Registro IPv4
host: sg.sima.edu.sg
class: IN
ttl: 14400
type: A
ip: 103.227.176.21

Servidores DNS Principal (mname) y Secundario (rname)
host: sg.sima.edu.sg
class: IN
ttl: 21600
type: SOA
mname: ns1.a2hosting.com
rname: root.sg1-ts2.a2hosting.com
serial: 2025012601
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

Servidor de Correo
host: sg.sima.edu.sg
class: IN
ttl: 14400
type: MX
pri: 0
target: mail.sg.sima.edu.sg

Información TXT
host: sg.sima.edu.sg
class: IN
ttl: 14400
type: TXT
txt: v=spf1 +a +mx +ip4:85.187.128.34 include:spf.a2hosting.com ~all
entries: Array