go
dns7.servidoresdns.net has one IP number , which also has a corresponding reverse pointer. nordpro.es, ns1.hormigonesminho.com and ns2.hormigonesminho.com point to the same IP. arm.es, kmr.es, mqd.es, wpr.es, rdi.es and at least 100 other hosts use this as a nameserver. viajesaliguer.com use this as a mailserver. servidoresdns.net is a domain controlled by two nameservers at servidoresdns.net themselves. They are on different IP networks. Incoming mail for servidoresdns.net is handled by three mailservers. All of them are on the same IP network. dns7.servidoresdns.net is hosted on a server in Spain.

dns7.servidoresdns.net
a records
 
+ 217.76.128.131 217.76.128.0/19 AS20718 -
+ --- -

servidoresdns.net
ns-soa records
atlante.servidoresdns.net
+ 217.76.128.10 217.76.128.0/19 AS20718 -
+ --- -
ns records
atlante.servidoresdns.net
+ 217.76.128.10 217.76.128.0/19 AS20718 -
+ --- -
prometeo.servidoresdns.net
+ 82.223.191.10 82.223.184.0/21 AS20718 -
mx records
smtp-30.servidoresdns.net
+ 217.76.150.191 217.76.128.0/19 AS20718  
+ ---  
jupiter.arsys.es
+ 217.76.128.76 217.76.128.0/19 AS20718 -
+ --- -
mercurio.arsys.es
+ 217.76.128.83 217.76.128.0/19 AS20718 -
ip numbers of host
217.76.128.131
ptrs of ip numbers
dns7.servidoresdns.net
ip numbers using ptr to this host
217.76.128.131
hostnames sharing ip with a-records
nordpro.es
ns1.hormigonesminho.com
ns2.hormigonesminho.com
domains using this as nameserver
24por7.net
3cigroup.com
3v2.net
5wagenciatv.com
a-ruserko.com
a2i-digital.com
abacom.es
abogadoseficientes.com
abogadosestevezmorant.com
acaes.com
aceitelamaria.com
acipcastillo.com
activacongresos.com
aefa.es
aerodisa.com
afsabadell.org
aiguavivapark.com
ainda.info
aislaglas.com
akafilmstv.com
albadehermes.com
alcordelroble.com
aletaediciones.com
aliatlante.com
amig.es
amparanoia.com
aratexnet.com
arcsantcugat.com
arm.es
arriska.com
asfitri.com
atlantishotels.com
aula24.com
aymarquitec.biz
aytonajera.es
balcondecarabeo.com
bigsofa.biz
blaumar-mataro.com
buergo-martin.com
bufete-baro.com
callejas.biz
campingelrio.com
campingsonline.com
canciomuebles.com
carpinteriaserrano.com
cdn.es
cfi.es
colegiodecroly.com
comoacaba.com
control-impago.com
copelgrupogdc.com
culturaljoven.com
datisa.es
demierabogados.com
dessoft.es
ecolnet.info
eldrinkteam.com
elr.es
escarizabogados.com
escultoresclavero.com
esferaespectaculos.com
eurogescien.com
evntf-santpau.com
fanatik-visual.com
fegas.net
fhag.es
finquesisavi.com
frado.net
gaysenvivo.com
generalestudis.com
gesinflot.com
gigaform.com
gim.es
gnd.es
gonzaleztorresabogados.com
gpl-cat.com
grupo77.es
guanabanajam.com
guitarraspicado.com
hglloret.com
i2d.es
iesp.info
imadoc.biz
incos.as
indexing.es
infojardin.com
infosueca.com
institucionteresiana.org
intermundial.es
iproxys.com
itp-depuracion.com
jabssmobiliari.com
juanbielsa.com
kalion.com
kmr.es
laurabach.com
lazona.org
lsb-uso.com
mabyc.com
maratonrioja.com
molowny.com
mqd.es
mtp.es
neo-metrics.com
nomad.as
oleiros.biz
ortopediaplaza.com
panelesvallejo.com
pergolapiscinas.com
radiocactus.com
rdi.es
recreativosaguila.com
sagacg.com
scantravel.net
sumoll.com
telemark.es
valdellera.biz
w3c.es
wpr.es
xlan.com
domains using this as nameserver under another name
hormigonesminho.com
domains using this as mailserver
viajesaliguer.com
used as nameserver but missing in parent delegation
marcastro.net
used as nameserver but missing in zone
3dimensiones.net
abrelatas.net
ado-madrid.net
albasiete.net
alkora.net
aquastil.net
aquateknik.net
arganet.net
asetem.net
autoaventura4x4.net
autoescoles-fab.net
ayay.net
azkuetarrak.net
bigmovie.net
bizkaia-bizkaialde.net
botafumeiro.net
buadesdesign.net
calcocolor.net
ce-gsc.net
cmagency.net
codecodelmediterraneo.net
codecomed.net
coeduca.net
colegiosanjorge.net
collbato.net
compacstone.net
conseguridad.net
cordobadedia.net
cordobadenoche.net
cosepal.net
cpsanpablo.net
davidas.net
e-aquinas.net
ecuadorviajes.net
eficiencia.net
enerbus.net
environmentalclub.net
escueladeinteligencia.net
europ-art.net
europaactiveclub.net
facturasp.net
fagut.net
fasmem.net
florama.net
frussurf.com
galeriasokoa.net
galizauto.net
gintra.net
golfymedioambiente.net
gosdatura.net
grancanariainfos.net
gruponexo.net
grupoonusa.net
holabarcelona.net
ialcubo.net
iberpyme.net
image3d.net
industriaspesqueras.net
institutoeduardobenot.net
interiorismecarlosserra.net
ioxoi.net
jetracing.net
joliva.net
kingdomecan.net
lacasitadechocolate.net
lambarrizimbron.net
laracha.net
lascallesdelpop.net
losvelez.net
lubricantes.net
luz84.net
macario.net
madridguide.net
marinagolf.net
markesur.net
monchos.net
mundiweb.net
naturcaza.net
navasmarques.net
northenterprises.net
orientaline.net
performance2000.net
portalmadrid.net
portalpiscinas.net
poster-sl.net
postercanarias.net
prohabitatge.net
psicomagia.net
rafabenitez.net
rdi.es
regcat.net
rejistro.net
reparacionnaval.net
repertorios.net
reunemadrid.net
riberaebre.net
saladeprensa.net
saneamientosburgos.net
santafaz.net
santirock.net
savera.net
servidoresdns.es
sharedyachts.net
showgirlsmadrid.net
siches.net
soluziones.net
stildux.net
svformacion.net
tecnicaverde.net
tecnonegocio.net
telecomserver.net
tenreiragalega.net
totanawireless.net
vacacionesenlaplaya.net
valdemarin.net
vicentjorda.com
villancicos.net
waterdream.net
xaviercatala.com