Registro DMARC
v=DMARC1; p=none; rua=mailto:dmarc-feedback@sendio.com,mailto:dmarc_agg@vali.email;

Registro IPv4
host: sendio.com
class: IN
ttl: 300
type: A
ip: 172.67.145.168

Registro IPv4
host: sendio.com
class: IN
ttl: 300
type: A
ip: 104.21.57.110

Servidores DNS Principal (mname) y Secundario (rname)
host: sendio.com
class: IN
ttl: 1800
type: SOA
mname: david.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2358107388
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: sendio.com
class: IN
ttl: 120
type: MX
pri: 0
target: esp.sendio.com

Información TXT
host: sendio.com
class: IN
ttl: 300
type: TXT
txt: MS=ms16433775
entries: Array

Información TXT
host: sendio.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=1X1elG-vCHC4yd0MloRjDT8RIZPbmFZwkDs0vANx-2k
entries: Array

Información TXT
host: sendio.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=q9Ir4rjyz_yUsl0WHDZFPHSwy_qjgU15qDxyGhpWn3g
entries: Array

Información TXT
host: sendio.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 mx ip4:207.38.122.36 a:esp.sendio.com include:_spf.salesforce.com include:spf.protection.outlook.com ~all
entries: Array

Registro IPv6
host: sendio.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3036::6815:396e

Registro IPv6
host: sendio.com
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:3032::ac43:91a8