Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: is.stuba.sk
class: IN
ttl: 11117
type: A
ip: 147.175.6.100

Servidores DNS Principal (mname) y Secundario (rname)
host: is.stuba.sk
class: IN
ttl: 13830
type: SOA
mname: ns.cvt.stuba.sk
rname: postmaster.cvt.stuba.sk
serial: 2025101600
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: is.stuba.sk
class: IN
ttl: 13831
type: MX
pri: 10
target: smtp.cvt.stuba.sk

Información TXT
host: is.stuba.sk
class: IN
ttl: 13831
type: TXT
txt: v=spf1 ip4:147.175.1.0/24 ip4:147.175.6.96/27 ~all
entries: Array