Registro DMARC
v=DMARC1; p=none; rua=mailto:postmaster@bd-server.com

Registro IPv4
host: bd-server.com
class: IN
ttl: 600
type: A
ip: 185.192.111.90

Servidores DNS Principal (mname) y Secundario (rname)
host: bd-server.com
class: IN
ttl: 3600
type: SOA
mname: ns1.bd-server.com
rname: admin.bd-server.com
serial: 2013102096
refresh: 5400
retry: 3600
expire: 1209600
minimum-ttl: 300

Información TXT
host: bd-server.com
class: IN
ttl: 600
type: TXT
txt: v=spf1 mx a -all
entries: Array