Registro DMARC
v=DMARC1; p=none; sp=none; rua=mailto:spam-reports@thaischool2.in.th

Registro IPv4
host: spk200.ac.th
class: IN
ttl: 300
type: A
ip: 104.21.75.203

Registro IPv4
host: spk200.ac.th
class: IN
ttl: 300
type: A
ip: 172.67.181.86

Servidores DNS Principal (mname) y Secundario (rname)
host: spk200.ac.th
class: IN
ttl: 1800
type: SOA
mname: otto.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2412126500
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: spk200.ac.th
class: IN
ttl: 300
type: MX
pri: 10
target: mail.thaischool2.in.th

Información TXT
host: spk200.ac.th
class: IN
ttl: 300
type: TXT
txt: v=spf1 a mx ip4:103.52.108.135 ~all
entries: Array