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148.252.84.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at mchost.ru. They are on the same IP network. 8.am, 5.am, 3.kz, atm.ru, 363.ru and at least 55 other hosts share nameservers with this domain.

148.252.84.in-addr.arpa
ns records
ns1.mchost.ru
+ 94.103.93.3 94.103.88.0/21 AS48172 -
+ --- -
ns2.mchost.ru
+ 94.103.88.3 94.103.88.0/21 AS48172 -
nameservers used by this domain
ns1.mchost.ru
ns2.mchost.ru
domains sharing nameservers
3.kz
363.ru
46info.ru
5.am
8.am
aero-club.ru
aib.su
akwadrat.ru
anis-anis.ru
anvik.net.ru
arhweb.ru
askin.ru
atm.ru
be-kar.ru
bestirc.ru
c-service.org
castors.ru
catalog.46info.ru
drevmash.com
eiz.ru
elektronika.ru
emags.ru
express-delivery.net
firn.ru
flash-art.ru
gunnardemoulin.com
hotmail.kz
imu.ru
izem.ru
jib.ru
kinotehnik.net
koort.kg
kurenkoff.ru
margtu.net
masvet.com
mbs.ru
mchost.ru
multi-tech.ru
new-film.ru
nppn.ru
prof-tool.com
prophets.ru
pyramid.kg
ratem.ru
registrar.am
remontnik.ru
rossa.ru
rusathletics.com
rusmbl.ru
sexpert.ru
softik.ru
sw-fenix.ru
tavi.ru
traveltop100.ru
uranweb.com
vectorcar.ru
vinzavod.ru
vladkvartira.ru
wapbox.net
zydusrussia.ru
ip numbers of nameservers
94.103.88.3
94.103.93.3
reverse names of the nameservers
ns1.mchost.ru
ns2.mchost.ru
other names of the nameservers
ns3.ineti.net
ns4.tortensystems.net
ns9.registrar.am
domains sharing nameservers under another name
3dr.biz
5.am
8.am
acc.am
adult.am
armenianbanks.com
armenians.in
axoxa.net
babayan.biz
bqm.biz
cnjlszx.org
dating.am
dating.bz
download.am
e-mail.am
erovideo.net
filmxs.net
fractal-media.com
globalar.org
hoster.am
ict.am
ineti.net
prgoogle.info
registerdomain.name
registrar.am
submiturl.name
tortensystems.com
tortensystems.net
tx.am
xxxby.com
nameservers missing in zone
ns1.mchost.ru
ns2.mchost.ru