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DNS Server Issues in Canada

88 DNS servers in Canada with detected issues. These servers respond to probes but have problems that may affect usability.

Last updated: · All countries

Servers with issues

88 servers
IP ASN Organization Issue Description Reliability
51.222.156.234
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 90%
198.55.51.73
AS12212 RAVAND BAD_RESPONSE Returns unexpected response codes 90%
184.67.74.179
AS6327 SHAW BAD_RESPONSE Returns unexpected response codes 90%
142.93.157.61
AS14061 DIGITALOCEAN-ASN BAD_RESPONSE Returns unexpected response codes 90%
142.103.1.1
AS393249 UBC BAD_RESPONSE Returns unexpected response codes 90%
137.82.1.1
AS393249 UBC BAD_RESPONSE Returns unexpected response codes 85%
67.43.225.162
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.43.225.247
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.43.232.162
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.11.123
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.11.124
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.4.74
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.4.250
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.4.251
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.5.42
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.5.103
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.5.158
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.11.164
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.14.195
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.14.210
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.14.211
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
67.215.14.212
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
66.70.255.94
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
52.139.24.121
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
51.222.206.230
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
41.77.115.106
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
41.77.117.93
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
41.77.119.162
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
41.77.116.228
AS36666 GloboTech Communications BAD_RESPONSE Returns unexpected response codes 77%
40.82.169.190
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.248.145.30
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.239.240.112
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.172.208.82
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.174.129.47
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.204.25.24
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
4.206.208.142
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.63.88.233
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.39.139.34
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.151.98.35
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.151.98.125
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
192.175.126.44
AS32613 Leaseweb Canada Inc. BAD_RESPONSE Returns unexpected response codes 77%
172.105.8.174
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 77%
167.99.191.222
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 77%
158.69.207.222
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
15.235.37.38
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
15.235.106.7
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
144.217.39.254
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
142.44.199.248
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
142.44.199.250
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
142.44.199.253
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
142.44.199.255
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
66.70.191.58
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
54.39.84.6
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
54.39.84.2
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
54.39.84.14
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
54.39.18.146
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
51.79.82.9
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
51.222.128.67
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
192.99.35.153
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
172.105.109.119
AS63949 Akamai Connected Cloud CENSORED Censors or filters certain domains 87%
172.105.105.184
AS63949 Akamai Connected Cloud CENSORED Censors or filters certain domains 87%
167.114.169.228
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
158.69.55.235
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
158.69.213.226
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
149.56.44.206
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
148.113.192.245
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
148.113.187.223
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
144.217.49.22
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
144.217.49.21
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
142.44.241.147
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
51.79.86.178
AS16276 OVH SAS NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
72.39.69.232
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
72.39.88.11
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
70.83.11.59
AS5769 Videotron Ltee NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
70.54.156.46
AS577 Bell Canada NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
70.51.5.156
AS577 Bell Canada NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
70.50.71.180
AS577 Bell Canada NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
70.48.96.194
AS577 Bell Canada NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
57.134.89.213
AS11290 Cogeco Connexion inc NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
38.35.193.221
AS398721 OXIO NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
24.156.216.93
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
24.150.97.129
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
24.150.87.187
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
24.141.91.77
AS7992 Cogeco Connexion Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
205.234.51.122
AS6058 Northwestel Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
184.163.46.164
AS5769 Videotron Ltee NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
158.69.212.27
AS16276 OVH SAS NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
144.217.95.121
AS16276 OVH SAS NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%

What do these issues mean?

  • REFUSED — Server is online but refuses queries from outside its network. Likely an ISP resolver that only serves its own subscribers.
  • NX_HIJACK — Server works but redirects non-existent domain lookups to its own IP, typically showing ads instead of an error.
  • SERVFAIL — Server responds but returns internal errors. May be misconfigured or overloaded.
  • NETWORK_ERROR — Connection to the server failed at the network level.
  • NO_ANSWER — Server responds to the query but provides no answer data.
  • CENSORED — Server returns different results for certain domains compared to neutral resolvers.

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