Registro DMARC
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:postmaster@sheltechbrokerage.com; ruf=mailto:postmaster@sheltechbrokerage.com; rf=afrf; ri=86400; adkim=r; aspf=r; fo=1

Registro IPv4
host: sheltechbrokerage.com
class: IN
ttl: 300
type: A
ip: 103.134.69.3

Servidores DNS Principal (mname) y Secundario (rname)
host: sheltechbrokerage.com
class: IN
ttl: 1800
type: SOA
mname: guy.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2412536452
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: sheltechbrokerage.com
class: IN
ttl: 300
type: MX
pri: 5
target: mail.sheltechbrokerage.com

Servidor de Correo
host: sheltechbrokerage.com
class: IN
ttl: 300
type: MX
pri: 2
target: d302862.b.ess.in.barracudanetworks.com

Servidor de Correo
host: sheltechbrokerage.com
class: IN
ttl: 300
type: MX
pri: 1
target: d302862.a.ess.in.barracudanetworks.com

Información TXT
host: sheltechbrokerage.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +mx include:spf.ess.in.barracudanetworks.com +ip4:120.50.13.172 -all
entries: Array