go
ns1.ptwebserv.net has one IP number , which also has a corresponding reverse pointer. ns1.bitela.net, ns1.100igual.com, ns1.ptwebserv.com, ns1.desenvolve.net, ns1.alvahosting.com and at least one other host point to the same IP. jme.pt, fpe.pt, acp.pt, aepf.pt, omvni.com and at least 100 other hosts use this as a nameserver. ptwebserv.net is a domain controlled by three nameservers at ptwebserv.net themselves. All of them are on different IP networks. Incoming mail for ptwebserv.net is handled by two mailservers having a total of four IP numbers. All of them are on the same IP network. ptwebserv.net has one IP number. ns1.ptwebserv.net is hosted on a server in Portugal.

ns1.ptwebserv.net
a records
 
+ 82.102.24.101 82.102.0.0/18 AS25137 -
+ --- -

ptwebserv.net
a records
 
+ 81.92.215.116 81.92.192.0/19 AS25137  
+ ---  
ns-soa records
ns1.ptwebserv.net
+ 82.102.24.101 82.102.0.0/18 AS25137 -
+ --- -
ns records
ns3.ptwebserv.net
+ 64.191.24.230 64.191.0.0/17 AS21788 thunder.ptwebserv.net
+ --- thunder.ptwebserv.net
ns1.ptwebserv.net
+ 82.102.24.101 82.102.0.0/18 AS25137 -
+ --- -
ns2.ptwebserv.net
+ 195.22.18.59 195.22.0.0/19 AS8426  
+ ---  
mx records
mx1.ptws.net
+ 81.92.215.250 81.92.192.0/19 AS25137 -
+ --- -
+ 81.92.215.252 81.92.192.0/19 AS25137 -
mx2.ptws.net
+ 81.92.215.251 81.92.192.0/19 AS25137 -
+ 81.92.215.253 81.92.192.0/19 AS25137 -
ip numbers of host
82.102.24.101
ptrs of ip numbers
ns1.ptwebserv.net
ip numbers using ptr to this host
82.102.24.101
hostnames sharing ip with a-records
ns1.100igual.com
ns1.albergueserver.net
ns1.alvahosting.com
ns1.bitela.net
ns1.desenvolve.net
ns1.ptwebserv.com
domains using this as nameserver
100igual.com
acp.pt
acqualimento.com
aepf.pt
afolhasdesign.com
albufeira.net
algarvehousing.net
algarvept.net
algarvevents.com
altafine.com
ambiaqua.com
amorpt.com
angodigital.com
arade.net
asuabeleza.net
atrago.net
baseld.com
beatrixcuna.com
beerandbeer.net
bitela.net
blogvila.com
car-detail.net
cardosoealves.com
cardosoleal.com
carmencabeleireiros.com
carpiveiras.com
cdpateira.com
cebola.net
chavedigital.net
colegiodominho.com
conjuga-me.net
cphaveiro.com
cracco-portugal.com
danielcorreia.com
dezrc.com
deztel.net
directoriopt.com
dourodesign.com
dreams-sexshop.com
dunamarmilfontes.com
eco-gaia.net
elosvitais.com
enatecnica.com
entre-nos.net
espacodomomento.com
espacosjovem.com
extremedesigntuga.com
fcfoz.net
feiraviva.com
filmesdesexo.net
fpe.pt
freeflashgame.info
frioteca.com
futebolportugues.com
gajasonline.com
girafos.com
golipe.com
hilarmoveis.com
homensgays.com
homework-portugal.com
hotelsaojoaodeus.com
indunox.com
instaltec.net
jaszdesigns.net
jme.pt
joaomgg.com
joaomoreno.com
jogosfx.com
jornalpt.net
jsqimo.com
lahosting.net
lecasempre.com
logicamente.net
lojadosmimos.com
lojaspinhalnovo.net
markimix.com
miguelveloso.net
mouraemdirecto.com
mulheres-nuas.net
odemira.net
omvni.com
oncare.org
oportunidadesemprego.com
pacosdeferreira.com
pandajogosgratis.com
paroquiadecarvalhosa.com
paroquiadevilarinho.com
pedrodinis.net
pingsp.com
pintojj.com
psprox.com
ptnoticias.com
ptwebserv.com
ptwebserv.net
quintadasheredias.com
rb-link.com
santaclaraavelha.net
saproducoes.com
serbica.net
sexobrutal.net
sexoportugal.net
silvapiel.com
swingers-pt.com
techmain.net
telmeportugal.com
tonsdecaffe.com
toques-reais.com
trimerang.com
triodinamico.com
tunadecaravalhosa.com
tunadecarvalhosa.com
usoundzp.com
viagemmedieval.com
videosdesexopt.com
videosloucos.net
viveraciencia.org
vivoweb.net
vnmilfontes.net
x-artistic.com
zambujeira.net
domains using this as nameserver under another name
100igual.com
abcempresas.net
abvarouca.com
ada-urb.com
albergueserver.net
anteroimobiliaria.com
asuabeleza.net
avistada.com
bitela.net
brunomesquita.com
casadoleme.com
coisasdagua.com
comprarterrenos.net
conjuntotipicodoval.com
dentspourlavie.com
desenvolve.net
diariodepalmela.com
dragosports.com
enatecnica.com
escolavalongo.com
galeriasmacieiraesilva.com
htcozinhas.com
imobiliariajpaiva.com
inmagrafica.com
lojasdavisao.com
manueldovale.com
marciliocosta.com
minijogos.info
mirpapel.net
natrofa.net
orelhitas.com
oscarconfeccoes.com
pandacarrosusados.com
pintojj.com
skpro.pt
visitguimaraes2012.com
visitguimaraes2012.info
visitguimaraes2012.net
visitguimaraes2012.org
viverportugal.com
viverportugal.net
used as nameserver but missing in parent delegation
100igual.com
asuabeleza.net
bvodemira.com
casadoleme.com
cyberguia.net
cyberguide.info
dentspourlavie.com
dunamarmilfontes.com
enatecnica.com
escolavalongo.com
extremedesigntuga.com
filmesnovos.biz
minijogos.info
odemira.net
pingsp.com
pintojj.com
santaclaraavelha.net
skpro.pt
vnmilfontes.net
zambujeira.net
used as nameserver but missing in zone
3grandes.com
acqualimento.com
bitela.net
carpiveiras.com
comentarioshi5.net
dragosports.com
dreams-sexshop.com
ruination.com.pt
techmain.net
tokluso.pt