Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@gtnetworks.pl; ruf=mailto:postmaster@gtnetworks.pl; fo=0; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=none 

Registro IPv4
host: gtnetworks.pl
class: IN
ttl: 14400
type: A
ip: 77.95.237.25

Servidores DNS Principal (mname) y Secundario (rname)
host: gtnetworks.pl
class: IN
ttl: 86400
type: SOA
mname: donna.etop.pl
rname: dat.etop.pl
serial: 2026081601
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: gtnetworks.pl
class: IN
ttl: 14400
type: MX
pri: 0
target: gtnetworks.pl

Información TXT
host: gtnetworks.pl
class: IN
ttl: 14400
type: TXT
txt: v=spf1 ip4:79.133.207.101 ip4:77.95.237.25 +a +mx +ip4:77.95.237.2 +ip4:79.133.210.59 ~all
entries: Array