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DNS Server Issues in United States

200 DNS servers in United States with detected issues. These servers respond to probes but have problems that may affect usability.

Last updated: · All countries

Servers with issues

200 servers
IP ASN Organization Issue Description Reliability
185.228.169.201
AS205157 Daniel Cid BAD_RESPONSE Returns unexpected response codes 89%
185.228.168.201
AS205157 Daniel Cid BAD_RESPONSE Returns unexpected response codes 89%
107.20.219.0
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 89%
194.195.214.7
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 87%
156.154.71.56
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 86%
156.154.70.19
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 84%
156.154.71.53
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 82%
156.154.71.55
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 82%
156.154.71.7
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 81%
156.154.71.57
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 81%
156.154.71.52
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 81%
191.101.15.147
AS47583 Hostinger International Limited BAD_RESPONSE Returns unexpected response codes 81%
156.154.71.18
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 81%
156.154.71.48
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 81%
156.154.70.18
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 80%
23.228.179.101
AS16591 Google Fiber Inc. BAD_RESPONSE Returns unexpected response codes 80%
156.154.71.16
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 80%
24.38.174.104
AS25710 i3 Broadband BAD_RESPONSE Returns unexpected response codes 78%
156.154.71.58
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 77%
156.154.71.8
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 76%
156.154.71.51
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 75%
156.154.71.6
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 75%
75.150.197.154
AS7922 COMCAST-7922 BAD_RESPONSE Returns unexpected response codes 75%
156.154.71.59
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 74%
40.114.69.73
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK BAD_RESPONSE Returns unexpected response codes 74%
156.154.71.61
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 74%
156.154.71.60
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 73%
156.154.71.50
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 72%
156.154.71.62
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 67%
208.97.140.7
AS26347 New Dream Network, LLC BAD_RESPONSE Returns unexpected response codes 65%
192.241.205.38
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 62%
208.97.133.4
AS26347 New Dream Network, LLC BAD_RESPONSE Returns unexpected response codes 61%
154.53.39.53
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 56%
54.235.14.52
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 53%
50.247.134.226
AS7922 COMCAST-7922 BAD_RESPONSE Returns unexpected response codes 53%
206.189.168.84
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 52%
74.208.237.87
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 52%
204.152.194.214
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 52%
96.19.228.119
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 50%
24.117.83.32
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 50%
216.212.249.160
AS16700 CNSNext BAD_RESPONSE Returns unexpected response codes 50%
209.6.225.229
AS6079 RCN BAD_RESPONSE Returns unexpected response codes 50%
184.155.90.27
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 50%
139.177.31.204
AS13825 Troy Cablevision, Inc. BAD_RESPONSE Returns unexpected response codes 50%
69.84.73.232
AS11138 BEK Communications Cooperative BAD_RESPONSE Returns unexpected response codes 49%
24.115.239.193
AS3737 PenTeleData Inc. BAD_RESPONSE Returns unexpected response codes 49%
184.155.205.60
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 49%
173.47.7.211
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 49%
24.117.185.37
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 49%
139.177.31.161
AS13825 Troy Cablevision, Inc. BAD_RESPONSE Returns unexpected response codes 49%
135.26.123.48
AS6300 Fidium BAD_RESPONSE Returns unexpected response codes 49%
209.159.206.13
AS20412 Clarity Telecom LLC BAD_RESPONSE Returns unexpected response codes 48%
136.37.26.229
AS16591 Google Fiber Inc. BAD_RESPONSE Returns unexpected response codes 48%
66.211.18.153
AS30264 Columbia Power and Water Systems BAD_RESPONSE Returns unexpected response codes 48%
24.245.204.218
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 48%
24.119.88.24
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 48%
24.117.71.199
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 48%
207.244.139.75
AS63298 Fatbeam, LLC BAD_RESPONSE Returns unexpected response codes 48%
173.47.107.17
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 48%
64.67.89.243
AS3737 PenTeleData Inc. BAD_RESPONSE Returns unexpected response codes 47%
216.16.106.254
AS20412 Clarity Telecom LLC BAD_RESPONSE Returns unexpected response codes 47%
72.24.132.55
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
24.148.79.35
AS6079 RCN BAD_RESPONSE Returns unexpected response codes 47%
24.117.25.171
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
180.181.91.4
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
173.47.13.2
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
142.154.174.92
AS13825 Troy Cablevision, Inc. BAD_RESPONSE Returns unexpected response codes 47%
173.207.94.37
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
50.79.154.34
AS7922 COMCAST-7922 BAD_RESPONSE Returns unexpected response codes 47%
130.44.160.8
AS6079 RCN BAD_RESPONSE Returns unexpected response codes 47%
152.37.196.124
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 47%
156.154.70.21
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 47%
192.145.242.26
AS14828 Hiawatha Broadband Communications, Inc BAD_RESPONSE Returns unexpected response codes 47%
178.128.1.21
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 47%
107.189.53.141
AS393856 City of Westfield (Gas & Electric Light Department) BAD_RESPONSE Returns unexpected response codes 47%
69.84.73.213
AS11138 BEK Communications Cooperative BAD_RESPONSE Returns unexpected response codes 46%
24.117.17.193
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 46%
24.117.166.186
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 46%
24.116.182.210
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 46%
136.52.43.239
AS16591 Google Fiber Inc. BAD_RESPONSE Returns unexpected response codes 46%
107.21.225.59
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 46%
38.254.141.48
AS54936 Wyyerd Group BAD_RESPONSE Returns unexpected response codes 45%
159.118.201.70
AS11492 CABLE ONE, INC. BAD_RESPONSE Returns unexpected response codes 45%
216.16.27.195
AS20412 Clarity Telecom LLC BAD_RESPONSE Returns unexpected response codes 45%
104.131.174.72
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 43%
52.116.181.86
AS36351 IBM Cloud BAD_RESPONSE Returns unexpected response codes 42%
159.203.104.136
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 42%
15.204.155.225
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 42%
156.154.70.36
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 41%
156.154.70.22
AS397213 SECURITYSERVICES BAD_RESPONSE Returns unexpected response codes 41%
73.60.225.72
AS7922 Comcast Cable Communications, LLC BAD_RESPONSE Returns unexpected response codes 40%
156.154.70.4
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 39%
213.210.13.6
AS47583 Hostinger International Limited BAD_RESPONSE Returns unexpected response codes 38%
199.192.22.128
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 38%
199.192.22.137
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 38%
134.209.209.22
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 38%
134.199.180.63
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 38%
104.248.110.33
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 38%
138.68.46.220
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 37%
38.107.236.238
AS49791 Newserverlife LLC BAD_RESPONSE Returns unexpected response codes 35%
209.145.56.131
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 35%
67.134.197.97
AS209 CENTURYLINK-US-LEGACY-QWEST BAD_RESPONSE Returns unexpected response codes 34%
134.199.210.253
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 33%
167.99.144.203
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 32%
64.5.130.2
AS11221 WHRONET BAD_RESPONSE Returns unexpected response codes 32%
157.230.179.141
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 30%
143.198.110.216
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 30%
68.64.126.27
AS1640 Thacker-Grigsby Communications BAD_RESPONSE Returns unexpected response codes 27%
107.150.1.246
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 27%
208.93.60.20
AS46258 ESC3 BAD_RESPONSE Returns unexpected response codes 25%
156.154.70.29
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 25%
66.29.136.6
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 25%
66.29.136.14
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 25%
173.223.99.182
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 25%
104.36.110.192
AS53914 Genesis Hosting Solutions, LLC BAD_RESPONSE Returns unexpected response codes 24%
129.80.165.80
AS31898 Oracle Corporation BAD_RESPONSE Returns unexpected response codes 23%
156.154.70.40
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 23%
54.208.108.228
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 23%
54.208.120.85
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 23%
154.53.47.181
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 22%
104.236.198.189
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 22%
104.168.133.82
AS54290 Hostwinds LLC. BAD_RESPONSE Returns unexpected response codes 22%
206.189.165.31
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 22%
96.7.136.82
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 21%
96.7.137.100
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 21%
67.205.174.156
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 20%
40.160.53.67
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
40.160.53.90
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
193.42.36.76
AS59711 HZ Hosting Ltd BAD_RESPONSE Returns unexpected response codes 20%
15.204.156.86
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.156.18
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.156.20
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.156.0
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.155.251
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.155.252
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.155.255
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
15.204.153.30
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 20%
69.164.211.79
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 19%
96.7.137.82
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 19%
165.227.70.162
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 19%
156.154.70.5
AS397213 SECURITYSERVICES BAD_RESPONSE Returns unexpected response codes 19%
217.77.8.225
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 19%
173.223.99.44
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 18%
156.154.70.41
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 18%
198.136.58.194
AS33182 HostDime.com, Inc. BAD_RESPONSE Returns unexpected response codes 18%
173.223.101.214
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 18%
173.223.100.214
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 18%
138.197.67.33
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 18%
217.77.8.224
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 17%
156.154.70.33
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 17%
96.7.137.0
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 17%
96.65.91.65
AS7922 COMCAST-7922 BAD_RESPONSE Returns unexpected response codes 17%
38.107.236.237
AS49791 Newserverlife LLC BAD_RESPONSE Returns unexpected response codes 17%
156.154.70.28
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 17%
23.59.248.5
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 16%
45.55.122.170
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 16%
24.199.116.202
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 16%
174.138.66.246
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 16%
165.227.201.145
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 16%
143.20.170.73
AS26042 FiberState, LLC BAD_RESPONSE Returns unexpected response codes 16%
20.25.192.243
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 15%
156.154.70.43
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 14%
167.71.247.172
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 14%
143.198.12.158
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 14%
38.107.236.239
AS49791 Newserverlife LLC BAD_RESPONSE Returns unexpected response codes 14%
156.154.71.25
AS397215 ULTRADNS BAD_RESPONSE Returns unexpected response codes 14%
138.68.235.230
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 13%
20.163.14.26
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 13%
156.154.71.24
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 13%
198.199.93.72
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 13%
104.248.186.117
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 11%
156.154.70.42
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 11%
209.145.63.145
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 10%
66.207.46.201
AS27257 WEBAIR-INTERNET BAD_RESPONSE Returns unexpected response codes 10%
156.154.71.21
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 10%
156.154.71.22
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 10%
156.154.71.23
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 10%
156.154.71.26
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 10%
156.154.71.20
AS397215 SECURITYSERVICES BAD_RESPONSE Returns unexpected response codes 10%
156.154.70.34
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 9%
162.223.90.104
AS19084 COLOUP BAD_RESPONSE Returns unexpected response codes 9%
198.58.107.175
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 9%
156.154.71.27
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 9%
23.59.249.152
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 8%
143.110.225.145
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 8%
66.243.10.180
AS3356 LEVEL3 BAD_RESPONSE Returns unexpected response codes 8%
64.139.97.3
AS20474 NCIDATACOM BAD_RESPONSE Returns unexpected response codes 8%
209.234.196.12
AS26421 PONDEROSA-INTERNET BAD_RESPONSE Returns unexpected response codes 8%
208.67.222.2
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
208.67.222.222
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
208.67.220.120
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
208.67.220.220
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
204.156.192.68
AS19009 ONECLEVELAND BAD_RESPONSE Returns unexpected response codes 8%
146.112.41.2
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
146.112.41.4
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
208.67.220.2
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
146.112.41.5
AS36692 OPENDNS BAD_RESPONSE Returns unexpected response codes 8%
157.245.4.174
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 8%
162.243.166.122
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 7%
66.25.11.69
AS11427 TWC-11427-TEXAS BAD_RESPONSE Returns unexpected response codes 7%

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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