Registro DMARC
v=DMARC1; p=reject; rua=mailto:19ezfriw@ag.dmarcian.com;

Registro IPv4
host: mcdlv.net
class: IN
ttl: 300
type: A
ip: 204.74.99.100

Servidores DNS Principal (mname) y Secundario (rname)
host: mcdlv.net
class: IN
ttl: 21600
type: SOA
mname: pdns177.ultradns.com
rname: dev.mailchimp.com
serial: 2012101719
refresh: 86400
retry: 86400
expire: 86400
minimum-ttl: 86400

Información TXT
host: mcdlv.net
class: IN
ttl: 90
type: TXT
txt: v=spf1 include:servers.mcsv.net -all
entries: Array