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DNS Server Issues in Poland

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

Last updated: · All countries

Servers with issues

59 servers
IP ASN Organization Issue Description Reliability
78.152.31.133
AS43118 East & West Sp. z o.o. BAD_RESPONSE Returns unexpected response codes 63%
81.18.213.6
AS6830 Liberty Global B.V. BAD_RESPONSE Returns unexpected response codes 13%
185.188.117.102
AS206369 TELEKOM.pl Sp. z o.o. BAD_RESPONSE Returns unexpected response codes 8%
94.152.184.178
AS29522 Cyber_Folks S.A. BAD_RESPONSE Returns unexpected response codes 8%
195.116.242.240
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 5%
95.143.242.138
AS49888 Ultranet Sp. z o.o. BAD_RESPONSE Returns unexpected response codes 5%
194.1.144.90
AS43476 leniwiec.biz Grzegorz Kulewski BAD_RESPONSE Returns unexpected response codes 2%
94.40.124.254
AS20960 TK Telekom sp. z o.o. BAD_RESPONSE Returns unexpected response codes 2%
93.105.246.19
AS29314 Vectra S.A. BAD_RESPONSE Returns unexpected response codes 2%
91.227.88.8
AS197154 Soft Group Wojciech Mioduszewski BAD_RESPONSE Returns unexpected response codes 2%
89.161.27.84
AS39375 Telekomunikacja Podlasie Sp. z o.o. BAD_RESPONSE Returns unexpected response codes 2%
86.63.127.94
AS35191 Asta-net S.A. BAD_RESPONSE Returns unexpected response codes 2%
85.89.187.27
AS16342 Toya sp.z.o.o BAD_RESPONSE Returns unexpected response codes 2%
81.95.207.16
AS39816 Volta Communications Sp.z.o.o. BAD_RESPONSE Returns unexpected response codes 2%
80.72.40.34
AS20853 eTOP sp. z o.o. BAD_RESPONSE Returns unexpected response codes 2%
80.51.102.50
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 2%
77.65.176.166
AS210220 ICT FUTURE Sp. z o.o. BAD_RESPONSE Returns unexpected response codes 2%
217.17.38.102
AS43253 Cebit MAriusz Marton sp.J. BAD_RESPONSE Returns unexpected response codes 2%
213.226.121.4
AS44790 Kindburg LLC BAD_RESPONSE Returns unexpected response codes 2%
212.244.112.40
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 2%
195.20.138.242
AS205288 Firma Przemyslowo-Handlowo-Uslugowa Tekanet Konrad Niewiedzial BAD_RESPONSE Returns unexpected response codes 2%
195.136.206.152
AS206442 Rawi-Net Sp. z o.o BAD_RESPONSE Returns unexpected response codes 2%
193.111.144.145
AS16263 Uniwersytet Technologiczno-Humanistyczny Im. Kazimierza Pulaskiego W Radomiu BAD_RESPONSE Returns unexpected response codes 2%
188.147.175.148
AS12912 T-Mobile Polska S.A. BAD_RESPONSE Returns unexpected response codes 2%
156.17.4.1
AS8970 Wroclaw Centre of Networking and Supercomputing BAD_RESPONSE Returns unexpected response codes 2%
84.10.33.251
AS9141 Play BAD_RESPONSE Returns unexpected response codes 1%
83.144.92.218
AS9141 Play BAD_RESPONSE Returns unexpected response codes 1%
80.48.237.40
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.50.50.142
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.50.50.150
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.48.202.105
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.48.28.37
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.48.28.38
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
80.48.237.41
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
5.185.217.206
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
46.170.189.92
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
46.170.192.155
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
46.170.208.202
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
46.170.211.162
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
46.170.211.163
AS5617 Orange Polska Spolka Akcyjna BAD_RESPONSE Returns unexpected response codes 1%
188.64.80.129
AS57811 Redge Technologies sp. z o.o. BAD_RESPONSE Returns unexpected response codes 1%
188.64.84.225
AS57811 Redge Technologies sp. z o.o. BAD_RESPONSE Returns unexpected response codes 1%
91.189.39.69
AS43171 Maxnet BAD_RESPONSE Returns unexpected response codes 1%
81.15.193.194
AS20804 Exatel S.A. BAD_RESPONSE Returns unexpected response codes 1%
91.189.39.70
AS43171 Maxnet BAD_RESPONSE Returns unexpected response codes 1%
145.239.94.164
AS16276 OVH SAS BAD_RESPONSE Returns unexpected response codes 1%
193.0.79.169
AS8890 University of Warsaw BAD_RESPONSE Returns unexpected response codes 1%
77.55.209.158
AS15967 Nazwa.pl Sp.z.o.o. CENSORED Censors or filters certain domains 100%
57.128.237.53
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
57.128.195.101
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
51.77.63.182
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
51.77.59.221
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
51.68.143.165
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
51.38.159.128
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
5.135.47.204
AS16276 OVH SAS CENSORED Censors or filters certain domains 100%
51.38.156.162
AS16276 OVH SAS CENSORED Censors or filters certain domains 97%
193.106.128.203
AS61154 IDHosting Sp. z o. o. CENSORED Censors or filters certain domains 96%
193.106.128.198
AS61154 IDHosting Sp. z o. o. CENSORED Censors or filters certain domains 96%
91.233.237.201
AS198112 PROSAT s.c. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 100%

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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