Registro DMARC
v=DMARC1; p=reject

Registro IPv4
host: alterpolis.it
class: IN
ttl: 300
type: A
ip: 46.252.154.17

Servidores DNS Principal (mname) y Secundario (rname)
host: alterpolis.it
class: IN
ttl: 3600
type: SOA
mname: dns1.netsons.net
rname: admin.netsons.com
serial: 2026040312
refresh: 3600
retry: 2400
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: alterpolis.it
class: IN
ttl: 300
type: MX
pri: 10
target: mail.protonmail.ch

Servidor de Correo
host: alterpolis.it
class: IN
ttl: 300
type: MX
pri: 20
target: mailsec.protonmail.ch

Información TXT
host: alterpolis.it
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:_spf.protonmail.ch +a +mx ~all
entries: Array

Información TXT
host: alterpolis.it
class: IN
ttl: 300
type: TXT
txt: protonmail-verification=e3c12169c7f1e96087d1fbf8f31876f9a65fb5ab
entries: Array