PublicDNS.info Live-tested public DNS
Retested every 72 hours.

DNS Server Issues in Switzerland

46 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

46 servers
IP ASN Organization Issue Description Reliability
195.15.247.251
AS29222 Infomaniak Network SA BAD_RESPONSE Returns unexpected response codes 62%
81.62.235.182
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 27%
85.195.233.252
AS13030 Init7 (Switzerland) Ltd. BAD_RESPONSE Returns unexpected response codes 23%
84.253.60.42
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 8%
77.59.197.94
AS6830 Liberty Global B.V. BAD_RESPONSE Returns unexpected response codes 6%
193.135.59.35
AS31051 Online Travel Ag BAD_RESPONSE Returns unexpected response codes 6%
81.17.27.162
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.27.163
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.27.164
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.27.165
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.27.166
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.28.217
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.29.198
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.29.252
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
81.17.29.253
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
46.231.204.76
AS21069 METANET AG BAD_RESPONSE Returns unexpected response codes 5%
38.180.84.13
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
146.4.4.236
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
146.4.4.237
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
146.4.32.38
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
146.4.47.126
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
146.4.30.147
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
146.4.10.234
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
141.255.161.166
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
141.255.161.174
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
141.255.166.131
AS51852 Private Layer INC BAD_RESPONSE Returns unexpected response codes 5%
140.238.210.121
AS31898 Oracle Corporation BAD_RESPONSE Returns unexpected response codes 5%
109.164.201.207
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
109.164.237.9
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
109.164.210.185
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
109.164.217.162
AS3303 Bluewin BAD_RESPONSE Returns unexpected response codes 5%
85.195.210.243
AS13030 Init7 (Switzerland) Ltd. BAD_RESPONSE Returns unexpected response codes 5%
20.208.46.123
AS8075 Microsoft Corporation CENSORED Censors or filters certain domains 99%
185.143.100.221
AS29222 Infomaniak Network SA CENSORED Censors or filters certain domains 99%
80.74.130.130
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.176
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.177
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.178
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.179
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.181
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.182
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.183
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.184
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.185
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.187
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%
80.74.130.189
AS21069 METANET AG NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 98%

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.

Related