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DNS Server Issues in Thailand

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

Last updated: · All countries

Servers with issues

42 servers
IP ASN Organization Issue Description Reliability
61.7.197.2
AS9931 The Communication Authoity of Thailand, CAT BAD_RESPONSE Returns unexpected response codes 90%
45.91.133.80
AS56309 408 Fl4 CATTOWER BAD_RESPONSE Returns unexpected response codes 90%
203.131.209.99
AS37992 Thammasat University in thailand BAD_RESPONSE Returns unexpected response codes 90%
202.29.22.4
AS132879 Rajabhat Mahasarakham University BAD_RESPONSE Returns unexpected response codes 90%
180.180.247.38
AS134166 Internet Data Center Service BAD_RESPONSE Returns unexpected response codes 90%
161.200.200.161
AS3839 Chulalongkorn University BAD_RESPONSE Returns unexpected response codes 90%
122.154.179.35
AS9931 The Communication Authoity of Thailand, CAT BAD_RESPONSE Returns unexpected response codes 90%
103.91.188.188
AS136523 COLODEE DIGITAL NETWORK CO.,LTD. BAD_RESPONSE Returns unexpected response codes 90%
203.130.152.97
AS55423 JasTel Network BAD_RESPONSE Returns unexpected response codes 89%
180.180.247.37
AS134166 Internet Data Center Service BAD_RESPONSE Returns unexpected response codes 89%
122.155.16.76
AS9335 CAT Telecom Public Company Limited BAD_RESPONSE Returns unexpected response codes 89%
202.14.164.9
AS9533 King Mongkuts Institute of Technology North Bangkok BAD_RESPONSE Returns unexpected response codes 88%
202.29.173.100
AS133042 Office of the basic education commission BAD_RESPONSE Returns unexpected response codes 87%
49.0.82.60
AS133481 AIS Fibre BAD_RESPONSE Returns unexpected response codes 85%
45.154.25.36
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
45.154.25.51
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
45.144.164.153
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
43.249.33.93
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
43.229.133.53
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
43.229.134.237
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
43.229.135.23
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
141.98.17.89
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
122.155.0.168
AS9335 National Telecom Public Company Limited BAD_RESPONSE Returns unexpected response codes 77%
122.155.165.44
AS9335 National Telecom Public Company Limited BAD_RESPONSE Returns unexpected response codes 77%
116.204.181.98
AS58955 Bangmod Enterprise Co., Ltd. BAD_RESPONSE Returns unexpected response codes 77%
110.77.133.125
AS131090 National Telecom Public Company Limited BAD_RESPONSE Returns unexpected response codes 77%
103.3.65.4
AS45458 SBN-ISPAWN-ISP and SBN-NIXAWN-NIX BAD_RESPONSE Returns unexpected response codes 77%
103.3.66.250
AS45458 SBN-ISPAWN-ISP and SBN-NIXAWN-NIX BAD_RESPONSE Returns unexpected response codes 77%
103.253.73.67
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
103.253.74.85
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
103.22.182.40
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
103.22.180.8
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
103.13.29.31
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
103.107.52.164
AS56309 Siamdata Communication Co.,Ltd. BAD_RESPONSE Returns unexpected response codes 77%
159.192.148.164
AS131090 CAT TELECOM Public Company Ltd,CAT BAD_RESPONSE Returns unexpected response codes 56%
147.50.230.89
AS9891 CS LOXINFO Public Company Limited. CENSORED Censors or filters certain domains 87%
116.204.182.147
AS58955 Bangmod Enterprise Co., Ltd. CENSORED Censors or filters certain domains 87%
107.155.27.251
AS21859 Zenlayer Inc CENSORED Censors or filters certain domains 87%
107.155.27.250
AS21859 Zenlayer Inc CENSORED Censors or filters certain domains 87%
107.155.27.249
AS21859 Zenlayer Inc CENSORED Censors or filters certain domains 87%
107.155.27.248
AS21859 Zenlayer Inc CENSORED Censors or filters certain domains 87%
107.155.27.252
AS21859 Zenlayer Inc CENSORED Censors or filters certain domains 87%

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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