For debugging only
This list is intended to help troubleshoot DNS issues. Do not configure these servers as your DNS resolver unless you know and trust the operator. A DNS resolver can log the domains you look up and can manipulate or block DNS responses.
Instead, use your ISP's default DNS server, or a global DNS server operated by an organisation you trust.
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177.93.12.122Checked 3 hours ago
Telecable Economico S.A.
AS52263
Alajuela
10.0172, -84.2127
100% uptime
|158msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)123msQuery time (median DNS query time - median ping) -
138.94.58.47Checked 1 hour ago
Junta Administrativa del Servicio Eléctrico Municipal de Cartago(JASEC)
AS263749
Cartago
9.8637, -83.9195
100% uptime
|181msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)463msQuery time (median DNS query time - median ping) -
186.177.94.230Checked 5 hours ago
MILLICOM CABLE COSTA RICA S.A.
AS262197
Colón
9.9149, -84.2417
97% uptime
|162msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)294msQuery time (median DNS query time - median ping) -
186.96.89.119Checked 5 hours ago
Telefonica de Costa Rica TC, SA
AS262202
Desamparados
9.8975, -84.0635
99% uptime
|171msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)343msQuery time (median DNS query time - median ping) -
168.228.50.228Checked 2 hours ago
Cooperativa de Electrificación Rural de San Carlos R.L. (Coopelesca R.L.)
AS262145
La Fortuna
10.4709, -84.6453
98% uptime
|187msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)211msQuery time (median DNS query time - median ping) -
201.191.46.58Checked 5 hours ago
Instituto Costarricense de Electricidad y Telecom.
AS11830
Liberia
10.6352, -85.4378
100% uptime
|185msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)415msQuery time (median DNS query time - median ping) -
168.181.162.124Checked 6 hours ago
STREET FIBER S.A.
AS264686
San Francisco de Dos Ríos
9.9095, -84.0572
97% uptime
|183msMedian ping from Nuremberg, Germany|10msJitter (1 standard deviation)198msQuery time (median DNS query time - median ping) -
181.119.208.9Checked 2 hours ago
UFINET PANAMA S.A.
AS52468
San Isidro
9.3674, -83.6971
98% uptime
|181msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)410msQuery time (median DNS query time - median ping) -
190.14.152.182Checked 5 hours ago
R&H International Telecom Services SA.
AS52356
San Isidro
9.3674, -83.6971
99% uptime
|175msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)110msQuery time (median DNS query time - median ping) -
190.171.100.166Checked 6 hours ago
Telecable Economico S.A.
AS52263
San Isidro
9.3674, -83.6971
99% uptime
|158msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)402msQuery time (median DNS query time - median ping) -
45.65.188.152Checked 4 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San José
9.9351, -84.1073
98% uptime
|164msMedian ping from Nuremberg, Germany|9msJitter (1 standard deviation)133msQuery time (median DNS query time - median ping) -
45.65.189.237Checked 3 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San José
9.9351, -84.1073
100% uptime
|163msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)192msQuery time (median DNS query time - median ping) -
45.65.189.249Checked 5 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San José
9.9351, -84.1073
97% uptime
|162msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)111msQuery time (median DNS query time - median ping) -
177.93.31.25Checked 5 hours ago
Telecable Economico S.A.
AS52263
San José
9.9339, -84.0849
99% uptime
|179msMedian ping from Nuremberg, Germany|10msJitter (1 standard deviation)260msQuery time (median DNS query time - median ping) -
186.15.189.65Checked 6 hours ago
Telefonica de Costa Rica TC, SA
AS262202
San José
9.9339, -84.0849
99% uptime
|174msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)274msQuery time (median DNS query time - median ping) -
190.123.137.166Checked 5 hours ago
Worldcom de Costa Rica, S.A.
AS28086
San José
9.9339, -84.0849
100% uptime
|166msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)205msQuery time (median DNS query time - median ping) -
201.194.101.247Checked 5 hours ago
Instituto Costarricense de Electricidad y Telecom.
AS11830
San José
9.9339, -84.0849
100% uptime
|184msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)406msQuery time (median DNS query time - median ping) -
38.210.160.144Checked 2 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San Rafael
9.9283, -84.1354
98% uptime
|171msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)132msQuery time (median DNS query time - median ping) -
38.210.160.220Checked 4 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San Rafael
9.9283, -84.1354
95% uptime
|167msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)394msQuery time (median DNS query time - median ping) -
38.210.161.2Checked 2 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San Rafael
9.9283, -84.1354
100% uptime
|166msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)106msQuery time (median DNS query time - median ping) -
38.210.161.48Checked 3 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San Rafael
9.9283, -84.1354
100% uptime
|164msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)283msQuery time (median DNS query time - median ping) -
38.210.161.80Checked 6 hours ago
Comunicaciones Metropolitanas METROCOM, S.A.
AS266853
San Rafael
9.9283, -84.1354
97% uptime
|168msMedian ping from Nuremberg, Germany|7msJitter (1 standard deviation)108msQuery time (median DNS query time - median ping) -
186.26.114.107Checked 7 hours ago
TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA
AS14754
San Rafael
9.9283, -84.1354
100% uptime
|176msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)125msQuery time (median DNS query time - median ping)