go
ns0.claranet.de has one IP number , but the reverse is ns0.de.clara.net. ns1.esib.net and ns0.de.clara.net point to the same IP. raw.de, seg.de, meo.ch, jsj.de, hem.de and at least 100 other hosts use this as a nameserver. claranet.de is a domain controlled by two nameservers at claranet.de themselves. They are on different IP networks. Incoming mail for claranet.de is handled by one mailserver at de.clara.net. claranet.de has one IP number. ns0.claranet.de is hosted on a server in Germany.

ns0.claranet.de
a records
 
+ 213.221.90.240 213.221.64.0/18 AS8426 ns0.de.clara.net
+ --- ns0.de.clara.net

*.claranet.de
a records
 
+ 212.82.225.61 212.82.224.0/19 AS8426  
+ ---  
mx records
spamvir.de.clara.net
+ 212.82.225.81 212.82.224.0/19 AS8426 -
+ --- -

claranet.de
a records
 
+ 212.82.225.6 212.82.224.0/19 AS8426  
+ ---  
ns-soa records
ns0.claranet.de
+ 213.221.90.240 213.221.64.0/18 AS8426 ns0.de.clara.net
+ --- ns0.de.clara.net
ns records
ns1.claranet.de
+ 212.82.240.193 212.82.224.0/19 AS8426 ns1.de.clara.net
+ --- ns1.de.clara.net
ns0.claranet.de
+ 213.221.90.240 213.221.64.0/18 AS8426 ns0.de.clara.net
+ --- ns0.de.clara.net
mx records
spamvir.de.clara.net
+ 212.82.225.81 212.82.224.0/19 AS8426 -
+ --- -
ip numbers of host
213.221.90.240
ptrs of ip numbers
ns0.de.clara.net
hostnames sharing ip with a-records
ns0.de.clara.net
ns1.esib.net
domains using this as nameserver
17.24.62.in-addr.arpa
4-text.de
94.221.213.in-addr.arpa
accon-berlin.de
accon-rvs.de
arinox.de
babyundkindshop.com
beauty-net.de
berlinheart.de
bilderstuermer.de
bkk-vbu.de
blue-movie-angebot.de
brohl-wellpappe.de
centertools.de
claranet.de
club-urlaub.de
concept-computer.de
consulfrance-munich.de
copylein.de
coware.de
csu-wahlen.de
denasys.de
dgn.ag
drm.de
durchstarten2005.de
ecomas.de
elexagmbh.de
emar.de
en-ag.de
en-ag.net
en-berlin.net
en-bonn.net
en-eberbach.net
en-hamburg.net
en-heiligenhaus.net
en-hersfeld.net
en-limburg.net
euro-union-assistance.de
fca.de
finius-group.net
gelos.de
gerner.net
global-mail.de
golfclub-katharinenhof.de
haus-net.de
helm-holding.de
hem.de
horn-cosifan.de
hr-international.de
hsn-service.de
htg-wp.de
huethig.de
ic-club.com
idena.de
ihi-csi.de
inet-service.com
isprit2.de
isravision.com
jehle-rehm.de
jsj.de
king-kamehameha.de
kontakter.de
lastmile.de
lsb-berlin.org
lsk-kunststoff.de
m-iddle.de
maihoefner.de
marketingcockpit.de
mdw-ffm.de
mediateam360.de
medical-tribune.de
meo-team.com
meo.ch
meo.de
mm-mafis.de
nanotron-germany.de
netreletion.de
nke.de
nomura.de
novitas.de
oilgear.de
preistrend.de
raak.de
ragtime.de
raw.de
redtec.de
roger.de
roseneis.de
runze-casper.de
rvs-berlin.de
s-pf.de
s3t.de
saint-elmos.com
scheifer.de
secured-office.de
seg.de
serviceplan-pos-team.de
sg-dornheim.de
shgw.de
sms-maut.de
sp-integration.de
spfkb.de
stett-online.de
sumuk.de
sv-www.de
svhfi.de
synovis.de
teikotec.de
tixi.com
ufis-as.com
vividprojects.de
vprt.de
we-support-life.com
we-support-life.de
wela.net
wellpappe-rheinland.com
wellpappe.de
whiskas-kitten.de
wuv.de
wvi.de
domains using this as nameserver under another name
0-63.236.82.212.in-addr.arpa
1-254.111.221.213.in-addr.arpa
1.66.212.in-addr.arpa
1.80.62.in-addr.arpa
110.221.213.in-addr.arpa
114.221.213.in-addr.arpa
118.221.213.in-addr.arpa
12.80.62.in-addr.arpa
14.80.62.in-addr.arpa
15.66.212.in-addr.arpa
15.80.62.in-addr.arpa
156.176.62.in-addr.arpa
157.6.212.in-addr.arpa
16.80.62.in-addr.arpa
17.80.62.in-addr.arpa
19.80.62.in-addr.arpa
2.80.62.in-addr.arpa
20.80.62.in-addr.arpa
225.82.212.in-addr.arpa
236.82.212.in-addr.arpa
243.82.212.in-addr.arpa
26.80.62.in-addr.arpa
27.80.62.in-addr.arpa
29.80.62.in-addr.arpa
31.80.62.in-addr.arpa
32.80.62.in-addr.arpa
6.80.62.in-addr.arpa
8.80.62.in-addr.arpa
86.221.213.in-addr.arpa
95.221.213.in-addr.arpa
access.de.clara.net
aekb.de
aktieplus.com
audi-akademie.com
bak.de
beautydreams.net
beilke.com
bln.de.clara.net
bow-brillenglas.de
bross-ag.de
buerorickert.de
cap-company.com
city-power-card.com
core.gelsen.net
coware.de
craiss-mobile-service.com
crown.la
crownsatelcontrol.com
dallmayr.de
de.clara.net
echtzeit.de
emailuser.de
endcaps.com
energiepreis.com
entropia.biz
esib.net
esysco.de
evosys.net
flange-cover.com
flange-guard.com
flange-protection.com
flange-shield.com
flangeprotector.com
fragstein.com
gaspreis.com
gaspreise.com
gelsen-dienste.net
gelsen-log.net
gelsen.net
gelsendienste.net
guenstigekredite.net
imageautomation.com
inserts.net
jabl.net
khf.de
kriss.de
l-u-x.com
lux-for-life.com
mdbkk.de
mdkbb.de
medconwest.net
muc.de.clara.net
netchopper.com
netscalibur.de
nonthreaded-caps.com
nya.com
onww.de
pagendarm.com
parsytec.de
pcplus.de
pcplusmedia.de
pipe-protection.com
pipecap.com
plan-net.de
plastic-cap.com
plastic-parts.com
plastic-protectors.com
proagro.de
protec-cap.com
protecinfo.net
quinting.com
recessed-caps.com
red-key.com
rennteam.com
rennteam.net
ruhr-triennale.net
ruhrtriennale.net
safeomat.com
scheppach.net
schuelerhilfe.com
securitas.net
sfcc.de
sireco.de
sireco.net
sitze.com
sodick.de
sprayout-safety-ring.com
strompreis.com
strompreise.com
tec-form.net
tefshield.com
vacutex.com
used as nameserver but missing in parent delegation
11.80.62.in-addr.arpa
237.96.193.in-addr.arpa
94.221.213.in-addr.arpa
dallmayr.co.kr
hausderkommunikation.net
house-of-communication.net
inso-schomerus.de
used as nameserver but missing in zone
a5-public.net
ausbildungsatlas-lichtenberg.de
belegschaftsaktienaktion.de
besondere-immobilien.com
cd-arena.com
censhare.de
circlecube.de
club-med.de
cosifan.de
coware.de
d-vision.de
draftstuttgart.com
easyarc.de
flirtparadies.net
friedberger-triathleten.de
gelos.de
germantop500.de
good-economy.com
hotel-koeln.net
iboxx.net
infobild.de
iotronics.net
isis-windows.de
lupusalfa.net
nomina.de
okw-knoepfe.com
roseneis.de
seg.de
software-engineering.de
software-marktplatz.de
spok.de
xn--sddeutsche-9db.net