Registro DMARC
v=spf1 ip4:194.228.2.91 ip4:194.228.2.92 ip4:194.228.41.112 ~all

Registro IPv4
host: o2active.cz
class: IN
ttl: 300
type: A
ip: 160.218.161.102

Servidores DNS Principal (mname) y Secundario (rname)
host: o2active.cz
class: IN
ttl: 300
type: SOA
mname: dns.iol.cz
rname: hostmaster.iol.cz
serial: 2024122702
refresh: 900
retry: 3600
expire: 5184000
minimum-ttl: 300

Servidor de Correo
host: o2active.cz
class: IN
ttl: 300
type: MX
pri: 10
target: smtp-in.quick.cz

Información TXT
host: o2active.cz
class: IN
ttl: 300
type: TXT
txt: v=spf1 ip4:194.228.2.91 ip4:194.228.2.92 ip4:194.228.41.112 ~all
entries: Array