Registro DMARC
v=DMARC1; p=none; pct=100; rua=mailto:dmarc@fbl.optin.com;

Registro IPv4
host: focusonlens.com
class: IN
ttl: 900
type: A
ip: 216.194.171.244

Servidores DNS Principal (mname) y Secundario (rname)
host: focusonlens.com
class: IN
ttl: 5854
type: SOA
mname: ns1.inmotionhosting.com
rname: systems-notices.inmotionhosting.com
serial: 2026041903
refresh: 86400
retry: 7200
expire: 3600000
minimum-ttl: 86400

Servidor de Correo
host: focusonlens.com
class: IN
ttl: 900
type: MX
pri: 0
target: mail.focusonlens.com

Información TXT
host: focusonlens.com
class: IN
ttl: 900
type: TXT
txt: v=spf1 +mx +a +ip4:216.194.171.244 +include:relay.mailchannels.net ~all
entries: Array