX
pri: 10
target: mx3.mail.ovh.net

Servidor de Correo
host: psis.edu.pl
class: IN
ttl: 2709
type: MX
pri: 1
target: mx4.mail.ovh.net

Información TXT
host: psis.edu.pl
class: IN
ttl: 2709
type: TXT
txt: 1|www.psis.edu.pl
entries: 

Información TXT
host: psis.edu.pl
class: IN
ttl: 2709
type: TXT
txt: v=spf1 mx ~all
entries: