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DNS Server Issues in Ireland

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

Last updated: · All countries

Servers with issues

140 servers
IP ASN Organization Issue Description Reliability
91.223.9.9
AS47720 Cork Internet Exchange Limited BAD_RESPONSE Returns unexpected response codes 77%
91.103.2.133
AS47720 Cork Internet Exchange Limited BAD_RESPONSE Returns unexpected response codes 77%
91.103.2.134
AS47720 Cork Internet Exchange Limited BAD_RESPONSE Returns unexpected response codes 77%
91.103.0.2
AS47720 Cork Internet Exchange Limited BAD_RESPONSE Returns unexpected response codes 77%
89.101.128.26
AS6830 Liberty Global Europe Holding B.V. BAD_RESPONSE Returns unexpected response codes 77%
87.44.2.235
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
87.44.34.66
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
87.44.35.115
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
87.252.214.106
AS15830 Equinix (EMEA) Acquisition Enterprises B.V. BAD_RESPONSE Returns unexpected response codes 77%
87.252.214.98
AS15830 Equinix (EMEA) Acquisition Enterprises B.V. BAD_RESPONSE Returns unexpected response codes 77%
85.91.1.19
AS34245 Magnet Networks Limited BAD_RESPONSE Returns unexpected response codes 77%
85.91.1.128
AS34245 Magnet Networks Limited BAD_RESPONSE Returns unexpected response codes 77%
85.91.1.164
AS34245 Magnet Networks Limited BAD_RESPONSE Returns unexpected response codes 77%
84.39.232.10
AS47720 Cork Internet Exchange Limited BAD_RESPONSE Returns unexpected response codes 77%
84.203.136.244
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
84.203.136.245
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
82.141.240.177
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
82.141.240.178
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
80.93.26.11
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
80.93.26.13
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
80.93.17.158
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
80.93.17.197
AS31122 Digiweb ltd BAD_RESPONSE Returns unexpected response codes 77%
78.153.202.24
AS39122 Blacknight Internet Solutions Limited BAD_RESPONSE Returns unexpected response codes 77%
78.153.205.172
AS39122 Blacknight Internet Solutions Limited BAD_RESPONSE Returns unexpected response codes 77%
52.236.26.50
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
52.138.140.188
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
52.236.36.194
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
52.169.78.60
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.68
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.135
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.140
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.148
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.71
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.85
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.199.248.86
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.186.79.160
AS5607 Sky UK Limited BAD_RESPONSE Returns unexpected response codes 77%
51.104.138.207
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
46.51.186.24
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
46.22.135.56
AS39122 Blacknight Internet Solutions Limited BAD_RESPONSE Returns unexpected response codes 77%
38.180.151.205
AS9009 M247 Europe SRL BAD_RESPONSE Returns unexpected response codes 77%
34.240.24.71
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.241.157.106
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.248.17.17
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.249.5.8
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.250.54.30
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.252.74.246
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.252.109.202
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.252.245.177
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.253.167.74
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.254.120.23
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
34.251.220.153
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
3.248.2.249
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
20.67.240.28
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
20.238.16.200
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.14
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.15
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.20
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.101
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.103
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.116
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.117
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.125
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.126
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.133
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.135
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.140
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.148
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.151
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.156
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.175
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.182
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.183
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.204
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
2.19.176.205
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
18.202.64.212
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
18.202.133.245
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
18.203.229.97
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
18.203.64.139
AS16509 Amazon.com, Inc. BAD_RESPONSE Returns unexpected response codes 77%
159.134.118.72
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
159.134.118.73
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
159.134.237.65
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
159.134.237.150
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
159.134.0.15
AS5466 Eir Broadband BAD_RESPONSE Returns unexpected response codes 77%
149.157.246.10
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
149.157.246.30
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
144.2.243.138
AS56410 Leeson Telecom Holdings Ltd BAD_RESPONSE Returns unexpected response codes 77%
138.91.58.105
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
137.191.224.142
AS15806 Irish Government BAD_RESPONSE Returns unexpected response codes 77%
137.191.227.254
AS15806 Irish Government BAD_RESPONSE Returns unexpected response codes 77%
137.191.234.3
AS15806 Irish Government BAD_RESPONSE Returns unexpected response codes 77%
137.191.234.19
AS15806 Irish Government BAD_RESPONSE Returns unexpected response codes 77%
137.191.234.110
AS15806 Irish Government BAD_RESPONSE Returns unexpected response codes 77%
137.135.165.13
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
137.135.203.128
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
134.226.32.57
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
134.226.56.13
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
134.226.112.8
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
134.226.112.9
AS1213 Asiera Technology Services Clg BAD_RESPONSE Returns unexpected response codes 77%
13.69.152.98
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
13.70.197.189
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
13.74.63.250
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
13.74.190.64
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
13.79.134.97
AS8075 Microsoft Corporation BAD_RESPONSE Returns unexpected response codes 77%
119.8.208.91
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.208.92
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.10
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.11
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.12
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.13
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.14
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.6
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.18
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.19
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.20
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.21
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.22
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.23
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.24
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.25
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.26
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.27
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.28
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
119.8.222.29
AS136907 HUAWEI CLOUDS BAD_RESPONSE Returns unexpected response codes 77%
109.70.208.133
AS15502 Vodafone Ireland Limited BAD_RESPONSE Returns unexpected response codes 77%
109.70.211.26
AS15502 Vodafone Ireland Limited BAD_RESPONSE Returns unexpected response codes 77%
107.175.187.3
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.187.133
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.187.134
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.187.135
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.59.145
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.61.16
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.61.118
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.61.138
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.61.141
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
107.175.61.196
AS36352 HostPapa BAD_RESPONSE Returns unexpected response codes 77%
78.153.203.12
AS39122 Blacknight Internet Solutions Limited NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
34.249.19.169
AS16509 Amazon.com, Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
34.251.222.149
AS16509 Amazon.com, Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
3.255.55.103
AS16509 Amazon.com, Inc. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
137.191.230.125
AS15806 Irish Government 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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