Registro DMARC
v=DMARC1; p=none; rua=mailto:db@dbisolutions.net

Registro IPv4
host: dbisolutions.net
class: IN
ttl: 7200
type: A
ip: 208.91.197.27

Servidores DNS Principal (mname) y Secundario (rname)
host: dbisolutions.net
class: IN
ttl: 7200
type: SOA
mname: NS77.WORLDNIC.COM
rname: namehost.WORLDNIC.COM
serial: 122092021
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600