Registro DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc-yahoo-rua@yahoo-inc.com;

Registro IPv4
host: altavista.com
class: IN
ttl: 300
type: A
ip: 13.248.158.7

Registro IPv4
host: altavista.com
class: IN
ttl: 300
type: A
ip: 76.223.84.192

Servidores DNS Principal (mname) y Secundario (rname)
host: altavista.com
class: IN
ttl: 7200
type: SOA
mname: ns-admin.altavista.com
rname: dns-technical.av.com
serial: 2026102301
refresh: 3600
retry: 300
expire: 604800
minimum-ttl: 7200

Servidor de Correo
host: altavista.com
class: IN
ttl: 7200
type: MX
pri: 0
target: