Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:quarantine@fundamentals.lu; ruf=mailto:quarantine@fundamentals.lu

Registro IPv4
host: fundamentals.com
class: IN
ttl: 3600
type: A
ip: 20.79.107.13

Servidores DNS Principal (mname) y Secundario (rname)
host: fundamentals.com
class: IN
ttl: 16942
type: SOA
mname: ns1.eurodns.com
rname: hostmaster.eurodns.com
serial: 2026050602
refresh: 43200
retry: 7200
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: fundamentals.com
class: IN
ttl: 3600
type: MX
pri: 0
target: fundamentals-com.mail.protection.outlook.com

Información TXT
host: fundamentals.com
class: IN
ttl: 3600
type: TXT
txt: MS=ms79907915
entries: Array

Información TXT
host: fundamentals.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array