Registro IPv4
host: healthprofessionals.gov.sg
class: IN
ttl: 1200
type: A
ip: 35.201.83.130

Servidores DNS Principal (mname) y Secundario (rname)
host: healthprofessionals.gov.sg
class: IN
ttl: 900
type: SOA
mname: gccin3psicnsp01.sgnet.gov.sg
rname: root.pridns.gov.sg
serial: 2012043221
refresh: 10800
retry: 1080
expire: 2419200
minimum-ttl: 900