go
ns30.1and1.com has one IP number , which also has a corresponding reverse pointer. ns2.d7u.net, ns30.1und1.de and ns30.1and1.co.uk point to the same IP. lwv.cc, mbs.com, kwok.ca, ncrs.org, trinet.ca and at least 100 other hosts use this as a nameserver. nezwork.net, sdaughtry.com and akibiaconsulting.com use this as a mailserver. 1and1.com is a domain controlled by two nameservers at 1and1.com themselves. They are on the same IP network. Incoming mail for 1and1.com is handled by three mailservers at schlund.de. All of them are on the same IP network. 1and1.com has one IP number. ns30.1and1.com is hosted on a server in United States.

ns30.1and1.com
a records
 
+ 74.208.3.4 74.208.0.0/16 AS8560 -
+ --- -

1and1.com
a records
 
+ 74.208.4.12 74.208.0.0/16 AS8560  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns27.1and1.com
+ 74.208.2.3 74.208.0.0/16 AS8560 -
+ --- -
ns28.1and1.com
+ 74.208.3.3 74.208.0.0/16 AS8560 -
mx records
mxintern0.schlund.de
+ 212.227.126.201 212.227.0.0/16 AS8560 mxintern.schlund.de
+ --- mxintern.schlund.de
mxintern1.schlund.de
+ 212.227.126.204 212.227.0.0/16 AS8560 mxintern.schlund.de
mxintern2.schlund.de
+ 212.227.126.205 212.227.0.0/16 AS8560 mxintern.schlund.de
ip numbers of host
74.208.3.4
ptrs of ip numbers
ns30.1and1.com
ip numbers using ptr to this host
217.160.228.2
74.208.3.4
hostnames sharing ip with a-records
ns2.d7u.net
ns30.1and1.co.uk
ns30.1und1.de
domains using this as nameserver
22oficiodenotas.com.br
360in.com
4starecuador.com
bart.com.br
bedouin.com
blackchristian.com
boobdex.net
bootlog.cl
braincert.com
brandencomputer.com
brookhavenartsalliance.com
businessspeaker.net
caribehosting.us
carlomazza.com
casinocheaters.com
cassiar.ca
corazio.com
criptoforte.com.br
cryofcaleb.com
danvic.com.br
drangelramos.com
drjim.net
dupuis.ca
efeitopeltier.com.br
elaunchedservices.com
eveningsound.com
facetmine.com
fittogether.net
forallsystems.com
forprojects.com
fsc.com.co
gentec.com.br
globalhotel.com.br
globalres.com.br
godlovestheworld.com
goesta.com
guard-dogs.com
hetra.com.br
hid-light.com
hipfitkids.com
hmbsinc.com
hotelarts.com.br
ifr.com.br
imigracaocanada.com.br
inpuj.net
inroads.cc
interbizusa.com
interconsultancy.com
interservice.com.br
itanu.com.br
iwaste.net
janicehoward.com
jbgunandarchery.com
jsholna.com.br
kberman.com
kcarc.net
kwok.ca
langbiz.com
lodichurch.com
logixca.com
logosdaystar.com
lonepinetree.com
luckyspark.com
luxe.com.br
lwv.cc
mastbi.com
mbs.com
mdfbus.com
memphisdirect.com
merger.com
mhwltdclients.com
midlabs.com
mikeoliveri.com
mobiletelemedia.com
mydocumentsweb.com
nadamelhorparafazer.com.br
nadamelhorprafazer.com.br
natureflores.com.br
ncrs.org
netclarity.com
netspective.com
netvention.com
orlypro.com
ozoxi.com.br
paducahpower.com
paullee.ca
paws-concierge.com
perfectbrasil.com.br
petlove.com
prayeraday.com
princesspoints.com
princetontech.ca
pwt-net.com
radiofreezion.com
radixfund.com
rmh.com.br
rocelec.com
rote.com.br
rothwellgroup.com
santaanasmog.biz
servinginmission.us
sharpasatack.net
smseverywhere.com
snapemr.com
staffingitsolutions.com
systemsbridge.com
thebookcrossing.biz
tickets.cc
tlchelp.net
travelarts.com.br
trinet.ca
upluxury.com.br
uscess.com
veloc-it.net
victorho.com
waldorf.ca
wasabi.com.br
weputuplights.com
yeedesign.com
yukucorp.com
domains using this as nameserver under another name
aegis-afghanistan.us
aegis-baghdad.us
aegis-me.us
aegis-middleeast.us
aegis-usa.us
aegisafghanistan.us
aegisbaghdad.us
aegisdef-usa.us
aegisdefence.us
aegisdefenceservices.us
aegisdefenceservicesltd.us
aegisdefense.us
aegisdefenseservices.us
aegisdefenseservicesltd.us
aegismiddleeast.us
aegisservices.us
aegisspecialistrisk.us
aegisworld-iraq.us
aegisworld-uk.us
aegisworld-usa.us
aphid.us
artgalerie.us
aureliasan.us
backhus.us
boe24.us
boenisch.us
businessmanagementsystems.us
buybuy.us
buyersguidechem.us
ccid.us
chondropython.us
closetothestars.us
d7u.net
digitaljukebox.us
firegap.us
florida4fun.us
floridadays.us
groop.us
helpinghandcds.us
hotelinea.us
hotelmedia.us
i-m-p-a-c-t.us
icfba.us
insiderpublishing.us
isoreinforce.us
janmichael.us
laroca.us
laubner.us
logistikundtransport.us
modeha.us
morelia-viridis.us
mototire.us
mplay.us
netwacky.com
orca-consulting.us
ourcash.us
ourorphans.us
paradoxum.us
pipettor.us
poweroverethernet.us
process4.us
protema-na.us
saueressig.us
sbnhl.com
sono.us
sourcemat.us
sperling.us
spudnik.us
sysob.us
thebreakaway.net
timothyleary.us
toptainer.us
topu.us
tresmarias.us
truewine.us
twike.us
ultrapave.us
usafluege.us
velorbis.us
wamey.us
webnetdistributions.com
websterbros.us
winwithphoenix.us
yellowtools.us
youyou.us
zart.us
zorko.us
domains using this as mailserver
akibiaconsulting.com
nezwork.net
sdaughtry.com
used as nameserver but missing in parent delegation
require.net
used as nameserver but missing in zone
360in.com
acitli.com
amerafashion.com
avansis.net
barginseats.com
baseballssf.com
betterca.org
bringhimhome.com
cafechina.com
calvaryseaside.com
carterstarter.net
certiorari.net
cheung.net
chicagoneighborhoods.com
christiansingles.net
cncit.net
completecommunitysolutionsinc.com
cpm-remote.com
cvthosting.com
cyberangels.com
deadwylerenterprises.com
demeter-usa.net
designerblondes.com
diy-electronics.com
draughttheology.com
drsujatha.com
elitetechnology.com
enthusio.com
eseanjill.com
eworkit.com
fireprograms.net
garrett-williams.com
georgewgolf.com
getmalcolmcd.com
gha5servers.com
glowrap.com
helpinghandwebsites.com
hispanicmidwest.org
inchoation.info
intia.net
itanu.com.br
itrainmydog.net
jjtelcom.com
jobalert.net
joeandhassan.com
johnsautotips.com
johnsonunltd.com
justplaydumb.com
karmicmart.com
katieleeenterprises.com
kentcoley.info
labreanitrogen.com
lastofthefireflies.com
lawsnet.net
lbntt.com
lecander.com
livingwaters-cog.org
logif.com
marketagenda.com
markmusicproductions.com
masterfood.net
mastergroup.net
methodwork.com
montrosebaptist.net
mrsmonty.com
neurologist.net
oagk2t.com
omgcontrol.com
onlinegamer.net
orbitalmindsoft.com
p2world.com
pacers-fans.com
pascalog.com
photolific.com
planetwaves.net
portsmouthdoctor.com
pragmaticprogressives.com
prochannel.net
radiofreezion.com
reda-tech.com
redstarfederation.com
reveyrand.com
rgsonline.net
rmhealthcarealliance.org
santrop.com
secludedbeauties.com
servelets.net
shifflette.com
shoptalk.net
sitemill.net
skiinskiout.net
snetservers.com
sonicdelivery.com
steelguitarinfo.net
steelguitars.net
stormyweathernetwork.com
stringsoftao.com
t-lineusa.com
tapestryunraveled.com
thebladewrap.com
thefifthnetwork.com
thegpa.info
thenaturalchoice.net
theultimateexperience.net
trailwiki.com
travelcrossings.com
tsm1947.com
v7host.com
vermonster.com
voipeople.com
westminstermassage.com
wgpo.net
whiteboarddev.com
whitelake.net
whiteningonline.com
williamfowkes.com
xsvault.info
ydabythebay.com
yukucorp.com