go
ns4.cypack.com has one IP number. mail.qzi.net, mail.uzza.com, mail.noxa.com, mail.tg4u.com, mail.nioi.net and at least 100 other hosts point to the same IP. asd.kr, 82.net, fast.vn, kiss.vn, v000.com and at least 100 other hosts use this as a nameserver. cypack.com is a domain controlled by two nameservers at cypack.com themselves. They are on the same IP network. Incoming mail for cypack.com is handled by one mailserver also at cypack.com. cypack.com has one IP number. ns4.cypack.com is hosted on a server in Korea.

ns4.cypack.com
a records
 
+ 202.31.186.55 202.31.186.0/24 AS3786  
+ ---  

cypack.com
a records
 
+ 202.31.186.50 202.31.186.0/24 AS3786  
+ ---  
ns-soa records
ns.cypack.com
+ 202.31.186.209 202.31.186.0/24 AS3786 idns.i-names.co.kr
+ --- idns.i-names.co.kr
ns records
ns.cypack.com
+ 202.31.186.209 202.31.186.0/24 AS3786 idns.i-names.co.kr
+ --- idns.i-names.co.kr
ns2.cypack.com
+ 202.31.186.206 202.31.186.0/24 AS3786 ns2.internetnames.or.kr
+ --- ns2.internetnames.or.kr
mx records
mail.cypack.com
+ 211.55.76.124 211.54.0.0/15 AS4766  
+ ---  
ip numbers of host
202.31.186.55
hostnames sharing ip with a-records
mail.8949.net
mail.aflower.net
mail.aisadesign.com
mail.arap.net
mail.artmobil.com
mail.asiacasino.net
mail.baocongantphcm.com.vn
mail.bartercorp.com
mail.biotv.net
mail.bjkorea.com
mail.busy4you.com
mail.buydomain.net
mail.caption.net
mail.careerpath.net
mail.cgisystems.com
mail.compustar.net
mail.crazyenglish.co.kr
mail.cybercollege.net
mail.cybers.net
mail.cyberspace.net
mail.cymax.net
mail.dbmedia.net
mail.dc4you.com
mail.designersbox.com
mail.dnshop.net
mail.enail.net
mail.enamel.net
mail.f1net.net
mail.facer.net
mail.fireball.net
mail.freesia.net
mail.geosoft.net
mail.gobeijing.net
mail.goldfox.net
mail.googelmaps.com
mail.hanism.net
mail.happywithyou.net
mail.himal.net
mail.htel.net
mail.i-league.com
mail.infoage.net
mail.itedu.net
mail.jme.co.kr
mail.kayjaydesign.com
mail.kobra.net
mail.koreanfolkvillage.net
mail.krieg.net
mail.loveis.net
mail.mapsgoogle.com
mail.monitormall.com
mail.mygood.net
mail.myinfo.net
mail.netas.net
mail.nicole.net
mail.nioi.net
mail.noxa.com
mail.officetel.net
mail.poctan.net
mail.qzi.net
mail.realtyasia.net
mail.realtyauction.net
mail.safebiz.net
mail.safuneral.com
mail.sexclinic.net
mail.skylife.com
mail.sorashop.com
mail.spiritcomm.com
mail.srobot.com
mail.ssara.net
mail.starstar.net
mail.tg4u.com
mail.topmusic.net
mail.toweb.net
mail.ubafrance.com
mail.uinet.net
mail.uzza.com
mail.voicesoft.net
mail.webzip.net
mail.wh4u.com
mail.xcity.net
mail.xn--2i4bq6h.net
mail.xn--2q1b805d.net
mail.xn--2q1bw78a3kd.net
mail.xn--352bm57a.net
mail.xn--3e0b04llmgmuu.net
mail.xn--3e0b497a4rg.net
mail.xn--6e0b287a.net
mail.xn--939a48w.net
mail.xn--9d0bo12a.net
mail.xn--9d0bo79br2atj.net
mail.xn--9p4b13e.net
mail.xn--9p4bq4s.net
mail.xn--9p4bqqo2i.com
mail.xn--9p8b1d.com
mail.xn--b02bl1ki8g.net
mail.xn--bk1b878a.net
mail.xn--eq4b25q.net
mail.xn--hc0b48w.net
mail.xn--hg4bo4shnfzvd.net
mail.xn--hy1b58tbkau66b.net
mail.xn--hz2bi0k.net
mail.xn--oj4b23hzra713b.net
mail.xn--oj4bn00b.net
mail.xn--ok0b.net
mail.xn--ok0bm19anle.net
mail.xn--om3b13f11ee0a.net
mail.xn--or3bn9pm4f.net
mail.xn--s80b910a.net
mail.xn--vb0bp64d.net
mail.xn--vf4bi6ihpp.net
mail.xn--vj4b.net
mail.xn--vj5b27s.net
mail.xn--vk1bq64d.net
mail.xn--vy7b15b.net
mail.xn--zf4b17f.net
mail.xn--zf4bt3h.net
mail.xn--zf4bt7f.net
mail.yoobu.com
mail.yourdomain.net
mail.zetaworks.com
domains using this as nameserver
4lifeglobal.com
82.net
aakorea.com
acons.com
adoptioncoach.com
aisadesign.com
anti-korea.com
aolie.net
artmobil.com
asd.kr
bancocaribe.com
baocongantphcm.com.vn
bartercorp.com
beemil.com
bertocco.com
bioglobal.com
bjkorea.com
breedweb.com
busy4you.com
careerline.net
cgisystems.com
comicsinternational.com
commerceonline.com
couplewear.com
crossmed.com
danceforfun.com
decostop.com
designersbox.com
digitalmax.net
dmresort.com
doorae.co.kr
doumi.net
e-trust.net
ecsdesign.com
eurekaonline.com
euromicro.com
europacs.com
fast.vn
foodist.com
foxcomputers.com
fromup.com
gail.co.kr
good2know.com
googelmaps.com
gosicamp.com
gsoftware.com
haslla.net
hjcaster.com
homemart.net
htel.net
hypercom.net
i-league.com
ibsoft.com
imagegalaxy.com
inet.com.vn
infighter.com
innojob.com
innopet.com
insu1004.com
intertools.com
iphelp.com
joysysco.com
junim.net
k-stars.com
kayjaydesign.com
kiss.vn
kobra.net
koreadanpla.com
koreainox.com
koreawelding.com
korzo.com
krieg.net
lifeplans.com
locksecurity.com
lonelymountain.com
manymusics.com
mapsgoogle.com
meneki.com
monitormall.com
muacast.com
myphotoinfo.com
nicole.net
nshop.net
officetel.net
oneroom.net
opkorea.com
pcnsoft.net
pdasearch.com
poppee.com
popshop.net
rentaplus.com
safuneral.com
sexmart.net
sitebada.com
skylife.com
slfia.com
sorashop.com
srobot.com
stayfrance.com
steelnmetal.com
techner.com
tg4u.com
treemap.com
tvbusiness.com
ubafrance.com
uhong.com
uzza.com
v000.com
wacotea.com
webhostlife.com
wh4u.com
xmarket.net
xn--9p4bqqo2i.com
xn--9p8b1d.com
xn--js0b20x.com
xn--w52bm3r.net
xonda.com
yajava.net
yoobu.com
zetaworks.com
domains using this as mailserver under another name
artmobil.com
bartercorp.com
f1net.net
freesia.net
kobra.net
officetel.net
poctan.net
skylife.com
ubafrance.com
used as nameserver but missing in zone
7582.net
amwaykorea.net
apgujeong.net
asd.kr
audia-x.net
bancocaribe.com
bbang.net
bossam.net
bredel.net
breedweb.com
buyship.net
bynby.net
careerline.net
cypartner.net
daesun.net
door2door.net
easycourse.net
ebrain.net
eslshop.net
etizen.net
eurekaonline.com
ezq.net
freebus.net
fromup.com
galmuri.net
goodbox.net
goodkorea.net
goodpicture.net
gscard.net
gvision.net
happywithyou.net
himath.net
hjcaster.com
icanspeak.net
icmall.net
jeom.net
joysysco.com
junim.net
jvim.net
keyplus.net
kidcollege.net
koreadanpla.com
koreainox.com
korealand.net
koreawelding.com
ktcard.net
kumkang.net
lginsure.net
mantoman.net
manymusics.com
mapper.net
meneki.com
neatshop.net
nermarble.net
nury.net
okcashbag.net
onepage.net
peace21.net
pjco.net
psat.net
shinchon.net
sitebada.com
slfia.com
slidepro.net
soojung.net
swedenguide.net
thecan.net
timesys.net
tonghosting.net
u-cap.net
u-mart.net
uhong.com
videax.net
xn--289an1ao6j.net
xn--299aqd80b649i.net
xn--2e0b391c.net
xn--2e0b95u.net
xn--2e0bq5x.net
xn--2e0bu9h.net
xn--2o2bp68a.net
xn--2y1bu6tcxe34p.net
xn--352bnz67l.net
xn--3e0bk47b0lc.net
xn--4k0bo29bxzk.net
xn--910b.net
xn--950bw7np2t.net
xn--9i1b13n26w.net
xn--9l4bob.net
xn--c20b795a.net
xn--c79av1l.net
xn--cf7by4bu3e.net
xn--hc0bl34c.net
xn--he5b29vgh.net
xn--hk3bp0j.net
xn--hu5b25b77nvwc.net
xn--hy1b22lv0w.net
xn--hy1b48koeu14f.net
xn--hy1bj30dt7a.net
xn--i89a432cbob.net
xn--iw2br2d.net
xn--js0b20x.com
xn--lg3bu9fhtasc.net
xn--o80b97duyjm5fbsf.net
xn--ob0bt78b.net
xn--ok0bv7dm50a.net
xn--oy2b11kb7f.net
xn--p89a0n747dk3m.net
xn--qj1bw33b.net
xn--sy2bt7brzoqjb.net
xn--v42b27i.net
xn--v52bn3j.net
xn--vb0b869b.net
xn--vf4b2p5bz67i.net
xn--vf4bi6ihpp.net
xn--vk1bo21b.net
xn--vk1bq64d.net
xn--vy7b15b.net
xn--zf4b25iwl7dv45e.net
yeosu.net
yorun.net