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DNS Server Issues in Switzerland

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

Last updated: · All countries

Servers with issues

47 servers
IP ASN Organization Issue Description Reliability
77.59.197.94
AS6830 Liberty Global B.V. BAD_RESPONSE Returns unexpected response codes 90%
193.135.59.35
AS31051 Online Travel Ag BAD_RESPONSE Returns unexpected response codes 90%
81.17.27.162
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.27.163
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.27.164
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.27.165
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.27.166
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.28.217
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.29.198
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.29.252
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
81.17.29.253
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
46.231.201.151
AS21069 METANET AG BAD_RESPONSE Returns unexpected response codes 77%
46.231.201.213
AS21069 METANET AG BAD_RESPONSE Returns unexpected response codes 77%
46.231.204.76
AS21069 METANET AG BAD_RESPONSE Returns unexpected response codes 77%
38.244.144.171
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
38.244.144.224
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
38.180.84.13
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
146.4.4.236
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.4.237
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.47.126
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.101.133
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.101.134
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.30.147
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.32.38
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
146.4.10.234
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
141.255.161.166
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
141.255.161.174
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
141.255.166.131
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 77%
140.238.210.121
AS31898 Oracle Corporation BAD_RESPONSE Returns unexpected response codes 77%
109.164.201.207
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
109.164.237.9
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
109.164.210.185
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
109.164.217.162
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 77%
85.195.210.243
AS13030 Init7 (Switzerland) Ltd. BAD_RESPONSE Returns unexpected response codes 68%
20.208.46.123
AS8075 Microsoft Corporation CENSORED Censors or filters certain domains 87%
80.74.130.176
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.177
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.130
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.187
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.189
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.178
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.179
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.181
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.182
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.183
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.184
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
80.74.130.185
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%

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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