Registro DMARC
v=spf1 ip4:108.179.24.66 ip4:74.220.88.191 ip4:74.220.80.191 ip4:74.220.88.192 ip4:74.220.80.137 ip4:74.220.80.138 ip4:74.220.88.137 include:spf.elephantoutlook.com include:backstopsolutions.com -all

Registro IPv4
host: starwooddevelopment.com
class: IN
ttl: 7200
type: A
ip: 208.91.197.128

Servidores DNS Principal (mname) y Secundario (rname)
host: starwooddevelopment.com
class: IN
ttl: 7200
type: SOA
mname: NS23.WORLDNIC.com
rname: namehost.WORLDNIC.com
serial: 115072812
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 3600

Servidor de Correo
host: starwooddevelopment.com
class: IN
ttl: 7200
type: MX
pri: 10
target: server21.appriver.com

Servidor de Correo
host: starwooddevelopment.com
class: IN
ttl: 7200
type: MX
pri: 20
target: server22.appriver.com