Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc@appliedmathchallenge.org; ruf=mailto:dmarc@appliedmathchallenge.org; adkim=r; aspf=r; pct=100; rf=afrf; ri=86400; sp=quarantine

Registro IPv4
host: appliedmathchallenge.org
class: IN
ttl: 3600
type: A
ip: 212.129.1.128

Servidores DNS Principal (mname) y Secundario (rname)
host: appliedmathchallenge.org
class: IN
ttl: 3600
type: SOA
mname: ns71.cloudns.net
rname: support.cloudns.net
serial: 1909061701
refresh: 7200
retry: 1800
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: appliedmathchallenge.org
class: IN
ttl: 3600
type: MX
pri: 0
target: mx.appliedmathchallenge.org

Información TXT
host: appliedmathchallenge.org
class: IN
ttl: 3600
type: TXT
txt: v=spf1 a:dns.appliedmathchallenge.org ~all
entries: Array