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DNS Server Issues in Costa Rica

90 DNS servers in Costa Rica with detected issues. These servers respond to probes but have problems that may affect usability.

Last updated: · All countries

Servers with issues

90 servers
IP ASN Organization Issue Description Reliability
45.231.55.3
AS266719 Academia Nacional de Ciencias BAD_RESPONSE Returns unexpected response codes 77%
38.210.160.213
AS266853 Comunicaciones Metropolitanas METROCOM, S.A. BAD_RESPONSE Returns unexpected response codes 77%
23.15.244.4
AS20940 Akamai International B.V. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.102
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.103
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.117
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.105
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.106
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.108
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.112
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.113
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.25.162.115
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.1
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.114
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.115
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.116
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.11
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.108
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.109
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.110
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.111
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.112
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.113
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.102
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.103
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.104
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.105
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.106
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.107
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.10
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.100
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
216.194.101.101
AS13150 Cato Networks Ltd BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.69
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.80
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.185
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.126
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.130
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.135
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.137
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.82
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
190.123.143.95
AS28086 Worldcom de Costa Rica, S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.213.147
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.213.149
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.221.67
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.207.18
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.207.19
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.207.20
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.136.236
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.196.194
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.5.23
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.5.28
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.5.13
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.5.20
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.5.21
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.221.69
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
181.78.114.69
AS52468 UFINET PANAMA S.A. BAD_RESPONSE Returns unexpected response codes 77%
181.78.115.189
AS52468 UFINET PANAMA S.A. BAD_RESPONSE Returns unexpected response codes 77%
181.193.176.169
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.178.169
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.105.86
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.108.30
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.109.236
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.109.237
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.20.220
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
181.193.192.126
AS11830 Instituto Costarricense de Electricidad y Telecom. BAD_RESPONSE Returns unexpected response codes 77%
177.93.2.250
AS52263 Telecable Economico S.A. BAD_RESPONSE Returns unexpected response codes 77%
177.93.18.183
AS52263 Telecable Economico S.A. BAD_RESPONSE Returns unexpected response codes 77%
170.246.159.104
AS52263 Telecable Economico S.A. BAD_RESPONSE Returns unexpected response codes 77%
170.246.159.38
AS52263 Telecable Economico S.A. BAD_RESPONSE Returns unexpected response codes 77%
148.227.162.10
AS274239 RING CENTRALES DE COSTA RICA SOCIEDAD ANONIMA BAD_RESPONSE Returns unexpected response codes 77%
143.255.28.16
AS264644 INFORMATION TECHNOLOGIES OUTSOURCING BAD_RESPONSE Returns unexpected response codes 77%
143.255.28.17
AS264644 INFORMATION TECHNOLOGIES OUTSOURCING BAD_RESPONSE Returns unexpected response codes 77%
143.255.28.37
AS264644 INFORMATION TECHNOLOGIES OUTSOURCING BAD_RESPONSE Returns unexpected response codes 77%
143.202.162.210
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
143.202.160.168
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
143.202.162.115
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
143.202.162.143
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.19.170
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.19.180
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.17.69
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.17.100
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.17.101
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.17.215
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.17.216
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
138.59.16.34
AS52423 Data Miners S.A. Racknation.cr BAD_RESPONSE Returns unexpected response codes 77%
131.108.37.212
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
131.108.37.218
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
131.108.37.222
AS262197 MILLICOM CABLE COSTA RICA S.A. BAD_RESPONSE Returns unexpected response codes 77%
186.176.228.49
AS262197 MILLICOM CABLE COSTA RICA S.A. NX_HIJACK Hijacks NXDOMAIN responses — redirects failed lookups 77%
138.118.80.105
AS52263 Telecable Economico S.A. 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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