Registro DMARC
v=DMARC1; p=none; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

Registro IPv4
host: Att.mx
class: IN
ttl: 535
type: A
ip: 34.196.96.127

Servidores DNS Principal (mname) y Secundario (rname)
host: Att.mx
class: IN
ttl: 536
type: SOA
mname: ns0.attdns.com
rname: eiss-dns.att.com
serial: 2026081901
refresh: 3600
retry: 1800
expire: 2592000
minimum-ttl: 300

Información TXT
host: Att.mx
class: IN
ttl: 537
type: TXT
txt: yp3frz6zgygrs0jmtsqk4pkrqp8xbz7s
entries: Array

Información TXT
host: Att.mx
class: IN
ttl: 537
type: TXT
txt: _qxwvd3vf3d23tswtoy6s6vcj0ijiqvu
entries: Array

Información TXT
host: Att.mx
class: IN
ttl: 537
type: TXT
txt: qn40khnfnj447y670kycy6k4zv02k70r
entries: Array