Registro DMARC
v=DMARC1; p=reject; rua=mailto:noreply@b2s.com.sg; adkim=r; aspf=r; pct=100; rf=afrf; ri=300;

Registro IPv4
host: b2s.com.sg
class: IN
ttl: 300
type: A
ip: 200.69.22.169

Servidores DNS Principal (mname) y Secundario (rname)
host: b2s.com.sg
class: IN
ttl: 1800
type: SOA
mname: elias.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2350260949
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: b2s.com.sg
class: IN
ttl: 300
type: MX
pri: 5
target: alt2.aspmx.l.google.com

Servidor de Correo
host: b2s.com.sg
class: IN
ttl: 300
type: MX
pri: 10
target: alt4.aspmx.l.google.com

Servidor de Correo
host: b2s.com.sg
class: IN
ttl: 300
type: MX
pri: 5
target: alt1.aspmx.l.google.com

Servidor de Correo
host: b2s.com.sg
class: IN
ttl: 300
type: MX
pri: 1
target: aspmx.l.google.com

Servidor de Correo
host: b2s.com.sg
class: IN
ttl: 300
type: MX
pri: 10
target: alt3.aspmx.l.google.com

Información TXT
host: b2s.com.sg
class: IN
ttl: 300
type: TXT
txt: google-site-verification=3YIPMyWMkh-82RyHrfIsg61jx3r08z1_ONu67afQbH8
entries: Array

Información TXT
host: b2s.com.sg
class: IN
ttl: 300
type: TXT
txt: v=spf1 +include:_spf.google.com ~all
entries: Array