Registro DMARC
v=spf1 +a +mx +a:www.nationalscholastic.org -all

Registro DMARC
v=spf1 +a +mx +a:www.nationalscholastic.org -all

Registro IPv4
host: nationalscholastic.org
class: IN
ttl: 3600
type: A
ip: 64.91.238.44

Servidores DNS Principal (mname) y Secundario (rname)
host: nationalscholastic.org
class: IN
ttl: 3600
type: SOA
mname: ns.liquidweb.com
rname: admin.liquidweb.com
serial: 2021050201
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 14400

Servidor de Correo
host: nationalscholastic.org
class: IN
ttl: 3600
type: MX
pri: 0
target: ASPMX.L.GOOGLE.COM

Información TXT
host: nationalscholastic.org
class: IN
ttl: 600
type: TXT
txt: v=spf1 a mx ~all
entries: Array

Información TXT
host: nationalscholastic.org
class: IN
ttl: 600
type: TXT
txt: v=spf1 +a +mx +a:www.nationalscholastic.org -all
entries: Array