aca.ntu.edu.tw DNS trace

Root zone

These servers manage the DNS root zone

a.root-servers.net

198.41.0.4

AS397197

Anycast IP

2001:503:ba3e::2:30

AS397197

Anycast IP

b.root-servers.net

170.247.170.2

AS394353

Anycast IP

2801:1b8:10::b

AS394353

Anycast IP

c.root-servers.net

192.33.4.12

AS2149

Anycast IP

2001:500:2::c

AS2149

Anycast IP

d.root-servers.net

199.7.91.13

AS10886

Anycast IP

2001:500:2d::d

AS10886

Anycast IP

e.root-servers.net

192.203.230.10

AS21556

Anycast IP

2001:500:a8::e

AS21556

Anycast IP

f.root-servers.net

192.5.5.241

AS3557

Anycast IP

2001:500:2f::f

AS3557

Anycast IP

g.root-servers.net

192.112.36.4

AS5927

Anycast IP

2001:500:12::d0d

AS5927

Anycast IP

h.root-servers.net

198.97.190.53

AS1508

Anycast IP

2001:500:1::53

AS1508

Anycast IP

i.root-servers.net

192.36.148.17

AS29216

Anycast IP

2001:7fe::53

AS29216

Anycast IP

j.root-servers.net

192.58.128.30

AS397197

Anycast IP

2001:503:c27::2:30

AS397197

Anycast IP

k.root-servers.net

193.0.14.129

AS25152

Anycast IP

2001:7fd::1

AS25152

Anycast IP

l.root-servers.net

199.7.83.42

AS20144

Anycast IP

2001:500:9f::42

AS20144

Anycast IP

m.root-servers.net

202.12.27.33

AS7500

Anycast IP

2001:dc3::35

AS7500

Anycast IP

all servers delegate to

tw.

These servers manage the tw zone

a.dns.tw

203.73.24.25

AS4780

Taiwan

2001:45b1:0:5::25

AS4780

Taiwan

anytld.apnic.net

2001:dd8:12::53

AS18366

Anycast IP

202.12.31.53

AS18366

Anycast IP

b.dns.tw

2404:0:10a0::58

AS17709

Taiwan

210.201.138.58

AS9311

Taiwan

c.dns.tw

2001:b020:0:77::1

AS3462

Taiwan

203.66.87.201

AS3462

Taiwan

d.dns.tw

2001:4541:9010:7::186

AS9924

Taiwan

60.199.165.186

AS9924

Taiwan

e.dns.tw

2001:b000:1e0:c000::11

AS3462

Taiwan

211.20.231.11

AS3462

Taiwan

f.dns.tw

40.65.125.222

AS8075

United States of America

g.dns.tw

34.141.111.176

AS396982

Germany

h.dns.tw

2001:500:14:6119:ad::1

AS42

Anycast IP

204.61.216.119

AS42

Anycast IP

Inconsistent responses

We queried these DNS servers, but not all of them returned the same response. Select a group to see their response.

8 servers a.dns.tw./2001:45b1:0:5:0:0:0:25 a.dns.tw./203.73.24.25 d.dns.tw./2001:4541:9010:7:0:0:0:186 d.dns.tw./60.199.165.186 e.dns.tw./2001:b000:1e0:c000:0:0:0:11 e.dns.tw./211.20.231.11 f.dns.tw./40.65.125.222 g.dns.tw./34.141.111.176

8 servers anytld.apnic.net./2001:dd8:12:0:0:0:0:53 anytld.apnic.net./202.12.31.53 b.dns.tw./210.201.138.58 b.dns.tw./2404:0:10a0:0:0:0:0:58 c.dns.tw./2001:b020:0:77:0:0:0:1 c.dns.tw./203.66.87.201 h.dns.tw./2001:500:14:6119:ad:0:0:1 h.dns.tw./204.61.216.119

these servers delegate to

ntu.edu.tw.

These servers manage the ntu.edu.tw zone

dns.ntu.edu.tw

140.112.254.4

AS17716

Taiwan

ntu3.ntu.edu.tw

140.112.2.2

AS17716

Taiwan

all servers delegate to

aca.ntu.edu.tw.

These servers manage the aca.ntu.edu.tw zone

ntuns.ntu.edu.tw

This server claims authority over aca.ntu.edu.tw

edu.tw.

These servers manage the edu.tw zone

a.twnic.net.tw

130.211.241.105

AS396982

Taiwan

211.73.64.22

AS7539

Taiwan

b.twnic.net.tw

103.235.88.1

AS16509

Japan

203.73.24.24

AS4780

Taiwan

2001:45b1:0:5::24

AS4780

Taiwan

c.twnic.net.tw

168.95.192.10

AS3462

Taiwan

d.twnic.net.tw

60.199.165.187

AS9924

Taiwan

202.169.175.130

AS9264

Taiwan

2001:c08:175:128::175:128

AS9264

Taiwan

2001:4541:9010:7::187

AS9924

Taiwan

edudns-a2.edu.tw

140.111.34.133

AS1659

Taiwan

2001:288:0:34::133

AS1659

Taiwan

edudns-a3.edu.tw

140.111.34.134

AS1659

Taiwan

2001:288:0:34::134

AS1659

Taiwan

edudns-a4.edu.tw

140.111.34.136

AS1659

Taiwan

2001:288:0:34::136

AS1659

Taiwan

edudns-c1.edu.tw

140.111.233.3

AS1659

Taiwan

2001:288:0:233::3

AS1659

Taiwan

edudns-c2.edu.tw

140.111.233.4

AS1659

Taiwan

2001:288:0:233::4

AS1659

Taiwan

Inconsistent responses

We queried these DNS servers, but not all of them returned the same response. Select a group to see their response.

18 servers a.twnic.net.tw./130.211.241.105 a.twnic.net.tw./211.73.64.22 b.twnic.net.tw./103.235.88.1 b.twnic.net.tw./2001:45b1:0:5:0:0:0:24 b.twnic.net.tw./203.73.24.24 c.twnic.net.tw./168.95.192.10 d.twnic.net.tw./2001:4541:9010:7:0:0:0:187 d.twnic.net.tw./2001:c08:175:128:0:0:175:128 d.twnic.net.tw./202.169.175.130 d.twnic.net.tw./60.199.165.187 edudns-a3.edu.tw./140.111.34.134 edudns-a3.edu.tw./2001:288:0:34:0:0:0:134 edudns-a4.edu.tw./140.111.34.136 edudns-a4.edu.tw./2001:288:0:34:0:0:0:136 edudns-c1.edu.tw./140.111.233.3 edudns-c1.edu.tw./2001:288:0:233:0:0:0:3 edudns-c2.edu.tw./140.111.233.4 edudns-c2.edu.tw./2001:288:0:233:0:0:0:4

2 servers (timed out) edudns-a2.edu.tw./140.111.34.133 edudns-a2.edu.tw./2001:288:0:34:0:0:0:133

these servers delegate to

ntu.edu.tw.

These servers manage the ntu.edu.tw zone

dns.ntu.edu.tw

140.112.254.4

AS17716

Taiwan

ntu3.ntu.edu.tw

140.112.2.2

AS17716

Taiwan

all servers delegate to

aca.ntu.edu.tw.

These servers manage the aca.ntu.edu.tw zone

ntuns.ntu.edu.tw

This server claims authority over aca.ntu.edu.tw

These servers timed out.