go
gda.org, sdnp.mz, mcct.com, tbri.com, lrhs.net and at least 100 other hosts use this as a nameserver. leland.bj use this as a mailserver. cw.net is a domain controlled by two nameservers at cw.net themselves. They are on different IP networks. Incoming mail for cw.net is handled by two mailservers having a total of 25 IP numbers. Some of them are on the same IP network.

cw.net
ns-soa records
ans1.cw.net
+ 141.1.27.248 141.1.0.0/16 AS1273 euro-ns1.cw.net
+ --- euro-ns1.cw.net
+ --- -
ns records
ans1.cw.net
+ 141.1.27.248 141.1.0.0/16 AS1273 euro-ns1.cw.net
+ --- euro-ns1.cw.net
+ --- -
ans2.cw.net
+ 195.27.1.2 195.27.0.0/16 AS1273 -
+ --- euro-ns2.cw.net
mx records
cluster3.eu.messagelabs.com
+ 85.158.136.3 85.158.136.0/24 AS21345 mail123.messagelabs.com
+ --- mail123.messagelabs.com
+ 85.158.136.35 85.158.136.0/24 AS21345 mail125.messagelabs.com
+ --- mail125.messagelabs.com
+ 85.158.136.115 85.158.136.0/24 AS21345  
+ ---  
+ 85.158.136.211 85.158.136.0/24 AS21345 mail157.messagelabs.com
+ --- mail157.messagelabs.com
+ 85.158.137.67 85.158.137.0/24 AS25570 mail139.messagelabs.com
+ --- mail139.messagelabs.com
+ 85.158.137.83 85.158.137.0/24 AS25570 mail140.messagelabs.com
+ --- mail140.messagelabs.com
+ 85.158.137.99 85.158.137.0/24 AS25570 mail141.messagelabs.com
+ --- mail141.messagelabs.com
+ 85.158.137.147 85.158.137.0/24 AS25570 mail149.messagelabs.com
+ --- mail149.messagelabs.com
+ 85.158.138.35 85.158.138.0/24 AS25570  
+ ---  
+ 85.158.138.67 85.158.138.0/24 AS25570  
+ 85.158.138.83 85.158.138.0/24 AS25570 mail176.messagelabs.com
+ --- mail176.messagelabs.com
+ 85.158.138.99 85.158.138.0/24 AS25570 mail177.messagelabs.com
+ --- mail177.messagelabs.com
+ 85.158.139.3 85.158.139.0/24 AS21345 mail90.messagelabs.com
+ --- mail90.messagelabs.com
+ 85.158.139.51 85.158.139.0/24 AS21345 mail180.messagelabs.com
+ --- mail180.messagelabs.com
+ 85.158.139.67 85.158.139.0/24 AS21345 mail181.messagelabs.com
+ --- mail181.messagelabs.com
+ 193.109.254.83 193.109.254.0/23 AS21345 mail67.messagelabs.com
+ --- mail67.messagelabs.com
+ 193.109.255.115 193.109.254.0/23 AS21345 mail70.messagelabs.com
+ --- mail70.messagelabs.com
+ 194.106.220.35 194.106.220.0/23 AS21345 mail91.messagelabs.com
+ --- mail91.messagelabs.com
+ 194.106.220.51 194.106.220.0/23 AS21345 mail92.messagelabs.com
+ --- mail92.messagelabs.com
+ 194.106.220.67 194.106.220.0/23 AS21345 mail93.messagelabs.com
+ --- mail93.messagelabs.com
cluster3a.eu.messagelabs.com
+ 85.158.141.190 85.158.140.0/23 AS21345 mail553.messagelabs.com
+ --- mail553.messagelabs.com
+ 95.131.106.67 95.131.106.0/23 AS25570 mail556.messagelabs.com
+ --- mail556.messagelabs.com
+ 95.131.108.66 95.131.108.0/23 AS21345  
+ ---  
+ 216.82.248.44 216.82.248.0/22 AS26282  
+ 216.82.248.45 216.82.248.0/22 AS26282 mail555.messagelabs.com
+ --- mail555.messagelabs.com
domains using this as nameserver
132.130.204.in-addr.arpa
197.140.64.in-addr.arpa
208.140.64.in-addr.arpa
216.140.64.in-addr.arpa
222.140.64.in-addr.arpa
224.91.81.in-addr.arpa
225.91.81.in-addr.arpa
23.187.216.in-addr.arpa
2ferment.net
4taconic.com
acenh.com
airmar.com
bayring.net
bgcc.org
bigboomver.com
boatinsuranceadjusters.com
bobkwebsite.com
boku.net
buttonwoodinn.com
byseinsurance.net
catdoctordover.com
cigarwerks.com
citizensfund.com
clinicalconsult.net
co.strafford.nh.us
coldspringresort.net
coldstreamhouse.com
concordlitho.com
crystalquail.com
denbrae.com
eigenlight.com
enewssource.net
etude.com
executiveproperties.com
fairwayfundingcorp.com
foedus.com
gach.com
gda.org
granitecoast.com
grayresearch.com
greinerssubshop.net
guildoptics.com
hephzibahhouse.org
hideawaylife.net
hideawaysauctions.net
hideawaysinternational.net
homesnewhampshire.com
homesofnh.com
howardsystems.net
hutch.org
innongoldenpond.com
k-line.com
kline.com
lakepemaquid.com
leland.bj
lemelsonfoundation.net
lrhs.net
manchester-chamber.org
marketsquarejewelers.net
mcct.com
mcdiversion.net
meredithnh.org
monad.net
mrhideaway.net
mrvillavacation.net
mrvillavacations.net
mygfs2000.net
navtronics.com
neearth.com
neers.com
netkane.net
newburyhist.com
nhcamps.org
noblespirit.com
noblespirit.net
norwichexperience.net
oasisalignment.com
oasisalignment.net
opportunityconnection.net
pinebrookbuildersllc.com
pinebrookcorp.com
pmhschool.com
powerspan.net
powerspancorp.com
powerspancorp.net
profilebank.com
prvacationhome.com
puzzlehouse.com
ringmarket.net
roadsendfarm.com
roadsendfarm.net
rockportartist.com
sdnp.mz
seames.net
shanleyrealtors.com
signaturehideaways.net
sparklink.net
spasydell.net
spouterinn.com
springbornstaffing.com
tbri.com
thegavel.net
timberlinemachinery.com
tribuneradio.com
tufpak.com
tukaiz.net
turnedbowls.com
unionbluff.com
villasatauction.net
vodafone-corporate.co.uk
wagner-eng.com
wakefieldnh.com
warrenstreetarchitects.com
wauclib.org
wcc-joinus.org
whitecase.com
wildernesstrailersales.com
wilkinsonbeane.com
wsfca.net
www.greenville.ms.us
domains using this as mailserver
leland.bj
used as nameserver but missing in parent delegation
197.140.64.in-addr.arpa
4taconic.com
95.145.208.in-addr.arpa
airmar.com
bavarianautosport.com
bayring.net
boku.net
buttonwoodinn.com
byseinsurance.net
castleintheclouds.org
cigarwerks.com
co.strafford.nh.us
coastalcohousing.org
coldspringresort.net
concordlitho.com
crossroadshouse.org
cwc-aog.org
cwcanneycamp5.org
edies.org
etude.com
fourwindscommunity.org
friendsofsuncookriver.org
grayresearch.com
greinerssubshop.net
hideawaylife.net
hideawaysauctions.net
hideawaysinternational.net
hnhsd.org
homesofnh.com
janco-inc.com
k-line.com
kline.com
laconialibrary.org
lemelsonfoundation.net
marketsquarejewelers.net
mcct.com
mcdiversion.net
monad.net
moviefinder.com
mrhideaway.net
mrvillavacation.net
mrvillavacations.net
mygfs2000.net
navtronics.com
netkane.net
newipswichcc.org
noblespirit.net
norwichexperience.net
nurtureandnature.org
oasisalignment.net
oceanadventure.org
opportunityconnection.net
patchbays.com
pinebrookbuildersllc.com
pinebrookcorp.com
pmhschool.com
prvacationhome.com
ringmarket.net
roadsendfarm.net
rochesterpd.org
rockyboy.org
sdnp.mz
seames.net
signaturehideaways.net
sparklink.net
spasydell.net
spinus.us
tccc-tcca.org
thegavel.net
thegovernorsacademy.org
tolinterfaithfellowship.org
tufpak.com
tukaiz.net
uufes.org
villasatauction.net
wakefieldnh.com
wakefieldnh.org
warrenstreet.coop
warrenstreetarchitects.com
wedco-nh.org
whitecase.com
wlcamp.org
wolfeboro-arts.org
wsfca.net
www.greenville.ms.us
used as nameserver but missing in zone
10.65.63.in-addr.arpa
226.68.63.in-addr.arpa
2ferment.net
93.187.12.in-addr.arpa
bgcc.org
boatinsuranceadjusters.com
brantwood.org
ccaf-brentnell.org
christchurchcathedralspringfield.org
classicarcademuseum.org
clinicalconsult.net
communitycampus.org
dermatology-consult.com
enewssource.net
gach.com
glenviewcma.org
hephzibahhouse.org
hutch.org
knightandhale.com
meadvilleforging.org
northmainbc.org
powerspan.net
powerspancorp.biz
powerspancorp.com
powerspancorp.net
profilebank.com
redgatefarm.org
stjnluth.org
strafford.org
sycrotary.org
thewrc.org
wauclib.org
wcc-joinus.org
ymcacamphuckins.org
yorkcountytrails.org