Registro DMARC
v=DMARC1; p=quarantine; rua=mailto:d.rua@singhealthacademy.edu.sg; ruf=mailto:d.ruf@singhealthacademy.edu.sg; fo=1

Registro IPv4
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: A
ip: 172.64.146.219

Registro IPv4
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: A
ip: 104.18.41.37

Servidores DNS Principal (mname) y Secundario (rname)
host: singhealthacademy.edu.sg
class: IN
ttl: 1800
type: SOA
mname: bart.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2357946318
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 1800

Servidor de Correo
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: MX
pri: 10
target: mail21.hmail.sg

Servidor de Correo
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: MX
pri: 10
target: mail11.hmail.sg

Información TXT
host: singhealthacademy.edu.sg
class: IN
ttl: 200
type: TXT
txt: MS=ms73285827
entries: Array

Información TXT
host: singhealthacademy.edu.sg
class: IN
ttl: 200
type: TXT
txt: v=spf1 mx ip4:103.230.232.100 ip4:103.230.234.100 -all
entries: Array

Información TXT
host: singhealthacademy.edu.sg
class: IN
ttl: 200
type: TXT
txt: ZOOM_verify_hUCtxIwtSn6TfwxqlwF0Ww
entries: Array

Información TXT
host: singhealthacademy.edu.sg
class: IN
ttl: 200
type: TXT
txt: adobe-idp-site-verification=60945f640aff29f30f691238f487cab997963493a098add168905a6ff7bd0cba
entries: Array

Registro IPv6
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::ac40:92db

Registro IPv6
host: singhealthacademy.edu.sg
class: IN
ttl: 300
type: AAAA
ipv6: 2606:4700:4400::6812:2925