mx.colt.net DNS trace

Root zone

These servers manage the DNS root zone

a.root-servers.net

198.41.0.4

AS396549

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

AS396661

Anycast IP

2001:503:c27::2:30

AS396661

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

net.

These servers manage the net zone

a.gtld-servers.net

192.5.6.30

AS396549

Anycast IP

2001:503:a83e::2:30

AS396549

Anycast IP

b.gtld-servers.net

192.33.14.30

AS396661

Anycast IP

2001:503:231d::2:30

AS396654

Anycast IP

c.gtld-servers.net

192.26.92.30

AS396549

Anycast IP

2001:503:83eb::30

AS396549

Anycast IP

d.gtld-servers.net

192.31.80.30

AS396549

Anycast IP

2001:500:856e::30

AS396549

Anycast IP

e.gtld-servers.net

192.12.94.30

AS396549

Anycast IP

2001:502:1ca1::30

AS396549

Anycast IP

f.gtld-servers.net

192.35.51.30

AS397197

Anycast IP

2001:503:d414::30

AS397197

Anycast IP

g.gtld-servers.net

192.42.93.30

AS397197

Anycast IP

2001:503:eea3::30

AS397197

Anycast IP

h.gtld-servers.net

192.54.112.30

AS397197

Anycast IP

2001:502:8cc::30

AS397197

Anycast IP

i.gtld-servers.net

192.43.172.30

AS397197

Anycast IP

2001:503:39c1::30

AS397197

Anycast IP

j.gtld-servers.net

192.48.79.30

AS396566

Anycast IP

2001:502:7094::30

AS19836

Anycast IP

k.gtld-servers.net

192.52.178.30

AS396566

Anycast IP

2001:503:d2d::30

AS19836

Anycast IP

l.gtld-servers.net

192.41.162.30

AS396566

Anycast IP

2001:500:d937::30

AS19836

Anycast IP

m.gtld-servers.net

192.55.83.30

AS396566

Anycast IP

2001:501:b1f9::30

AS19836

Anycast IP

all servers delegate to

colt.net.

These servers manage the colt.net zone

ns20.colt.net

213.41.0.232

AS8220

France

ns21.colt.net

213.185.161.68

AS8220

Austria

all servers delegate to

mx.colt.net.

These servers manage the mx.colt.net zone

mc21.lon.server.colt.net

mc23.lon.server.colt.net

mc25.lon.server.colt.net

mc29.lon.server.colt.net

mc31.lon.server.colt.net

mc33.lon.server.colt.net

mc53.fra.server.colt.net

mc55.fra.server.colt.net

mc67.fra.server.colt.net

mc69.fra.server.colt.net

Inconsistent responses

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

7 servers mc21.lon.server.colt.net./212.74.77.101 mc23.lon.server.colt.net./212.74.77.103 mc25.lon.server.colt.net./212.74.77.105 mc29.lon.server.colt.net./212.74.77.109 mc31.lon.server.colt.net./212.74.77.111 mc53.fra.server.colt.net./212.74.78.110 mc69.fra.server.colt.net./212.74.78.100

3 servers (timed out) mc33.lon.server.colt.net./212.74.77.113 mc55.fra.server.colt.net./212.74.78.109 mc67.fra.server.colt.net./212.74.78.108

These servers claim authority over mx.colt.net

These servers timed out.