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

Servidores DNS Principal (mname) y Secundario (rname)
host: sima.edu.sg
class: IN
ttl: 71742
type: SOA
mname: ns1.a2hosting.com
rname: root.sg1-ls1.a2hosting.com
serial: 2026091700
refresh: 3600
retry: 1800
expire: 1209600
minimum-ttl: 86400

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

Información TXT
host: sima.edu.sg
class: IN
ttl: 14400
type: TXT
txt: v=spf1 ip4:103.227.176.21 include:spf.a2hosting.com +a +mx ~all
entries: Array