Registro IPv4
host: dbcontractors.com
class: IN
ttl: 900
type: A
ip: 20.72.174.250

Servidores DNS Principal (mname) y Secundario (rname)
host: dbcontractors.com
class: IN
ttl: 7200
type: SOA
mname: NS41.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 124082221
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: dbcontractors.com
class: IN
ttl: 3600
type: MX
pri: 20
target: mail2.dbcontractors.com

Servidor de Correo
host: dbcontractors.com
class: IN
ttl: 3600
type: MX
pri: 10
target: mail.dbcontractors.com