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DNS Server Issues in United Kingdom

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

Last updated: · All countries

Servers with issues

58 servers
IP ASN Organization Issue Description Reliability
94.76.192.228
AS29550 Simply Transit Ltd BAD_RESPONSE Returns unexpected response codes 90%
94.76.219.33
AS29550 Simply Transit Ltd BAD_RESPONSE Returns unexpected response codes 90%
93.97.212.7
AS35228 Telefonica O2 UK BAD_RESPONSE Returns unexpected response codes 90%
92.48.104.171
AS29550 Simply Transit Ltd BAD_RESPONSE Returns unexpected response codes 90%
82.145.63.154
AS20860 Iomart Cloud Services Limited BAD_RESPONSE Returns unexpected response codes 90%
80.95.202.8
AS51561 ICUK Computing Services Limited BAD_RESPONSE Returns unexpected response codes 90%
78.129.131.138
AS20860 Iomart Cloud Services Limited BAD_RESPONSE Returns unexpected response codes 90%
77.68.79.87
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 90%
77.68.32.150
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 90%
5.10.25.83
AS60610 Amito Ltd BAD_RESPONSE Returns unexpected response codes 90%
217.19.242.116
AS60819 Safenames Ltd. BAD_RESPONSE Returns unexpected response codes 90%
217.114.41.86
AS398343 BAXET-GROUP BAD_RESPONSE Returns unexpected response codes 90%
212.187.140.53
AS3356 LEVEL3 BAD_RESPONSE Returns unexpected response codes 90%
20.117.105.207
AS8075 MICROSOFT-CORP-MSN-AS-BLOCK BAD_RESPONSE Returns unexpected response codes 90%
195.74.68.3
AS41246 Electronic Media Services Ltd BAD_RESPONSE Returns unexpected response codes 90%
195.224.9.233
AS5413 Daisy Corporate Services Trading Ltd BAD_RESPONSE Returns unexpected response codes 90%
194.72.35.195
AS2856 British Telecommunications PLC BAD_RESPONSE Returns unexpected response codes 90%
109.68.15.212
AS50023 Vcg Technology Services Limited BAD_RESPONSE Returns unexpected response codes 90%
91.109.114.217
AS42831 UK Dedicated Servers Limited BAD_RESPONSE Returns unexpected response codes 77%
51.38.68.90
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 77%
20.26.122.93
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.254.204.199
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
176.126.243.211
AS44684 Mythic Beasts Ltd BAD_RESPONSE Returns unexpected response codes 77%
132.145.57.17
AS31898 Oracle Corporation BAD_RESPONSE Returns unexpected response codes 77%
109.74.200.108
AS63949 Akamai Connected Cloud BAD_RESPONSE Returns unexpected response codes 77%
109.228.55.36
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.55.251
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.51.180
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.51.183
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.52.157
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.52.189
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.8.185
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.37.171
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.38.85
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.38.206
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.38.222
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.46.157
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.47.147
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.47.149
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.56.69
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.56.145
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.56.168
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
109.228.58.196
AS8560 IONOS SE BAD_RESPONSE Returns unexpected response codes 77%
217.114.41.170
AS398343 BAXET-GROUP BAD_RESPONSE Returns unexpected response codes 63%
217.65.165.66
AS8676 PRT Systems Limited BAD_RESPONSE Returns unexpected response codes 54%
88.80.191.163
AS63949 Akamai Connected Cloud CENSORED Censors or filters certain domains 87%
82.148.225.62
AS25376 Netnorth Limited CENSORED Censors or filters certain domains 87%
51.89.228.77
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
51.38.64.52
AS16276 OVH SAS CENSORED Censors or filters certain domains 87%
20.77.7.235
AS8075 Microsoft Corporation CENSORED Censors or filters certain domains 87%
172.237.100.40
AS63949 Akamai Connected Cloud CENSORED Censors or filters certain domains 87%
134.122.99.49
AS14061 DigitalOcean, LLC CENSORED Censors or filters certain domains 87%
109.169.69.5
AS20860 Iomart Cloud Services Limited CENSORED Censors or filters certain domains 87%
109.169.14.2
AS20860 Iomart Cloud Services Limited CENSORED Censors or filters certain domains 87%
176.58.113.172
AS63949 Akamai Technologies, Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 90%
51.38.64.120
AS16276 OVH SAS NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
51.195.149.130
AS16276 OVH SAS NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 72%
178.128.46.208
AS14061 DIGITALOCEAN-ASN NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 68%

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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