Registro DMARC
v=DMARC1; p=reject; adkim=r; aspf=s; pct=100;

Registro IPv4
host: longtech.com.vn
class: IN
ttl: 69658
type: A
ip: 35.76.7.211

Servidores DNS Principal (mname) y Secundario (rname)
host: longtech.com.vn
class: IN
ttl: 13204
type: SOA
mname: vdc-hn01.vnn.vn
rname: postmaster.vnn.vn
serial: 2022062202
refresh: 10800
retry: 3600
expire: 604800
minimum-ttl: 86400

Servidor de Correo
host: longtech.com.vn
class: IN
ttl: 13205
type: MX
pri: 10
target: mx9253.maychuemail.net

Servidor de Correo
host: longtech.com.vn
class: IN
ttl: 13205
type: MX
pri: 5
target: mail24453.maychuemail.com

Información TXT
host: longtech.com.vn
class: IN
ttl: 69711
type: TXT
txt: v=spf1 +a +mx +ip4:112.213.92.53 +ip4:123.30.244.53 ~all
entries: Array