Registro DMARC
v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:dmarc-rua@dmarctest.comcast.net

Registro IPv4
host: xfinity.com
class: IN
ttl: 300
type: A
ip: 96.99.240.130

Servidores DNS Principal (mname) y Secundario (rname)
host: xfinity.com
class: IN
ttl: 7200
type: SOA
mname: dns101.comcast.net
rname: dnsadmin.comcast.net
serial: 2015041621
refresh: 7200
retry: 3600
expire: 604800
minimum-ttl: 900

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx2a1.comcast.net

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx2c1.comcast.net

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx1c1.comcast.net

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx1h1.comcast.net

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx1a1.comcast.net

Servidor de Correo
host: xfinity.com
class: IN
ttl: 7200
type: MX
pri: 5
target: mx2h1.comcast.net

Información TXT
host: xfinity.com
class: IN
ttl: 6767
type: TXT
txt: v=spf1 redirect=comcast.net
entries: Array

Información TXT
host: xfinity.com
class: IN
ttl: 6767
type: TXT
txt: google-site-verification=jbytp59dW82AQqr9wK5V9-uZhr0wXrCJ7n9U3mUilQg
entries: Array

Información TXT
host: xfinity.com
class: IN
ttl: 6767
type: TXT
txt: google-site-verification=KqEt_C6gzuYBzr08xM7T6e5yXNmsxUAMu8ZtNQejaCs
entries: Array

Registro IPv6
host: xfinity.com
class: IN
ttl: 300
type: AAAA
ipv6: 2001:558:feed:dc:96:99:240:130