Registro DMARC
v=DMARC1; p=reject; adkim=s; aspf=s;

Registro IPv4
host: singpromos.com
class: IN
ttl: 300
type: A
ip: 172.67.132.21

Registro IPv4
host: singpromos.com
class: IN
ttl: 300
type: A
ip: 104.21.4.126

Servidores DNS Principal (mname) y Secundario (rname)
host: singpromos.com
class: IN
ttl: 199
type: SOA
mname: erin.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2416833473
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: singpromos.com
class: IN
ttl: 300
type: MX
pri: 3
target: jim.singpromos.com

Información TXT
host: singpromos.com
class: IN
ttl: 300
type: TXT
txt: v=spf1 +a +mx +ip4:15.235.140.237 -all
entries: 

Información TXT
host: singpromos.com
class: IN
ttl: 300
type: TXT
txt: google-site-verification=ooYuoNdr6PTqsULvdTfi-Al_9Cg0OghwA6SJ6wd9GY8
entries: