Registro DMARC
v=DMARC1; p=none; fo=1; rua=mailto:mlbcyber-d@dmarc.report-uri.com,mailto:dmarc_agg@vali.email;

Registro IPv4
host: Mlb.tv
class: IN
ttl: 335
type: A
ip: 34.102.169.19

Servidores DNS Principal (mname) y Secundario (rname)
host: mlb.tv
class: IN
ttl: 7371
type: SOA
mname: ns-cloud-b1.googledomains.com
rname: cloud-dns-hostmaster.google.com
serial: 1
refresh: 21600
retry: 3600
expire: 259200
minimum-ttl: 300