Registro DMARC
v=DMARC1; p=none;

Registro IPv4
host: mycitybusiness.net
class: IN
ttl: 1799
type: A
ip: 63.250.38.17

Servidores DNS Principal (mname) y Secundario (rname)
host: mycitybusiness.net
class: IN
ttl: 3601
type: SOA
mname: dns1.registrar-servers.com
rname: hostmaster.registrar-servers.com
serial: 1720970905
refresh: 43200
retry: 3600
expire: 604800
minimum-ttl: 3601