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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
192.119.111.160
AS54290 Hostwinds LLC. BAD_RESPONSE Returns unexpected response codes 90%
172.235.158.49
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 90%
70.117.56.250
AS11427 TWC-11427-TEXAS BAD_RESPONSE Returns unexpected response codes 88%
96.74.95.33
AS7922 Comcast Cable Communications, LLC BAD_RESPONSE Returns unexpected response codes 86%
23.216.53.255
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 86%
173.223.98.92
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.99.118
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.99.129
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
156.154.71.32
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.66
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.44
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
156.154.71.29
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 85%
173.223.99.23
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.39
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.99.192
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
8.25.184.107
AS23089 HOTWIRE-COMMUNICATIONS BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.52
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.19
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.23
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 85%
173.223.98.74
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 84%
173.223.99.255
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 84%
173.223.98.134
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 83%
173.223.98.70
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 83%
96.7.137.107
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 83%
23.216.52.47
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 83%
23.216.53.151
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 82%
173.223.99.182
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 82%
173.223.98.80
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 82%
173.223.99.181
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 82%
68.65.121.36
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 82%
23.216.53.176
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 82%
173.223.98.122
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 81%
173.223.99.195
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 81%
208.25.96.3
AS22200 Bloomingdale Communications Inc. BAD_RESPONSE Returns unexpected response codes 81%
156.154.71.46
AS397215 SECURITYSERVICES BAD_RESPONSE Returns unexpected response codes 81%
216.126.220.4
AS7018 ATT-INTERNET4 BAD_RESPONSE Returns unexpected response codes 81%
173.223.98.192
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 81%
173.223.99.159
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 81%
173.223.98.0
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 81%
173.223.98.182
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 80%
96.7.136.107
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 80%
173.223.99.134
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 79%
173.223.98.118
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 79%
173.223.99.33
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 78%
23.216.52.128
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 78%
96.7.136.100
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
23.216.53.180
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
173.223.99.251
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
173.223.99.70
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
173.223.99.74
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 76%
173.223.99.232
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 76%
160.238.36.244
AS47583 Hostinger International Limited BAD_RESPONSE Returns unexpected response codes 76%
96.7.136.5
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 76%
173.223.99.52
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 75%
72.45.131.66
AS11351 TWC-11351-NORTHEAST BAD_RESPONSE Returns unexpected response codes 75%
156.154.71.52
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 75%
23.216.53.34
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 75%
156.154.71.58
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 75%
96.7.136.160
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 74%
173.223.99.80
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 74%
96.7.137.168
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 73%
157.230.209.130
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 73%
156.154.71.40
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 73%
96.7.137.100
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 72%
96.7.137.82
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 72%
156.154.71.48
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 72%
173.223.99.72
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 71%
156.154.71.51
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 71%
156.154.71.5
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 69%
156.154.71.6
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 69%
156.154.71.57
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 69%
156.154.71.43
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 68%
192.64.115.40
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 68%
156.154.71.55
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 62%
96.7.137.64
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 59%
96.7.136.64
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 59%
169.47.252.4
AS36351 IBM Cloud BAD_RESPONSE Returns unexpected response codes 59%
216.139.32.45
AS4307 SOUTH VALLEY INTERNET BAD_RESPONSE Returns unexpected response codes 59%
156.154.71.8
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 57%
156.154.71.61
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 56%
156.154.71.59
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 56%
192.169.154.227
AS398101 GO-DADDY-COM-LLC BAD_RESPONSE Returns unexpected response codes 54%
68.178.163.171
AS26496 GoDaddy.com, LLC BAD_RESPONSE Returns unexpected response codes 53%
104.131.174.72
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 52%
156.154.71.64
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 50%
138.128.189.171
AS33182 HostDime.com, Inc. BAD_RESPONSE Returns unexpected response codes 48%
15.204.155.225
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 47%
129.158.246.32
AS31898 Oracle Corporation BAD_RESPONSE Returns unexpected response codes 47%
156.154.71.60
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 47%
208.88.44.6
AS53451 NetX Internet, LLC. BAD_RESPONSE Returns unexpected response codes 45%
74.112.164.55
AS33627 VISTEON BAD_RESPONSE Returns unexpected response codes 43%
74.209.162.5
AS11739 Digital Fortress, Inc. BAD_RESPONSE Returns unexpected response codes 43%
51.81.240.15
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 43%
50.47.64.50
AS20055 Wholesail networks LLC BAD_RESPONSE Returns unexpected response codes 43%
50.47.64.53
AS20055 Wholesail networks LLC BAD_RESPONSE Returns unexpected response codes 43%
50.47.64.55
AS20055 Wholesail networks LLC BAD_RESPONSE Returns unexpected response codes 43%
45.77.118.158
AS20473 The Constant Company, LLC BAD_RESPONSE Returns unexpected response codes 43%
66.228.32.185
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 43%
156.154.71.9
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 41%
23.111.184.9
AS29802 HVC-AS BAD_RESPONSE Returns unexpected response codes 39%
217.79.247.238
AS29802 HVC-AS BAD_RESPONSE Returns unexpected response codes 39%
23.216.53.118
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 39%
147.79.75.198
AS47583 Hostinger International Limited BAD_RESPONSE Returns unexpected response codes 39%
104.238.229.4
AS26863 Gameserverkings BAD_RESPONSE Returns unexpected response codes 39%
156.154.70.8
AS397213 ULTRADNS BAD_RESPONSE Returns unexpected response codes 36%
156.154.70.9
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 36%
206.130.120.153
AS13213 Thg Hosting Limited BAD_RESPONSE Returns unexpected response codes 35%
172.190.244.61
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 34%
173.234.25.154
AS63018 Dedicated.com BAD_RESPONSE Returns unexpected response codes 34%
173.234.25.155
AS63018 Dedicated.com BAD_RESPONSE Returns unexpected response codes 34%
173.234.25.156
AS63018 Dedicated.com BAD_RESPONSE Returns unexpected response codes 34%
173.234.25.157
AS63018 Dedicated.com BAD_RESPONSE Returns unexpected response codes 34%
173.234.25.158
AS63018 Dedicated.com BAD_RESPONSE Returns unexpected response codes 34%
51.81.209.126
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 29%
15.204.245.199
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 29%
52.23.27.219
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 27%
208.249.244.2
AS17119 KAMPUNG BAD_RESPONSE Returns unexpected response codes 25%
216.227.189.192
AS30058 FDCservers.net BAD_RESPONSE Returns unexpected response codes 25%
69.88.0.17
AS30362 HPT-ASN BAD_RESPONSE Returns unexpected response codes 20%
162.243.166.122
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 19%
38.110.1.45
AS63023 GTHost BAD_RESPONSE Returns unexpected response codes 18%
20.25.192.243
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 18%
104.226.60.33
AS5650 Frontier Communications of America, Inc. BAD_RESPONSE Returns unexpected response codes 17%
98.82.67.177
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 16%
209.145.56.131
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 15%
52.116.181.86
AS36351 IBM Cloud BAD_RESPONSE Returns unexpected response codes 14%
198.71.62.239
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 14%
98.189.213.222
AS22773 ASN-CXA-ALL-CCI-22773-RDC BAD_RESPONSE Returns unexpected response codes 13%
156.154.71.25
AS397215 ULTRADNS BAD_RESPONSE Returns unexpected response codes 12%
134.199.210.253
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 12%
156.154.71.23
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 12%
156.154.71.20
AS397215 SECURITYSERVICES BAD_RESPONSE Returns unexpected response codes 12%
156.154.71.27
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 12%
156.154.71.21
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 10%
20.163.14.26
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 10%
165.227.70.162
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 10%
185.228.169.223
AS205157 Daniel Cid BAD_RESPONSE Returns unexpected response codes 10%
185.228.168.223
AS205157 Daniel Cid BAD_RESPONSE Returns unexpected response codes 10%
162.243.16.159
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 10%
209.126.106.250
AS30083 velia.net BAD_RESPONSE Returns unexpected response codes 10%
155.138.254.190
AS20473 The Constant Company, LLC BAD_RESPONSE Returns unexpected response codes 10%
173.223.99.22
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 9%
173.223.98.22
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 9%
104.36.110.192
AS53914 Genesis Hosting Solutions, LLC BAD_RESPONSE Returns unexpected response codes 8%
134.209.220.16
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 8%
159.198.74.199
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 8%
66.216.47.29
AS19151 BBO-1 BAD_RESPONSE Returns unexpected response codes 8%
38.107.236.238
AS49791 Newserverlife LLC BAD_RESPONSE Returns unexpected response codes 6%
66.29.136.6
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 6%
66.29.136.14
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 6%
107.20.219.0
AS14618 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 6%
23.228.179.101
AS16591 Google Fiber Inc. BAD_RESPONSE Returns unexpected response codes 5%
216.246.113.85
AS23352 DEFT.COM BAD_RESPONSE Returns unexpected response codes 5%
104.248.186.117
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 5%
208.77.239.140
AS40511 FIRELINE BAD_RESPONSE Returns unexpected response codes 5%
156.154.71.24
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 5%
156.154.71.22
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 5%
156.154.71.26
AS12008 Vercara, LLC BAD_RESPONSE Returns unexpected response codes 5%
192.241.205.38
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 4%
206.189.168.84
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 3%
74.208.237.87
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 3%
178.128.1.21
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 3%
159.203.104.136
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 3%
213.210.13.6
AS47583 Hostinger International Limited BAD_RESPONSE Returns unexpected response codes 2%
199.192.22.128
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 2%
199.192.22.137
AS22612 Namecheap, Inc. BAD_RESPONSE Returns unexpected response codes 2%
134.209.209.22
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
134.199.180.63
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
104.248.110.33
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
138.68.46.220
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
167.99.144.203
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
64.5.130.2
AS11221 WHRONET BAD_RESPONSE Returns unexpected response codes 2%
157.230.179.141
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
143.198.110.216
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 2%
68.64.126.27
AS1640 Thacker-Grigsby Communications BAD_RESPONSE Returns unexpected response codes 2%
107.150.1.246
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 2%
208.93.60.20
AS46258 ESC3 BAD_RESPONSE Returns unexpected response codes 2%
154.53.47.181
AS40021 Contabo Inc. BAD_RESPONSE Returns unexpected response codes 1%
104.236.198.189
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
104.168.133.82
AS54290 Hostwinds LLC. BAD_RESPONSE Returns unexpected response codes 1%
206.189.165.31
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
67.205.174.156
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
40.160.53.67
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
40.160.53.90
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
193.42.36.76
AS59711 HZ Hosting Ltd BAD_RESPONSE Returns unexpected response codes 1%
15.204.156.86
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
15.204.156.20
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
15.204.156.18
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
15.204.153.30
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
69.164.211.79
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 1%
198.136.58.194
AS33182 HostDime.com, Inc. BAD_RESPONSE Returns unexpected response codes 1%
173.223.101.214
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 1%
173.223.100.214
AS21342 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 1%
138.197.67.33
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
45.55.122.170
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
24.199.116.202
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
174.138.66.246
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
165.227.201.145
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%
143.20.170.73
AS26042 FiberState, LLC BAD_RESPONSE Returns unexpected response codes 1%
167.71.247.172
AS14061 DigitalOcean, LLC BAD_RESPONSE Returns unexpected response codes 1%

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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