Registro DMARC
v=DMARC1;p=none;pct=100;rua=mailto:postmaster@gtctelecom.vn

Registro IPv4
host: gtctelecom.vn
class: IN
ttl: 3600
type: A
ip: 103.226.248.135

Servidores DNS Principal (mname) y Secundario (rname)
host: gtctelecom.vn
class: IN
ttl: 3600
type: SOA
mname: ns1.zonedns.vn
rname: root.gtctelecom.vn
serial: 2025022805
refresh: 1200
retry: 600
expire: 1209600
minimum-ttl: 3600

Servidor de Correo
host: gtctelecom.vn
class: IN
ttl: 300
type: MX
pri: 5
target: ALT2.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gtctelecom.vn
class: IN
ttl: 300
type: MX
pri: 5
target: ALT1.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gtctelecom.vn
class: IN
ttl: 300
type: MX
pri: 1
target: ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gtctelecom.vn
class: IN
ttl: 300
type: MX
pri: 10
target: ALT4.ASPMX.L.GOOGLE.COM

Servidor de Correo
host: gtctelecom.vn
class: IN
ttl: 300
type: MX
pri: 10
target: ALT3.ASPMX.L.GOOGLE.COM

Información TXT
host: gtctelecom.vn
class: IN
ttl: 300
type: TXT
txt: google-site-verification=hvB8m0QONmLfCjqJcl3P09lVLzZaBDV4M22DNVzvz6w
entries: Array

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