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DNS Server Issues in Iran

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

Last updated: · All countries

Servers with issues

151 servers
IP ASN Organization Issue Description Reliability
2.188.21.90
AS49666 Telecommunication Infrastructure Company BAD_RESPONSE Returns unexpected response codes 68%
2.188.21.240
AS49666 Telecommunication Infrastructure Company BAD_RESPONSE Returns unexpected response codes 59%
194.225.73.141
AS6736 Institute for Research in Fundamental Sciences BAD_RESPONSE Returns unexpected response codes 25%
94.74.184.14
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.10
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.11
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.12
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.13
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.22
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.23
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.24
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.27
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.28
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.29
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.2
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.18
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.20
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.21
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.25
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.26
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.15
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.16
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
94.74.184.17
AS10010 TOKAI Communications Corporation BAD_RESPONSE Returns unexpected response codes 22%
80.191.24.2
AS12880 Iran Information Technology Company PJSC BAD_RESPONSE Returns unexpected response codes 22%
78.38.201.120
AS58224 Iran Telecommunication Company PJS BAD_RESPONSE Returns unexpected response codes 22%
78.39.53.204
AS42337 Respina Networks & Beyond PJSC BAD_RESPONSE Returns unexpected response codes 22%
78.157.40.158
AS62442 Dade Samane Fanava Company (PJS) BAD_RESPONSE Returns unexpected response codes 22%
78.157.40.200
AS62442 Dade Samane Fanava Company (PJS) BAD_RESPONSE Returns unexpected response codes 22%
78.157.40.201
AS62442 Dade Samane Fanava Company (PJS) BAD_RESPONSE Returns unexpected response codes 22%
78.157.41.149
AS62442 Dade Samane Fanava Company (PJS) BAD_RESPONSE Returns unexpected response codes 22%
78.157.41.175
AS62442 Dade Samane Fanava Company (PJS) BAD_RESPONSE Returns unexpected response codes 22%
77.90.185.31
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
77.90.185.38
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
77.90.185.190
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.26
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.28
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.33
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.37
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.40
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.48
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.5
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.7
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.50
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.51
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.53
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.54
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.55
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.56
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.60
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.71
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.72
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.73
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.78
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
62.60.227.79
AS206208 Pusic Jurai BAD_RESPONSE Returns unexpected response codes 22%
5.63.13.188
AS57497 Faraso Samaneh Pasargad Ltd. BAD_RESPONSE Returns unexpected response codes 22%
5.160.6.67
AS42337 Respina Networks & Beyond PJSC BAD_RESPONSE Returns unexpected response codes 22%
5.160.246.252
AS42337 Respina Networks & Beyond PJSC BAD_RESPONSE Returns unexpected response codes 22%
46.100.40.59
AS58224 Iran Telecommunication Company PJS BAD_RESPONSE Returns unexpected response codes 22%
45.135.243.222
AS57497 Faraso Samaneh Pasargad Ltd. BAD_RESPONSE Returns unexpected response codes 22%
45.135.243.217
AS57497 Faraso Samaneh Pasargad Ltd. BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.108
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.110
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.114
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.117
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.13
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.101
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.102
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.103
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.104
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.130
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.12
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.118
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.119
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.122
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.123
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.125
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.128
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.129
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.133
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.138.133.134
AS59441 NOAVARAN SHABAKEH SABZ MEHREGAN (Ltd.) BAD_RESPONSE Returns unexpected response codes 22%
45.135.243.58
AS57497 Faraso Samaneh Pasargad Ltd. BAD_RESPONSE Returns unexpected response codes 22%
217.218.26.78
AS58224 Iran Telecommunication Company PJS BAD_RESPONSE Returns unexpected response codes 22%
217.218.249.25
AS58224 Iran Telecommunication Company PJS BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.10
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.100
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.101
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.102
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.103
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.104
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.105
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.106
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.107
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.11
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.108
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.109
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.110
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.111
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.112
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.113
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.114
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.115
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.116
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
212.80.6.117
AS201002 PebbleHost Ltd BAD_RESPONSE Returns unexpected response codes 22%
2.188.3.60
AS12880 Iran Information Technology Company PJSC BAD_RESPONSE Returns unexpected response codes 22%
195.62.4.20
AS201703 Andisheh Sabz Mahan Co. Ltd BAD_RESPONSE Returns unexpected response codes 22%
195.211.71.233
AS48314 IP-Projects GmbH & Co. KG BAD_RESPONSE Returns unexpected response codes 22%
195.211.71.167
AS48314 IP-Projects GmbH & Co. KG BAD_RESPONSE Returns unexpected response codes 22%
195.211.71.39
AS48314 IP-Projects GmbH & Co. KG BAD_RESPONSE Returns unexpected response codes 22%
195.211.71.29
AS48314 IP-Projects GmbH & Co. KG BAD_RESPONSE Returns unexpected response codes 22%
194.225.73.151
AS6736 Institute for Research in Fundamental Sciences BAD_RESPONSE Returns unexpected response codes 22%
194.225.16.3
AS6736 Institute for Research in Fundamental Sciences BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.156
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.15
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.155
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.12
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.191
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.192
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.17
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.19
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.158
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.190
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.151.157.157
AS60077 Asre Dadeha Asiatech BAD_RESPONSE Returns unexpected response codes 22%
193.142.30.249
AS59580 Batterflyai Media ltd. BAD_RESPONSE Returns unexpected response codes 22%
193.142.30.18
AS59580 Batterflyai Media ltd. BAD_RESPONSE Returns unexpected response codes 22%
193.142.30.19
AS59580 Batterflyai Media ltd. BAD_RESPONSE Returns unexpected response codes 22%
193.142.30.170
AS59580 Batterflyai Media ltd. BAD_RESPONSE Returns unexpected response codes 22%
193.142.30.165
AS59580 Batterflyai Media ltd. BAD_RESPONSE Returns unexpected response codes 22%
185.93.89.127
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
185.93.89.149
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
185.93.89.34
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
185.93.89.51
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
185.93.89.52
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
185.206.229.79
AS201703 Andisheh Sabz Mahan Co. Ltd BAD_RESPONSE Returns unexpected response codes 22%
185.206.229.210
AS201703 Andisheh Sabz Mahan Co. Ltd BAD_RESPONSE Returns unexpected response codes 22%
185.188.104.10
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.104.11
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.104.12
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.104.13
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.105.10
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.105.11
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.188.105.12
AS43211 Noavaran Fan Avazeh Co. PJS BAD_RESPONSE Returns unexpected response codes 22%
185.143.232.253
AS205585 Noyan Abr Arvan Co. ( Private Joint Stock) BAD_RESPONSE Returns unexpected response codes 22%
185.143.233.253
AS205585 Noyan Abr Arvan Co. ( Private Joint Stock) BAD_RESPONSE Returns unexpected response codes 22%
185.143.234.253
AS205585 Noyan Abr Arvan Co. ( Private Joint Stock) BAD_RESPONSE Returns unexpected response codes 22%
185.143.235.253
AS205585 Noyan Abr Arvan Co. ( Private Joint Stock) BAD_RESPONSE Returns unexpected response codes 22%
172.94.9.89
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
172.94.9.22
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
172.94.9.144
AS213790 Limited Network LTD BAD_RESPONSE Returns unexpected response codes 22%
217.218.155.155
AS12880 Information Technology Company (ITC) CENSORED Censors or filters certain domains 97%
2.188.21.100
AS49666 Telecommunication Infrastructure Company CENSORED Censors or filters certain domains 90%
213.176.123.5
AS15611 Iranian Research Organization for Science & Technology CENSORED Censors or filters certain domains 57%

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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