Registro DMARC
v=DMARC1;p=reject;fo=1;rua=mailto:dmarc_agg@auth.returnpath.net;ruf=mailto:dmarc_afrf@auth.returnpath.net

Registro IPv4
host: americanexpress.com
class: IN
ttl: 90
type: A
ip: 23.204.238.82

Servidores DNS Principal (mname) y Secundario (rname)
host: americanexpress.com
class: IN
ttl: 21600
type: SOA
mname: a1-196.akam.net
rname: dns.aexp.com
serial: 269387
refresh: 3600
retry: 900
expire: 2419200
minimum-ttl: 300

Servidor de Correo
host: americanexpress.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx0b-0023b801.pphosted.com

Servidor de Correo
host: americanexpress.com
class: IN
ttl: 300
type: MX
pri: 10
target: mx0a-0023b801.pphosted.com

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: iI4t08IsaGI0nwiRkjvUTj2bsVpTUbgIg6BNm0aPMzI=
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: 00d4w000001wvb0uag
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: google-site-verification=EQlwnW4GMge07fKpyFPTHu5nWUdHGAJDmrUmB8bhi5g
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: apple-domain-verification=TX9__9cGbRTolbaJRZ94euAiIGHkz6b6a1_7cy_bGk8
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: facebook-domain-verification=5t5jnj7o0bh7cf6h2pxxjwg0ltlw3j
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: vjkdhsiomklp
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: facebook-domain-verification=1iv6o6lnefss8petsvgqew0cafqz6p
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: v=spf1 ip4:63.241.217.23 ip4:74.125.149.0/24 ip4:74.125.150.0/24 ip4:66.119.44.14 ip4:66.119.44.13 ip4:66.244.67.0/24 ip4:199.3.18.4 ip4:148.173.88.0/26 ip4:148.173.96.128/26 -all
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: OSSRH-61504
entries: Array

Información TXT
host: americanexpress.com
class: IN
ttl: 21600
type: TXT
txt: 00da0000000hlilma4
entries: Array