go
dns1.telstra.net has one IP number , which also has a corresponding reverse pointer. t.audns.net.au point to the same IP. id.au, asn.au, net.au, edu.au, com.au and at least 100 other hosts use this as a nameserver. telstra.net is a domain controlled by four nameservers. Two of them are on the same IP network. Incoming mail for telstra.net is handled by two mailservers at telstra.net themselves. They are on the same IP network. dns1.telstra.net is hosted on a server in Australia.

dns1.telstra.net
a records
 
+ 203.50.5.200 203.48.0.0/14 AS1221 -
+ --- -

telstra.net
ns-soa records
dns0.telstra.net
+ 203.50.5.199 203.48.0.0/14 AS1221 -
+ --- -
ns records
dns1.telstra.net
+ 203.50.5.200 203.48.0.0/14 AS1221 -
+ --- -
dns0.telstra.net
+ 203.50.5.199 203.48.0.0/14 AS1221 -
sec1.apnic.net
+ 202.12.29.59 202.12.29.0/24 AS4608 cumin.apnic.net
+ --- cumin.apnic.net
sec3.apnic.net
+ 202.12.28.140 202.12.28.0/24 AS4777 -
+ --- -
mx records
pit-mail.telstra.net
+ 203.50.40.14 203.48.0.0/14 AS1221 -
+ --- -
exi-mail.telstra.net
+ 203.50.90.14 203.48.0.0/14 AS1221 -
ip numbers of host
203.50.5.200
ptrs of ip numbers
dns1.telstra.net
ip numbers using ptr to this host
203.50.5.200
hostnames sharing ip with a-records
t.audns.net.au
domains using this as nameserver
0.50.203.in-addr.arpa
1.228.165.in-addr.arpa
103.38.203.in-addr.arpa
11.228.165.in-addr.arpa
11.41.203.in-addr.arpa
113.36.203.in-addr.arpa
117.43.203.in-addr.arpa
130.139.in-addr.arpa
130.48.203.in-addr.arpa
131.144.in-addr.arpa
133.49.203.in-addr.arpa
135.144.in-addr.arpa
138.36.203.in-addr.arpa
14.43.203.in-addr.arpa
143.39.203.in-addr.arpa
148.42.203.in-addr.arpa
15.41.203.in-addr.arpa
150.228.165.in-addr.arpa
153.49.203.in-addr.arpa
155.228.165.in-addr.arpa
161.44.203.in-addr.arpa
163.58.in-addr.arpa
173.36.203.in-addr.arpa
173.39.203.in-addr.arpa
176.124.in-addr.arpa
177.124.in-addr.arpa
181.36.203.in-addr.arpa
181.49.203.in-addr.arpa
2.14.203.in-addr.arpa
2.50.203.in-addr.arpa
201.52.203.in-addr.arpa
202.42.203.in-addr.arpa
202.in-addr.arpa
203.38.203.in-addr.arpa
203.in-addr.arpa
209.121.in-addr.arpa
210.121.in-addr.arpa
210.in-addr.arpa
211.in-addr.arpa
214.49.203.in-addr.arpa
217.228.165.in-addr.arpa
217.49.203.in-addr.arpa
219.41.203.in-addr.arpa
219.58.203.in-addr.arpa
226.60.in-addr.arpa
227.60.in-addr.arpa
228.165.in-addr.arpa
228.38.203.in-addr.arpa
229.60.in-addr.arpa
231.228.165.in-addr.arpa
231.60.in-addr.arpa
234.35.203.in-addr.arpa
234.39.203.in-addr.arpa
24.46.203.in-addr.arpa
3.228.165.in-addr.arpa
3.39.203.in-addr.arpa
3.50.203.in-addr.arpa
30.53.203.in-addr.arpa
33.44.203.in-addr.arpa
35.203.in-addr.arpa
35.44.203.in-addr.arpa
36.203.in-addr.arpa
37.203.in-addr.arpa
38.203.in-addr.arpa
39.203.in-addr.arpa
4.50.203.in-addr.arpa
40.203.in-addr.arpa
40.41.203.in-addr.arpa
41.203.in-addr.arpa
42.203.in-addr.arpa
43.203.in-addr.arpa
43.39.203.in-addr.arpa
44.203.in-addr.arpa
46.203.in-addr.arpa
46.37.203.in-addr.arpa
47.203.in-addr.arpa
48.203.in-addr.arpa
49.203.in-addr.arpa
5.50.203.in-addr.arpa
50.203.in-addr.arpa
50.41.203.in-addr.arpa
52.203.in-addr.arpa
53.203.in-addr.arpa
54.228.165.in-addr.arpa
58.203.in-addr.arpa
59.43.203.in-addr.arpa
6.14.203.in-addr.arpa
6.228.165.in-addr.arpa
60.49.203.in-addr.arpa
64.228.165.in-addr.arpa
68.52.203.in-addr.arpa
69.37.203.in-addr.arpa
7.41.203.in-addr.arpa
70.47.203.in-addr.arpa
8.135.144.in-addr.arpa
87.35.203.in-addr.arpa
88.228.165.in-addr.arpa
9.43.203.in-addr.arpa
9.53.203.in-addr.arpa
93.44.203.in-addr.arpa
93.58.203.in-addr.arpa
94.37.203.in-addr.arpa
96.38.203.in-addr.arpa
asn.au
aunic.net
com.au
csiro.au
edu.au
gov.au
id.au
ilo.telstra.net
lnk.telstra.net
net.au
news.telstra.net
onsite.telstra.net
org.au
telstra.com
telstra.net
telstra.net.au
used as nameserver but missing in parent delegation
40.41.203.in-addr.arpa
53.43.203.in-addr.arpa
6onbeach.com.au
allergymanagement.com.au
bankstownflorists.com.au
bnioverdrive.com.au
bombaymahal.com.au
brisbanesflorist.com.au
cairnsflorist.net.au
excellerate09.com.au
goldcoastsflorist.com.au
horsegearaustralia.com.au
imaginegames.com.au
ipswichflorists.com.au
itwc.com.au
johnsunolstaxiservice.com.au
loganflorist.com.au
macroenergy.com.au
npiaaustralia.com.au
parramattaflorists.com.au
penrithflorists.com.au
reallifeseminars.com.au
rubbishwarriors.com.au
stirlingflorist.com.au
susiebarnes.com.au
thegirllovestoshop.com.au
therentbuyblog.com.au
trustedcleaning.com.au
vintageattic.com.au
wollongongsflorist.com.au
xtremefireworks.com.au
used as nameserver but missing in zone
1.6.e164.arpa
24wf.org
94.39.203.in-addr.arpa
fiattasmania.com.au
hishermag.com
lnk.telstra.net.au
longtailasset.com
sckarate.com.au