Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s; ruf=mailto:postmaster@mailcore.com; fo=1; sp=reject

Registro IPv4
host: email.it
class: IN
ttl: 300
type: A
ip: 167.99.248.199

Servidores DNS Principal (mname) y Secundario (rname)
host: email.it
class: IN
ttl: 1800
type: SOA
mname: sage.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2393738109
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: email.it
class: IN
ttl: 300
type: MX
pri: 10
target: mx.dka.mailcore.net

Información TXT
host: email.it
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:spf.mailcore.net include:mail.zendesk.com include:sendgrid.net -all
entries: Array

Información TXT
host: email.it
class: IN
ttl: 300
type: TXT
txt: google-site-verification=B6qFxkkI-LoRGxmCVusO0SjpzJrxK6RQ59V3s4XsENw
entries: Array

Información TXT
host: email.it
class: IN
ttl: 300
type: TXT
txt: google-site-verification=-AbuEQmXj7BlD-m6cigmCYXEM8va_fIikiJNSb73Rzw
entries: Array

Información TXT
host: email.it
class: IN
ttl: 300
type: TXT
txt: google-site-verification=_aFtCXbEk9T93qUtHQ3-InApE-RBqq7dYfxn4BxPaCU
entries: Array