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.
-
23.138.88.168Checked 7 hours ago
ALPHANET CORP
AS400354
Adjuntas
18.1627, -66.7221
100% uptime
|122msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)282msQuery time (median DNS query time - median ping) -
38.50.66.21Checked 4 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|155msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)288msQuery time (median DNS query time - median ping) -
38.50.66.188Checked 4 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|164msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)470msQuery time (median DNS query time - median ping) -
38.50.68.126Checked 2 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|152msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)282msQuery time (median DNS query time - median ping) -
38.50.68.177Checked 6 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|161msMedian ping from Nuremberg, Germany|11msJitter (1 standard deviation)321msQuery time (median DNS query time - median ping) -
38.50.69.227Checked 8 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|157msMedian ping from Nuremberg, Germany|9msJitter (1 standard deviation)261msQuery time (median DNS query time - median ping) -
38.50.70.237Checked 10 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|155msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)295msQuery time (median DNS query time - median ping) -
38.50.94.63Checked 7 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|162msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)303msQuery time (median DNS query time - median ping) -
38.50.95.63Checked 7 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|161msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)242msQuery time (median DNS query time - median ping) -
38.50.95.190Checked 7 hours ago
Aeronet Wireless
AS14979
Bayamón
18.3986, -66.1557
100% uptime
|161msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)278msQuery time (median DNS query time - median ping) -
192.30.40.158Checked 11 hours ago
WorldNet Telecommunications, LLC
AS11367
Bayamón
18.3986, -66.1557
100% uptime
|136msMedian ping from Nuremberg, Germany|7msJitter (1 standard deviation)136msQuery time (median DNS query time - median ping) -
66.230.248.5Checked 7 hours ago
Aeronet Wireless
AS14979
Cabo Rojo
18.0866, -67.1457
100% uptime
|146msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)329msQuery time (median DNS query time - median ping) -
66.50.9.94Checked 10 hours ago
DATACOM CARIBE, INC.
AS10396
Caguas
18.2341, -66.0485
100% uptime
|161msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)381msQuery time (median DNS query time - median ping) -
162.12.224.129Checked 5 hours ago
VPNET INC
AS46868
Caguas
18.2341, -66.0485
100% uptime
|138msMedian ping from Nuremberg, Germany|9msJitter (1 standard deviation)374msQuery time (median DNS query time - median ping) -
184.95.1.125Checked 4 hours ago
HUB Advanced Networks, LLC
AS23550
Carolina
18.3808, -65.9574
96% uptime
|135msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)260msQuery time (median DNS query time - median ping) -
162.12.231.3Checked 9 hours ago
VPNET INC
AS46868
Cidra
18.1758, -66.1613
100% uptime
|142msMedian ping from Nuremberg, Germany|8msJitter (1 standard deviation)455msQuery time (median DNS query time - median ping) -
104.238.194.3Checked 4 hours ago
FiberX
AS6208
Guaynabo
18.3575, -66.1110
100% uptime
|121msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)170msQuery time (median DNS query time - median ping) -
104.219.29.169Checked 6 hours ago
SpeedyNet
AS62913
Hormigueros
18.1397, -67.1274
93% uptime
|162msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)274msQuery time (median DNS query time - median ping) -
67.203.226.2Checked 8 hours ago
Liberty Mobile Puerto Rico Inc.
AS11992
Mayagüez
18.2011, -67.1396
100% uptime
|138msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)336msQuery time (median DNS query time - median ping) -
67.206.240.58Checked 5 hours ago
Liberty Mobile Puerto Rico Inc.
AS11992
Mayagüez
18.2011, -67.1396
100% uptime
|139msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)370msQuery time (median DNS query time - median ping) -
67.206.253.18Checked 10 hours ago
Liberty Mobile Puerto Rico Inc.
AS11992
Mayagüez
18.2011, -67.1396
96% uptime
|139msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)377msQuery time (median DNS query time - median ping) -
67.206.253.82Checked 7 hours ago
Liberty Mobile Puerto Rico Inc.
AS11992
Mayagüez
18.2011, -67.1396
90% uptime
|137msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)248msQuery time (median DNS query time - median ping) -
199.193.160.28Checked 2 hours ago
SpeedyNet
AS62913
Moca
18.3947, -67.1132
100% uptime
|165msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)344msQuery time (median DNS query time - median ping) -
38.50.84.216Checked 1 hour ago
Aeronet Wireless
AS14979
Río Lajas
18.3947, -66.2677
100% uptime
|154msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)250msQuery time (median DNS query time - median ping) -
38.50.64.79Checked 3 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
93% uptime
|158msMedian ping from Nuremberg, Germany|10msJitter (1 standard deviation)318msQuery time (median DNS query time - median ping) -
38.50.64.151Checked 7 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|155msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)270msQuery time (median DNS query time - median ping) -
38.50.64.172Checked 2 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|156msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)266msQuery time (median DNS query time - median ping) -
38.50.65.120Checked 3 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|154msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)281msQuery time (median DNS query time - median ping) -
38.50.65.156Checked 9 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|158msMedian ping from Nuremberg, Germany|7msJitter (1 standard deviation)260msQuery time (median DNS query time - median ping) -
38.50.67.129Checked 3 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|160msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)288msQuery time (median DNS query time - median ping) -
38.50.68.224Checked 5 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|153msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)296msQuery time (median DNS query time - median ping) -
38.50.69.218Checked 5 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|160msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)295msQuery time (median DNS query time - median ping) -
38.50.71.92Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|156msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)292msQuery time (median DNS query time - median ping) -
38.50.71.132Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|160msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)294msQuery time (median DNS query time - median ping) -
38.50.71.154Checked 5 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|155msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)282msQuery time (median DNS query time - median ping) -
38.50.84.130Checked 3 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|166msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)321msQuery time (median DNS query time - median ping) -
38.50.84.173Checked 5 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|166msMedian ping from Nuremberg, Germany|11msJitter (1 standard deviation)316msQuery time (median DNS query time - median ping) -
38.50.84.201Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|161msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)291msQuery time (median DNS query time - median ping) -
38.50.85.1Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|160msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)283msQuery time (median DNS query time - median ping) -
38.50.86.81Checked 10 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|159msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)270msQuery time (median DNS query time - median ping) -
38.50.86.166Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|143msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)248msQuery time (median DNS query time - median ping) -
38.50.92.40Checked 3 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|154msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)286msQuery time (median DNS query time - median ping) -
38.50.92.57Checked 6 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|162msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)266msQuery time (median DNS query time - median ping) -
38.50.92.164Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|153msMedian ping from Nuremberg, Germany|20msJitter (1 standard deviation)285msQuery time (median DNS query time - median ping) -
38.50.92.193Checked 9 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|152msMedian ping from Nuremberg, Germany|4msJitter (1 standard deviation)251msQuery time (median DNS query time - median ping) -
38.50.93.78Checked 2 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|158msMedian ping from Nuremberg, Germany|7msJitter (1 standard deviation)280msQuery time (median DNS query time - median ping) -
38.50.93.234Checked 5 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
96% uptime
|160msMedian ping from Nuremberg, Germany|10msJitter (1 standard deviation)286msQuery time (median DNS query time - median ping) -
38.50.94.226Checked 4 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|165msMedian ping from Nuremberg, Germany|12msJitter (1 standard deviation)324msQuery time (median DNS query time - median ping) -
38.50.94.227Checked 2 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|163msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)100msQuery time (median DNS query time - median ping) -
38.247.117.15Checked 9 hours ago
SMARTNET LLC
AS55068
San Juan
18.4663, -66.1057
100% uptime
|129msMedian ping from Nuremberg, Germany|1msJitter (1 standard deviation)324msQuery time (median DNS query time - median ping) -
64.89.3.213Checked 7 hours ago
WorldNet Telecommunications, LLC
AS11367
San Juan
18.4663, -66.1057
100% uptime
|137msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)340msQuery time (median DNS query time - median ping) -
64.89.4.185Checked 11 hours ago
WorldNet Telecommunications, LLC
AS11367
San Juan
18.4663, -66.1057
100% uptime
|138msMedian ping from Nuremberg, Germany|6msJitter (1 standard deviation)323msQuery time (median DNS query time - median ping) -
72.50.32.62Checked 6 hours ago
DATACOM CARIBE, INC.
AS10396
San Juan
18.4663, -66.1057
100% uptime
|155msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)206msQuery time (median DNS query time - median ping) -
143.105.46.41Checked 52 minutes ago
Space Exploration Technologies Corporation
AS14593
San Juan
18.4663, -66.1057
100% uptime
|160msMedian ping from Nuremberg, Germany|11msJitter (1 standard deviation)50msQuery time (median DNS query time - median ping) -
162.12.231.190Checked 5 hours ago
VPNET INC
AS46868
San Juan
18.4663, -66.1057
96% uptime
|148msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)455msQuery time (median DNS query time - median ping) -
162.246.173.162Checked 1 hour ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|142msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)321msQuery time (median DNS query time - median ping) -
172.99.184.1Checked 5 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
96% uptime
|125msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)231msQuery time (median DNS query time - median ping) -
172.99.186.129Checked 6 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
96% uptime
|142msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)383msQuery time (median DNS query time - median ping) -
172.99.187.1Checked 2 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
100% uptime
|123msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)298msQuery time (median DNS query time - median ping) -
172.99.187.65Checked 9 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
96% uptime
|123msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)294msQuery time (median DNS query time - median ping) -
173.243.91.194Checked 10 hours ago
Aeronet Wireless
AS14979
San Juan
18.4663, -66.1057
100% uptime
|144msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)223msQuery time (median DNS query time - median ping) -
199.116.56.98Checked 10 hours ago
IP SOLUTIONS, INC.
AS39963
San Juan
18.4663, -66.1057
100% uptime
|137msMedian ping from Nuremberg, Germany|2msJitter (1 standard deviation)253msQuery time (median DNS query time - median ping) -
199.255.118.189Checked 3 hours ago
Xairnet
AS46941
San Juan
18.4663, -66.1057
96% uptime
|130msMedian ping from Nuremberg, Germany|3msJitter (1 standard deviation)364msQuery time (median DNS query time - median ping) -
205.164.200.247Checked 10 hours ago
VPNET INC
AS46868
San Juan
18.4663, -66.1057
96% uptime
|157msMedian ping from Nuremberg, Germany|10msJitter (1 standard deviation)475msQuery time (median DNS query time - median ping) -
207.174.74.3Checked 10 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
100% uptime
|122msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)300msQuery time (median DNS query time - median ping) -
207.174.74.6Checked 6 hours ago
Natural G.C. Inc.
AS396899
San Juan
18.4663, -66.1057
100% uptime
|122msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)300msQuery time (median DNS query time - median ping) -
207.204.129.114Checked 9 hours ago
DATACOM CARIBE, INC.
AS10396
San Juan
18.4663, -66.1057
100% uptime
|145msMedian ping from Nuremberg, Germany|0msJitter (1 standard deviation)206msQuery time (median DNS query time - median ping) -
65.87.204.237Checked 6 hours ago
DM Wireless LLC
AS53764
Vega Baja
18.4444, -66.3877
100% uptime
|148msMedian ping from Nuremberg, Germany|5msJitter (1 standard deviation)431msQuery time (median DNS query time - median ping)