Untuk tugas II3062 Keamanan Informasi kali ini terkait dengan DNS (Domain Name System). Rinciannya sebagai berikut:

1. Anda diminta untuk mencari pemilik dari domain detik.com melalui whois. (Sebagai tambahan, Anda bisa melihat apakah name server-nya sama dengan yang ada jika di-query dengan nslookup.
2. Berapa banyak domain tingkat 4 (4th level domain) di itb.ac.id dan buat daftarnya. (Yang perlu Anda cari hanya yang *.itb.ac.id.) Tools apa yang Anda gunakan?

Untuk soal yang pertama, menggunakan whois.com, didapat hasil sebagai berikut:

Registrant:
Siberkom, PT. Agranet Multicitra
Aldevco Octagon Building lt 2
Jl. Warung Buncit Raya 75
Jakarta, DKI Jakarta 12740
IN

Domain Name: DETIK.COM

Administrative Contact, Technical Contact:
Siberkom, PT. Agranet Multicitra
Aldevco Octagon Building lt 2
Jl. Warung Buncit Raya 75
Jakarta, DKI Jakarta 12740
IN
+62 21 7941177 fax: +62 21 7941176

Record expires on 28-May-2011.
Record created on 13-May-2004.

Domain servers in listed order:

NS1.DUNIADETIK.COM
NS1.DETIK.NET.ID

Untuk soal kedua, tools yang digunakan adalah UNIX terminal pada putty dan MAC OS, dengan menggunakan perintah host -l itb.ac.id. Didapat hasil sebanyak 487 domain tingkat 4 dengan rincian sebagai berikut:

8eh.itb.ac.id
aaei.itb.ac.id
academic.itb.ac.id
ae.itb.ac.id
ai3.itb.ac.id
ai3-indonesia-ether.itb.ac.id
akademik.itb.ac.id
alumni.itb.ac.id
antivirus.itb.ac.id
antivirus-ng.itb.ac.id
antivirus-slb.itb.ac.id
antivirus2.itb.ac.id
apache2006.itb.ac.id
apccas2002.itb.ac.id
ar.itb.ac.id
arc.itb.ac.id
arsip.itb.ac.id
art.itb.ac.id
as.itb.ac.id
astronomi.itb.ac.id
astronomy.itb.ac.id
aula-tmr.itb.ac.id
baak.itb.ac.id
backup-hosting.itb.ac.id
backup-mx.itb.ac.id
bangda.itb.ac.id
berkala.itb.ac.id
bi.itb.ac.id
billing.itb.ac.id
billing-ng.itb.ac.id
biomed.itb.ac.id
biostrat.itb.ac.id
biotech.itb.ac.id
blendedlearning.itb.ac.id
blogs.itb.ac.id
bmg.itb.ac.id
bosscha.itb.ac.id
builder.itb.ac.id
cache.itb.ac.id
cache1.itb.ac.id
cache2.itb.ac.id
cache3.itb.ac.id
cache4.itb.ac.id
cache6.itb.ac.id
calonadmin.itb.ac.id
cam.itb.ac.id
campuschannel.itb.ac.id
cas.itb.ac.id
cbsed.itb.ac.id
ccar.itb.ac.id
che.itb.ac.id
chem.itb.ac.id
cisco-dialin1.itb.ac.id
cisco-dialin10.itb.ac.id
cisco-dialin11.itb.ac.id
cisco-dialin12.itb.ac.id
cisco-dialin13.itb.ac.id
cisco-dialin14.itb.ac.id
cisco-dialin2.itb.ac.id
cisco-dialin3.itb.ac.id
cisco-dialin4.itb.ac.id
cisco-dialin5.itb.ac.id
cisco-dialin6.itb.ac.id
cisco-dialin7.itb.ac.id
cisco-dialin8.itb.ac.id
cisco-dialin9.itb.ac.id
cisco-en.itb.ac.id
cisco-en-en.itb.ac.id
cnrg.itb.ac.id
cnrg-lib.itb.ac.id
cnrg1.itb.ac.id
cnrglab.itb.ac.id
comlabs.itb.ac.id
commodo.itb.ac.id
compscience.itb.ac.id
course.itb.ac.id
cre.itb.ac.id
crep.itb.ac.id
crs.itb.ac.id
cvsup.itb.ac.id
cyberlib.itb.ac.id
da.itb.ac.id
datacenter.itb.ac.id
db.itb.ac.id
dcpusat.itb.ac.id
dev6.itb.ac.id
dews.itb.ac.id
dies50-challenge.itb.ac.id
diesemas.itb.ac.id
dimas.itb.ac.id
dipa.itb.ac.id
dirdikpp.itb.ac.id
distancE-courses.itb.ac.id
distantlearning.itb.ac.id
ditdik.itb.ac.id
ditkeu.itb.ac.id
dkv.itb.ac.id
dl.itb.ac.id
dlo.itb.ac.id
dlomail.itb.ac.id
dnsadm.itb.ac.id
dokodemo.itb.ac.id
dp.itb.ac.id
e-course.itb.ac.id
ebs.itb.ac.id
ee.itb.ac.id
eii.itb.ac.id
eis.itb.ac.id
ejournal.itb.ac.id
el92.itb.ac.id
endowmentfund.itb.ac.id
epsdl.itb.ac.id
ergo.itb.ac.id
ezmlm-web.itb.ac.id
fa.itb.ac.id
faraday.itb.ac.id
fi.itb.ac.id
fitb.itb.ac.id
fmb.itb.ac.id
fmipa.itb.ac.id
forum.itb.ac.id
fsrd.itb.ac.id
fti.itb.ac.id
ftmd.itb.ac.id
ftp.itb.ac.id
ftpsearch.itb.ac.id
ftsl.itb.ac.id
ftsp.itb.ac.id
fttm.itb.ac.id
gallery.itb.ac.id
gamais.itb.ac.id
ganeca2.itb.ac.id
ganechat.itb.ac.id
ganesha.itb.ac.id
ganeshatv.itb.ac.id
gate-vhf.itb.ac.id
gc.itb.ac.id
gcca.itb.ac.id
gd.itb.ac.id
gdl.itb.ac.id
geoaplika.itb.ac.id
geoph.itb.ac.id
geothermal.itb.ac.id
gerbang.itb.ac.id
gf.itb.ac.id
graphics.itb.ac.id
grid.itb.ac.id
groups.itb.ac.id
gw-hf.itb.ac.id
gw-paume.itb.ac.id
hayati.itb.ac.id
hitbox.itb.ac.id
hosting.itb.ac.id
humas.itb.ac.id
hydraulic.itb.ac.id
ic-design.itb.ac.id
icpco2007.itb.ac.id
ictmp.itb.ac.id
idln.itb.ac.id
ied.itb.ac.id
if.itb.ac.id
IIE.itb.ac.id
iiwas2002.itb.ac.id
im.itb.ac.id
imhere.itb.ac.id
ims.itb.ac.id
indonesia-itb-ether.itb.ac.id
inkubator.itb.ac.id
ins.itb.ac.id
instrument.itb.ac.id
interior.itb.ac.id
intermedia.itb.ac.id
iom.itb.ac.id
ipr.itb.ac.id
ipv6.itb.ac.id
isnet.itb.ac.id
isrg.itb.ac.id
ITB-bosscha.itb.ac.id
itb-inherent.itb.ac.id
itb1-v6-router.itb.ac.id
itb2-v6-router.itb.ac.id
itb3-v6-router.itb.ac.id
itb4-v6-router.itb.ac.id
itb5-v6-router.itb.ac.id
itbfair2010.itb.ac.id
itbgtw.itb.ac.id
itforum.itb.ac.id
ithelpdesk.itb.ac.id
jaktri.itb.ac.id
jica-project.itb.ac.id
jira.itb.ac.id
jomar.itb.ac.id
kabinet-km.itb.ac.id
kaderisasi-admin.itb.ac.id
kamus.itb.ac.id
kantorwrma.itb.ac.id
kealumnian.itb.ac.id
kemitraan.itb.ac.id
kepegawaian.itb.ac.id
kinerja.itb.ac.id
kkp.itb.ac.id
km.itb.ac.id
kmrg.itb.ac.id
kolaborasi.itb.ac.id
komunitasfisika.itb.ac.id
koperasi.itb.ac.id
kppwk.itb.ac.id
kria-sr.itb.ac.id
kuliah.itb.ac.id
labs.itb.ac.id
LabtekV-Cat6-GEC-1.itb.ac.id
LabtekV-Cat6-GEC-3.itb.ac.id
LabtekV-Cat6-Lo-0.itb.ac.id
LabtekV-Cat6-Mgmt.itb.ac.id
LabtekVIII-Cat6-GE3-4.itb.ac.id
LabtekVIII-Cat6-GEC-1.itb.ac.id
LabtekVIII-Cat6-Lo-0.itb.ac.id
LabtekVIII-Cat6-Mgmt.itb.ac.id
LabtekVIII-Cat6-NS3-FE4-2.itb.ac.id
langit.itb.ac.id
lapi.itb.ac.id
lb1-mx.itb.ac.id
lc.itb.ac.id
ldap.itb.ac.id
ldap-ng.itb.ac.id
lib.itb.ac.id
library.itb.ac.id
lms-inherent.itb.ac.id
localhost.itb.ac.id
loedroek.itb.ac.id
logger.itb.ac.id
logger-ng.itb.ac.id
logistics-center.itb.ac.id
logistik.itb.ac.id
lp.itb.ac.id
lpadrc.itb.ac.id
lpkm.itb.ac.id
lpm.itb.ac.id
lppm.itb.ac.id
lss.itb.ac.id
lumbung1.itb.ac.id
lumbung2.itb.ac.id
lumbung3.itb.ac.id
m.itb.ac.id
mailadm.itb.ac.id
mailadm-ng.itb.ac.id
maisy.itb.ac.id
maroon.itb.ac.id
material.itb.ac.id
math.itb.ac.id
maxwell.itb.ac.id
mba.itb.ac.id
mcp-books.itb.ac.id
mesin.itb.ac.id
metallurgy.itb.ac.id
mgb.itb.ac.id
Mgmt.itb.ac.id
mic.itb.ac.id
migrasi.itb.ac.id
mining.itb.ac.id
mirror.itb.ac.id
mirror-ng.itb.ac.id
mlearning.itb.ac.id
mm.itb.ac.id
monitoring.itb.ac.id
monitoringv2.itb.ac.id
ms.itb.ac.id
mti.itb.ac.id
multimedia.itb.ac.id
mx.itb.ac.id
mx-in.itb.ac.id
mx0.itb.ac.id
mx1.itb.ac.id
mx1-new.itb.ac.id
mx1a.itb.ac.id
mx2.itb.ac.id
mx3.itb.ac.id
mx3a.itb.ac.id
mx4.itb.ac.id
mx4a.itb.ac.id
mx5.itb.ac.id
mx6.itb.ac.id
mx7.itb.ac.id
newsadmin.itb.ac.id
nic.itb.ac.id
nic-ng.itb.ac.id
nicadm.itb.ac.id
nicadm1.itb.ac.id
nii.itb.ac.id
ninja-hattori.itb.ac.id
noc-ccar.itb.ac.id
noc-sps.itb.ac.id
ns-new.itb.ac.id
ns1.itb.ac.id
ns1b.itb.ac.id
ns2.itb.ac.id
ns3.itb.ac.id
ns4.itb.ac.id
nt.itb.ac.id
ntp.itb.ac.id
ocean.itb.ac.id
oceanography.itb.ac.id
oecd.itb.ac.id
ohu2007.itb.ac.id
old-ganesha.itb.ac.id
old-students.itb.ac.id
olimpiade2007.itb.ac.id
opencores.itb.ac.id
order.itb.ac.id
owb.itb.ac.id
p2p-fsrd-to-arsi.itb.ac.id
p2par.itb.ac.id
p2t.itb.ac.id
packetscanner.itb.ac.id
PAU-Cat6-FE4-1.itb.ac.id
PAU-Cat6-FE4-7.itb.ac.id
PAU-Cat6-GE2-6.itb.ac.id
PAU-Cat6-GE2-7.itb.ac.id
PAU-Cat6-GE2-8.itb.ac.id
PAU-Cat6-GE3-1.itb.ac.id
PAU-Cat6-GE3-2.itb.ac.id
PAU-Cat6-GE3-4.itb.ac.id
PAU-Cat6-GEC-1.itb.ac.id
PAU-Cat6-GEC-2.itb.ac.id
PAU-Cat6-Lo-0.itb.ac.id
PAU-Cat6-Mgmt.itb.ac.id
pau-cat6k-vlan6.itb.ac.id
paubt.itb.ac.id
pauir.itb.ac.id
paume.itb.ac.id
pcd.itb.ac.id
penerbit.itb.ac.id
pengungsian.itb.ac.id
perencanaan.itb.ac.id
petakampus.itb.ac.id
phys.itb.ac.id
pilrek2010.itb.ac.id
pinri.itb.ac.id
pinteraktif.itb.ac.id
pl.itb.ac.id
placeof.itb.ac.id
pmb.itb.ac.id
pmo.itb.ac.id
pn.itb.ac.id
portal.itb.ac.id
poss.itb.ac.id
power.itb.ac.id
powernoc.itb.ac.id
ppk.itb.ac.id
ppkpl.itb.ac.id
ppms.itb.ac.id
pps.itb.ac.id
ppt.itb.ac.id
pptik.itb.ac.id
premium.itb.ac.id
pringgapuk.itb.ac.id
profil-kaderisasi.itb.ac.id
prohil.itb.ac.id
proyek.itb.ac.id
psda.itb.ac.id
psdi.itb.ac.id
pusat.itb.ac.id
pusat-lama.itb.ac.id
pusat2.itb.ac.id
puslog.itb.ac.id
pwk.itb.ac.id
R11.itb.ac.id
ra01b.itb.ac.id
ra02.itb.ac.id
ra11.itb.ac.id
RA12.itb.ac.id
ra13.itb.ac.id
ra5.itb.ac.id
radio-net.itb.ac.id
radius.itb.ac.id
rapidshare.itb.ac.id
rbl.itb.ac.id
rbn.itb.ac.id
rbn1.itb.ac.id
rcmeae.itb.ac.id
register.itb.ac.id
rektorkita.itb.ac.id
relasialumni.itb.ac.id
rict.itb.ac.id
rusnas-cf.itb.ac.id
s.itb.ac.id
sa.itb.ac.id
sac-en.itb.ac.id
salman.itb.ac.id
samba.itb.ac.id
sampoernasbm.itb.ac.id
sappk.itb.ac.id
sastra.itb.ac.id
satpam.itb.ac.id
sbm.itb.ac.id
sbm-baru.itb.ac.id
scout.itb.ac.id
sdm.itb.ac.id
server3.itb.ac.id
si.itb.ac.id
sia.itb.ac.id
siaman.itb.ac.id
sibf2008.itb.ac.id
singalodra.itb.ac.id
sipx.itb.ac.id
sisfoperencanaan.itb.ac.id
siskeu.itb.ac.id
siskeu01.itb.ac.id
sismik.itb.ac.id
sispran.itb.ac.id
sispran2.itb.ac.id
sith.itb.ac.id
skd.itb.ac.id
snmptn.itb.ac.id
soemardja.itb.ac.id
soi.itb.ac.id
soi-proxy.itb.ac.id
soi-router.itb.ac.id
soi-server.itb.ac.id
sostek.itb.ac.id
sp.itb.ac.id
spe.itb.ac.id
spns.itb.ac.id
ssdk.itb.ac.id
staff.itb.ac.id
stat.itb.ac.id
stei.itb.ac.id
students.itb.ac.id
students-ng.itb.ac.id
suk.itb.ac.id
svnserver.itb.ac.id
sysapp.itb.ac.id
TeknologiInformasi.itb.ac.id
telecommunication.itb.ac.id
telekomunikasi.itb.ac.id
telematic.itb.ac.id
telepondigital.itb.ac.id
tf.itb.ac.id
thinclient.itb.ac.id
ti.itb.ac.id
tl.itb.ac.id
tm.itb.ac.id
tpb.itb.ac.id
transport.itb.ac.id
u2l.itb.ac.id
uka.itb.ac.id
ukp.itb.ac.id
unisispran.itb.ac.id
unit.itb.ac.id
upi.itb.ac.id
uptor.itb.ac.id
urpa.itb.ac.id
usdi.itb.ac.id
usdi-imhere.itb.ac.id
usdi-reps.itb.ac.id
usm.itb.ac.id
vclass.itb.ac.id
vic-rat.itb.ac.id
video.itb.ac.id
virtual-university.itb.ac.id
vlsi.itb.ac.id
vpn.itb.ac.id
vproject.itb.ac.id
waveLAN-disnak.itb.ac.id
WaveLAN-DisNak-ITB.itb.ac.id
wavelan-ikip.itb.ac.id
WaveLAN-ITB-Lapan.itb.ac.id
WaveLAN-ITB-midc.itb.ac.id
waveLAN-ITB-RadNet.itb.ac.id
WaveLAN-ITB-Unisba.itb.ac.id
waveLAN-RadNet-ITB.itb.ac.id
waveLAN-ypkp.itb.ac.id
web.itb.ac.id
webhosting.itb.ac.id
webkampus.itb.ac.id
webservices-sispran.itb.ac.id
whois.itb.ac.id
windowsupdate.itb.ac.id
wrks.itb.ac.id
wrm.itb.ac.id
http://www.itb.ac.id
www1.itb.ac.id
www2.itb.ac.id
www3.itb.ac.id
x.itb.ac.id
xxx.itb.ac.id
zimbra.itb.ac.id