Registro DMARC
v=DMARC1;p=quarantine;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

Registro IPv4
host: amexpressinc.com
class: IN
ttl: 600
type: A
ip: 198.185.159.145

Registro IPv4
host: amexpressinc.com
class: IN
ttl: 600
type: A
ip: 198.49.23.145

Registro IPv4
host: amexpressinc.com
class: IN
ttl: 600
type: A
ip: 198.49.23.144

Registro IPv4
host: amexpressinc.com
class: IN
ttl: 600
type: A
ip: 198.185.159.144

Servidores DNS Principal (mname) y Secundario (rname)
host: amexpressinc.com
class: IN
ttl: 3600
type: SOA
mname: ns45.domaincontrol.com
rname: dns.jomax.net
serial: 2022102700
refresh: 28800
retry: 7200
expire: 604800
minimum-ttl: 600

Servidor de Correo
host: amexpressinc.com
class: IN
ttl: 3600
type: MX
pri: 0
target: amexpressinc-com.mail.protection.outlook.com

Información TXT
host: amexpressinc.com
class: IN
ttl: 3600
type: TXT
txt: v=spf1 include:spf.protection.outlook.com -all
entries: Array