Registro DMARC
v=DMARC1; p=quarantine; pct=100; rua=mailto:hello@bsb-mfg.com,mailto:re+nogjrjgfkfd@dmarc.postmarkapp.com; aspf=r; adkim=r;

Servidores DNS Principal (mname) y Secundario (rname)
host: bsb-mfg.com
class: IN
ttl: 1800
type: SOA
mname: mario.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2410142802
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: bsb-mfg.com
class: IN
ttl: 600
type: MX
pri: 10
target: mx.zoho.com

Servidor de Correo
host: bsb-mfg.com
class: IN
ttl: 600
type: MX
pri: 50
target: mx3.zoho.com

Servidor de Correo
host: bsb-mfg.com
class: IN
ttl: 600
type: MX
pri: 20
target: mx2.zoho.com

Información TXT
host: bsb-mfg.com
class: IN
ttl: 300
type: TXT
txt: zoho-verification=zb25231144.zmverify.zoho.com
entries: Array

Información TXT
host: bsb-mfg.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 include:zohomail.com include:spf.mtasv.net ~all
entries: Array