go
ns3.surfnet.nl has one IP number , which also has a corresponding reverse pointer. sn.forfun.net point to the same IP. l1.nl, sec.nl, icn.nl, glr.nl, w3c.nl and at least 100 other hosts use this as a nameserver. surfnet.nl is a domain controlled by four nameservers at ja.net having a total of five IP numbers. All of them are on different IP networks. Incoming mail for surfnet.nl is handled by two mailservers having a total of four IP numbers. Two of them are on the same IP network. ns3.surfnet.nl is hosted on a server in Netherlands.

ns3.surfnet.nl
a records
 
+ 195.169.124.71 195.169.0.0/16 AS1103 -
+ --- -

surfnet.nl
ns-soa records
ns3.surfnet.nl
+ 195.169.124.71 195.169.0.0/16 AS1103 -
+ --- -
ns records
ns1.surfnet.nl
+ 192.87.106.101 192.87.106.0/24 AS1103 -
+ --- -
ns3.surfnet.nl
+ 195.169.124.71 195.169.0.0/16 AS1103 -
ns2.surfnet.nl
+ 192.87.36.2 192.87.36.0/24 AS1103 -
ns0.ja.net
+ 128.86.1.20 128.86.0.0/16 AS786 -
+ 193.63.94.20 193.60.0.0/14 AS786 -
mx records
mx-1.mf.surf.net
+ 192.87.102.74 192.87.102.0/24 AS1103 filter6-ams.mf.surf.net
+ --- filter6-ams.mf.surf.net
+ 194.171.167.221 194.171.167.0/24 AS1103  
+ ---  
mx-a.mf.surf.net
+ 194.171.167.222 194.171.167.0/24 AS1103 filter6-til.mf.surf.net
+ --- filter6-til.mf.surf.net
+ 195.169.124.156 195.169.0.0/16 AS1103 filter5-nij.mf.surf.net
+ --- filter5-nij.mf.surf.net
IP numbers of host
195.169.124.71
PTRs of IP numbers
ns3.surfnet.nl
IP numbers using PTR to this host
195.169.124.71
Host names sharing IP with A records
sn.forfun.net
Domains using this as name server
0.124.169.195.in-addr.arpa
100.145.in-addr.arpa
106.87.192.in-addr.arpa
108.87.192.in-addr.arpa
110.87.192.in-addr.arpa
113.42.192.in-addr.arpa
116.145.in-addr.arpa
116.87.192.in-addr.arpa
117.87.192.in-addr.arpa
118.145.in-addr.arpa
120.145.in-addr.arpa
120.42.192.in-addr.arpa
124.169.195.in-addr.arpa
129.145.in-addr.arpa
133.145.in-addr.arpa
134.145.in-addr.arpa
135.145.in-addr.arpa
136.145.in-addr.arpa
137.145.in-addr.arpa
139.145.in-addr.arpa
140.145.in-addr.arpa
143.145.in-addr.arpa
145.145.in-addr.arpa
146.145.in-addr.arpa
149.145.in-addr.arpa
153.145.in-addr.arpa
157.145.in-addr.arpa
162.145.in-addr.arpa
163.145.in-addr.arpa
164.145.in-addr.arpa
166.145.in-addr.arpa
167.145.in-addr.arpa
168.145.in-addr.arpa
169.145.in-addr.arpa
169.195.in-addr.arpa
171.194.in-addr.arpa
178.145.in-addr.arpa
179.145.in-addr.arpa
182.145.in-addr.arpa
183.145.in-addr.arpa
188.145.in-addr.arpa
189.145.in-addr.arpa
196.145.in-addr.arpa
205.145.in-addr.arpa
222.97.145.in-addr.arpa
224.116.145.in-addr.arpa
23.87.192.in-addr.arpa
36.87.192.in-addr.arpa
41.145.in-addr.arpa
5.87.192.in-addr.arpa
6net.org
87.192.in-addr.arpa
94.150.192.in-addr.arpa
97.145.in-addr.arpa
98.145.in-addr.arpa
99.145.in-addr.arpa
a-select.org
a3.surf.net
antivirus.net
as1101.net
as1103.net
biemolt.com
biemolt.net
customer.surf.net
cwis-nl.nl
each.nl
edukit.nl
eduroam.com
eduroam.nl
eduroam.org
eindhoven.com
fiveminutes.nl
flex.surfnet.nl
gigaport.nl
gigasurf.net
glr.nl
hinrich.net
hummelnet.net
ibb.sshunet.nl
icn.nl
ids.surfnet.nl
intern.surfnet.nl
internetstemmen.nl
ipv6.surfnet.nl
knmi.nl
kogels.com
l1.nl
laatjenietpakken.nl
linh.nl
mxf.surf.net
netherlight.net
netherlight.nl
nic.surfnet.nl
nivel.nl
nlweb.com
overijsselopwielen.nl
phaze-iii.sec.nl
rilland.net
rtvoost.nl
sec.nl
showcase.surfnet.nl
snelnet.nl
spamhaus.org
sshunet.nl
sterrenkunde.nl
stichtingtq.nl
stu.glr.nl
student.nl
studentenonline.net
surf3d.nl
surfgroepen.nl
surfids.net
surfkit.nl
surfnet-tv.nl
surfnetters.nl
surfnetthuis.nl
test.surfgroepen.nl
w3c.nl
wierenga.net
wind.surfnet.nl
Domains using this as name server under another name
175.145.in-addr.arpa
177.145.in-addr.arpa
181.145.in-addr.arpa
185.145.in-addr.arpa
197.145.in-addr.arpa
198.145.in-addr.arpa
200.145.in-addr.arpa
202.145.in-addr.arpa
206.145.in-addr.arpa
208.145.in-addr.arpa
212.145.in-addr.arpa
214.145.in-addr.arpa
215.145.in-addr.arpa
forfun.net
ipv6.cwi.nl
Used as name server but missing in parent delegation
235.116.145.in-addr.arpa
Used as name server but missing in zone
0.124.169.195.in-addr.arpa
234.116.145.in-addr.arpa
mxf.surf.net