Registro DMARC
v=spf1 mx a include:spf.protection.outlook.com a:radom-ch.ptt.org.pl -all

Registro IPv4
host: ptt.org.pl
class: IN
ttl: 3600
type: A
ip: 46.242.246.118

Servidores DNS Principal (mname) y Secundario (rname)
host: ptt.org.pl
class: IN
ttl: 3600
type: SOA
mname: dns.home.pl
rname: admin.home.pl
serial: 1559629583
refresh: 14400
retry: 7200
expire: 2419200
minimum-ttl: 3600

Servidor de Correo
host: ptt.org.pl
class: IN
ttl: 3600
type: MX
pri: 10
target: ptt-org-pl.mail.protection.outlook.com

Información TXT
host: ptt.org.pl
class: IN
ttl: 3600
type: TXT
txt: v=spf1 mx a include:spf.protection.outlook.com a:radom-ch.ptt.org.pl -all
entries: Array