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mx2.spaceweb.ru has two IP numbers. They are on the same IP network. mx4.vnn.ru point to the same IP. sound-project.com use this as a nameserver. ryh.ru, dhe.ru, pkc.ru, bzr.ru, ign.ru and at least 100 other hosts use this as a mailserver. spaceweb.ru is a domain controlled by two nameservers at spaceweb.ru themselves. They are on the same IP network. Incoming mail for spaceweb.ru is handled by two mailservers also at spaceweb.ru. They are on the same IP network. spaceweb.ru has one IP number. mx2.spaceweb.ru is hosted on two servers in Russian Federation.

mx2.spaceweb.ru
a records
 
+ 77.222.41.21 77.222.40.0/22 AS44112 -
+ --- -
+ 77.222.41.23 77.222.40.0/22 AS44112 -

spaceweb.ru
a records
 
+ 77.222.41.9 77.222.40.0/22 AS44112  
+ ---  
ns-soa records
ns1.spaceweb.ru
+ 77.222.40.2 77.222.40.0/22 AS44112 -
+ --- -
ns records
ns1.spaceweb.ru
+ 77.222.40.2 77.222.40.0/22 AS44112 -
+ --- -
ns2.spaceweb.ru
+ 77.222.41.3 77.222.40.0/22 AS44112 -
mx records
mxs1.spaceweb.ru
+ 77.222.41.98 77.222.40.0/22 AS44112 -
+ --- -
mxs2.spaceweb.ru
+ 77.222.41.99 77.222.40.0/22 AS44112 -
ip numbers of host
77.222.41.21
77.222.41.23
ptrs of ip numbers
mx2.spaceweb.ru
ip numbers using ptr to this host
77.222.41.20
77.222.41.21
77.222.41.22
77.222.41.23
77.222.41.24
81.222.135.20
81.222.135.60
81.222.135.9
hostnames sharing ip with a-records
mx4.vnn.ru
domains using this as nameserver
sound-project.com
domains using this as mailserver
100km.ru
164500.ru
1abc.ru
1list.org
24bb.org
3-16.ru
47-board.net
511.ru
577577.ru
7sp.ru
adan.ru
aliav-diving.com
astorgaperu.com
atlascopco.su
atst.ru
auto-bavaria.ru
avangard-sko.com
balalayka.com
bashkortostan.org
bass.am
bbsearch.ru
begamer.ru
bestfilez.net
biscont.com
blackseacup.ru
blavo.ru
blogfger.com
brigada.biz
bzr.ru
chairparts.biz
chqv.com
coe.ru
dalmacia.ru
denozavr.ru
dhe.ru
dialogm.ru
dyc.ru
e-orel.ru
ef-art.ru
elisan.ru
empay.ru
eurocom-med.com
fishpoint.ru
fokinlaw.com
fvshop.ru
gettranslite.com
gimp.ru
goodtea.ru
gurzufua.com
h-translations.com
humo.ru
ign.ru
igomel.com
illarionov.com
imsolutions.ru
inlir.com
insidepro.com
ip-furniture.com
ipchairs.com.tw
kmost.info
krasota.spb.ru
kray.ru
kursoviki.spb.ru
kvik.ru
lomography.ru
lubgorod.ru
medicinedharmareiki.ru
medrx-one.com
mitsubishi-mobile.com
mmhl.ru
moneygive.com
nba.ru
nonhandicap.com
nppjulis.ru
onbike.ru
oneweb.ru
ornita.ru
otzakata.ru
phonesnd.com
pkc.ru
plachu.ru
poputnogruz.ru
ptti.ru
ragno.ru
robert.ru
roc-il.com
romazu.com
rona.ru
rre.ru
ru-travel.com
rudas.ru
rumb.ru
ruplaneta.com
russian-games.com
ryh.ru
scanbalt.ru
school-2013.msk.ru
seo-rus.com
shop-shops.com
siberiane.com
socioforums.com
solis.by
sotnya.ru
stavstimul.com
stellagrus.ru
stock-all.ru
t-170.net
tcarbuz.ru
tickitnow.com
tubend.com
turistan.com
uralexport.ru
vens.ru
votges.ru
webidea.ru
winterscout.ru
worldnet.ru
www.ibe.ru
x-treme.vl.ru
zhenovachi.ru
domains using this as mailserver under another name
vnn.ru
used as nameserver but missing in zone
sound-project.com