DNS response history for pool.ntp.org

pool.ntp.org is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-21. For this date, NameServerHistory found 288 DNS check records, 288 successful responses, 0 failed responses, and 184 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for pool.ntp.org.
Records on Selected Date

288

Historical checks stored for this nameserver on selected date

Average Latency

184 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

158.180.28.150

Most recently resolved hosting IP on selected date

Successful Responses

288

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pool.ntp.org

Showing DNS history for 2026-08-21 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
288 2026-08-21 23:46 639229527598660841
3 ms 158.180.28.150
287 2026-08-21 23:46 639229527598660841
3 ms 84.254.99.155
286 2026-08-21 23:46 639229527598660841
3 ms 85.195.210.125
285 2026-08-21 23:46 639229527598660841
3 ms 83.228.214.249
284 2026-08-21 23:29 639229517954323214
3 ms 158.180.28.150
283 2026-08-21 23:29 639229517954323214
3 ms 212.51.144.47
282 2026-08-21 23:29 639229517954323214
3 ms 217.147.223.78
281 2026-08-21 23:29 639229517954323214
3 ms 81.94.123.17
280 2026-08-21 23:13 639229508269999021
29 ms 217.147.208.1
279 2026-08-21 23:13 639229508269999021
29 ms 162.159.200.123
278 2026-08-21 23:13 639229508269999021
29 ms 158.180.28.150
277 2026-08-21 23:13 639229508269999021
29 ms 193.134.29.12
276 2026-08-21 22:57 639229498559060171
3 ms 162.159.200.1
275 2026-08-21 22:57 639229498559060171
3 ms 158.180.28.150
274 2026-08-21 22:57 639229498559060171
3 ms 193.134.29.11
273 2026-08-21 22:57 639229498559060171
3 ms 109.233.182.116
272 2026-08-21 22:40 639229488519347586
42 ms 83.150.53.153
271 2026-08-21 22:40 639229488519347586
42 ms 84.254.99.155
270 2026-08-21 22:40 639229488519347586
42 ms 179.237.70.113
269 2026-08-21 22:40 639229488519347586
42 ms 80.242.192.230
268 2026-08-21 21:47 639229456606578934
53 ms 156.106.214.48
267 2026-08-21 21:47 639229456606578934
53 ms 212.51.144.47
266 2026-08-21 21:47 639229456606578934
53 ms 193.134.29.12
265 2026-08-21 21:47 639229456606578934
53 ms 85.195.200.187
264 2026-08-21 21:31 639229446985772499
3 ms 81.94.123.17
263 2026-08-21 21:31 639229446985772499
3 ms 62.220.129.71
262 2026-08-21 21:31 639229446985772499
3 ms 84.16.69.149
261 2026-08-21 21:31 639229446985772499
3 ms 185.122.238.196
260 2026-08-21 21:15 639229437367313098
28 ms 156.106.214.52
259 2026-08-21 21:15 639229437367313098
28 ms 217.147.208.1
258 2026-08-21 21:15 639229437367313098
28 ms 82.197.188.130
257 2026-08-21 21:15 639229437367313098
28 ms 83.166.131.226
256 2026-08-21 20:59 639229427923950391
4 ms 162.159.200.123
255 2026-08-21 20:59 639229427923950391
4 ms 217.147.208.1
254 2026-08-21 20:59 639229427923950391
4 ms 156.106.214.48
253 2026-08-21 20:59 639229427923950391
4 ms 162.159.200.1
252 2026-08-21 20:43 639229418168588854
30 ms 176.10.125.102
251 2026-08-21 20:43 639229418168588854
30 ms 85.195.200.187
250 2026-08-21 20:43 639229418168588854
30 ms 62.12.173.11
249 2026-08-21 20:43 639229418168588854
30 ms 162.159.200.123
248 2026-08-21 20:27 639229408345678334
17 ms 193.5.60.8
247 2026-08-21 20:27 639229408345678334
17 ms 62.12.167.109
246 2026-08-21 20:27 639229408345678334
17 ms 62.12.173.12
245 2026-08-21 20:27 639229408345678334
17 ms 83.166.131.226
244 2026-08-21 20:11 639229398616354648
3 ms 62.12.173.11
243 2026-08-21 20:11 639229398616354648
3 ms 81.94.123.17
242 2026-08-21 20:11 639229398616354648
3 ms 62.12.173.12
241 2026-08-21 20:11 639229398616354648
3 ms 156.106.214.48
240 2026-08-21 19:54 639229388634592323
19 ms 156.106.214.48
239 2026-08-21 19:54 639229388634592323
19 ms 158.180.28.150
238 2026-08-21 19:54 639229388634592323
19 ms 195.186.4.101
237 2026-08-21 19:54 639229388634592323
19 ms 162.159.200.123
236 2026-08-21 19:38 639229378792837692
2014 ms 129.250.35.250
235 2026-08-21 19:38 639229378792837692
2014 ms 31.70.111.17
234 2026-08-21 19:38 639229378792837692
2014 ms 37.221.199.157
233 2026-08-21 19:38 639229378792837692
2014 ms 5.1.73.50
232 2026-08-21 19:22 639229369154682311
19 ms 84.254.99.155
231 2026-08-21 19:22 639229369154682311
19 ms 85.195.226.126
230 2026-08-21 19:22 639229369154682311
19 ms 179.237.70.113
229 2026-08-21 19:22 639229369154682311
19 ms 192.33.96.102
228 2026-08-21 19:05 639229359248017926
9 ms 83.166.131.226
227 2026-08-21 19:05 639229359248017926
9 ms 84.254.99.155
226 2026-08-21 19:05 639229359248017926
9 ms 31.3.128.55
225 2026-08-21 19:05 639229359248017926
9 ms 162.159.200.123
224 2026-08-21 18:48 639229349124294642
22 ms 192.33.217.10
223 2026-08-21 18:48 639229349124294642
22 ms 178.209.50.229
222 2026-08-21 18:48 639229349124294642
22 ms 83.150.53.153
221 2026-08-21 18:48 639229349124294642
22 ms 212.51.144.46
220 2026-08-21 17:56 639229317791715692
38 ms 195.141.190.190
219 2026-08-21 17:56 639229317791715692
38 ms 217.147.208.1
218 2026-08-21 17:56 639229317791715692
38 ms 85.195.200.187
217 2026-08-21 17:56 639229317791715692
38 ms 85.195.226.126
216 2026-08-21 17:40 639229308115194575
9 ms 85.195.210.125
215 2026-08-21 17:40 639229308115194575
9 ms 212.51.144.44
214 2026-08-21 17:40 639229308115194575
9 ms 212.51.144.47
213 2026-08-21 17:40 639229308115194575
9 ms 84.16.69.149
212 2026-08-21 17:23 639229298320320558
3 ms 156.106.214.52
211 2026-08-21 17:23 639229298320320558
3 ms 83.150.53.153
210 2026-08-21 17:23 639229298320320558
3 ms 212.25.15.128
209 2026-08-21 17:23 639229298320320558
3 ms 82.197.164.46
208 2026-08-21 17:07 639229288674863221
2 ms 79.110.235.11
207 2026-08-21 17:07 639229288674863221
2 ms 162.159.200.123
206 2026-08-21 17:07 639229288674863221
2 ms 85.195.200.187
205 2026-08-21 17:07 639229288674863221
2 ms 179.237.70.113
204 2026-08-21 16:51 639229278983677079
34 ms 217.147.223.78
203 2026-08-21 16:51 639229278983677079
34 ms 83.150.53.153
202 2026-08-21 16:51 639229278983677079
34 ms 156.106.214.48
201 2026-08-21 16:51 639229278983677079
34 ms 91.214.191.135
200 2026-08-21 16:35 639229269405517175
9 ms 162.159.200.1
199 2026-08-21 16:35 639229269405517175
9 ms 156.106.214.52
198 2026-08-21 16:35 639229269405517175
9 ms 162.159.200.123
197 2026-08-21 16:35 639229269405517175
9 ms 85.195.200.187
196 2026-08-21 16:19 639229259594798244
3 ms 162.159.200.123
195 2026-08-21 16:19 639229259594798244
3 ms 31.3.128.55
194 2026-08-21 16:19 639229259594798244
3 ms 176.10.125.102
193 2026-08-21 16:19 639229259594798244
3 ms 85.195.226.126
192 2026-08-21 16:02 639229249736681188
7 ms 193.134.29.11
191 2026-08-21 16:02 639229249736681188
7 ms 156.106.214.48
190 2026-08-21 16:02 639229249736681188
7 ms 62.220.129.71
189 2026-08-21 16:02 639229249736681188
7 ms 212.25.15.128
188 2026-08-21 15:46 639229239699417787
4 ms 83.166.131.226
187 2026-08-21 15:46 639229239699417787
4 ms 212.51.144.47
186 2026-08-21 15:46 639229239699417787
4 ms 85.195.210.125
185 2026-08-21 15:46 639229239699417787
4 ms 193.33.30.39
184 2026-08-21 15:29 639229229621964033
21 ms 109.233.182.115
183 2026-08-21 15:29 639229229621964033
21 ms 84.16.69.149
182 2026-08-21 15:29 639229229621964033
21 ms 85.195.226.126
181 2026-08-21 15:29 639229229621964033
21 ms 83.150.53.153
180 2026-08-21 15:12 639229219567270965
2 ms 84.254.99.155
179 2026-08-21 15:12 639229219567270965
2 ms 91.214.191.135
178 2026-08-21 15:12 639229219567270965
2 ms 62.220.129.71
177 2026-08-21 15:12 639229219567270965
2 ms 85.195.226.126
176 2026-08-21 14:55 639229209406666856
10 ms 91.235.212.22
175 2026-08-21 14:55 639229209406666856
10 ms 83.228.250.108
174 2026-08-21 14:55 639229209406666856
10 ms 81.94.123.16
173 2026-08-21 14:55 639229209406666856
10 ms 217.147.223.78
172 2026-08-21 14:03 639229177815876178
48 ms 84.16.69.149
171 2026-08-21 14:03 639229177815876178
48 ms 85.195.200.187
170 2026-08-21 14:03 639229177815876178
48 ms 162.159.200.123
169 2026-08-21 14:03 639229177815876178
48 ms 5.148.175.134
168 2026-08-21 13:47 639229168243572685
4 ms 84.254.80.94
167 2026-08-21 13:47 639229168243572685
4 ms 193.134.29.11
166 2026-08-21 13:47 639229168243572685
4 ms 84.254.99.155
165 2026-08-21 13:47 639229168243572685
4 ms 82.197.188.130
164 2026-08-21 13:31 639229158599856475
2010 ms 172.104.134.72
163 2026-08-21 13:31 639229158599856475
2010 ms 185.51.192.63
162 2026-08-21 13:31 639229158599856475
2010 ms 85.214.83.151
161 2026-08-21 13:31 639229158599856475
2010 ms 45.138.55.61
160 2026-08-21 13:15 639229148998940902
3 ms 158.180.28.150
159 2026-08-21 13:15 639229148998940902
3 ms 156.106.214.48
158 2026-08-21 13:15 639229148998940902
3 ms 195.186.1.100
157 2026-08-21 13:15 639229148998940902
3 ms 83.228.250.108
156 2026-08-21 12:58 639229139276923594
8 ms 84.254.99.155
155 2026-08-21 12:58 639229139276923594
8 ms 217.147.223.78
154 2026-08-21 12:58 639229139276923594
8 ms 162.159.200.1
153 2026-08-21 12:58 639229139276923594
8 ms 179.237.70.113
152 2026-08-21 12:42 639229129709912394
8 ms 158.180.28.150
151 2026-08-21 12:42 639229129709912394
8 ms 130.60.204.10
150 2026-08-21 12:42 639229129709912394
8 ms 217.147.223.78
149 2026-08-21 12:42 639229129709912394
8 ms 83.166.131.226
148 2026-08-21 12:26 639229119801488500
2 ms 212.51.144.44
147 2026-08-21 12:26 639229119801488500
2 ms 84.16.69.149
146 2026-08-21 12:26 639229119801488500
2 ms 193.134.29.12
145 2026-08-21 12:26 639229119801488500
2 ms 179.237.70.113
144 2026-08-21 12:10 639229110135262458
52 ms 130.60.204.10
143 2026-08-21 12:10 639229110135262458
52 ms 162.159.200.123
142 2026-08-21 12:10 639229110135262458
52 ms 176.10.125.102
141 2026-08-21 12:10 639229110135262458
52 ms 195.141.190.190
140 2026-08-21 11:53 639229100336051392
44 ms 85.195.210.125
139 2026-08-21 11:53 639229100336051392
44 ms 31.3.128.55
138 2026-08-21 11:53 639229100336051392
44 ms 179.237.70.113
137 2026-08-21 11:53 639229100336051392
44 ms 62.12.167.109
136 2026-08-21 11:37 639229090641415626
2 ms 91.235.212.22
135 2026-08-21 11:37 639229090641415626
2 ms 179.237.70.113
134 2026-08-21 11:37 639229090641415626
2 ms 85.195.210.125
133 2026-08-21 11:37 639229090641415626
2 ms 193.134.29.12
132 2026-08-21 11:21 639229080702683947
7 ms 31.3.128.55
131 2026-08-21 11:21 639229080702683947
7 ms 193.134.29.11
130 2026-08-21 11:21 639229080702683947
7 ms 91.214.191.135
129 2026-08-21 11:21 639229080702683947
7 ms 212.25.15.128
128 2026-08-21 11:04 639229070601456699
3 ms 212.51.144.44
127 2026-08-21 11:04 639229070601456699
3 ms 185.32.222.237
126 2026-08-21 11:04 639229070601456699
3 ms 156.106.214.48
125 2026-08-21 11:04 639229070601456699
3 ms 85.195.200.187
124 2026-08-21 10:11 639229038947447232
3 ms 212.25.15.128
123 2026-08-21 10:11 639229038947447232
3 ms 156.106.214.52
122 2026-08-21 10:11 639229038947447232
3 ms 212.51.144.44
121 2026-08-21 10:11 639229038947447232
3 ms 83.166.131.226
120 2026-08-21 09:55 639229029268708773
5 ms 83.228.250.108
119 2026-08-21 09:55 639229029268708773
5 ms 91.216.229.123
118 2026-08-21 09:55 639229029268708773
5 ms 162.159.200.1
117 2026-08-21 09:55 639229029268708773
5 ms 193.134.29.11
116 2026-08-21 09:39 639229019647910603
6 ms 31.3.128.55
115 2026-08-21 09:39 639229019647910603
6 ms 185.32.222.237
114 2026-08-21 09:39 639229019647910603
6 ms 62.12.173.12
113 2026-08-21 09:39 639229019647910603
6 ms 156.106.214.52
112 2026-08-21 09:23 639229009983843738
3 ms 217.147.208.1
111 2026-08-21 09:23 639229009983843738
3 ms 195.186.4.100
110 2026-08-21 09:23 639229009983843738
3 ms 217.147.223.78
109 2026-08-21 09:23 639229009983843738
3 ms 31.3.128.55
108 2026-08-21 09:07 639229000203331882
20 ms 185.32.222.237
107 2026-08-21 09:07 639229000203331882
20 ms 83.150.53.153
106 2026-08-21 09:07 639229000203331882
20 ms 217.147.208.1
105 2026-08-21 09:07 639229000203331882
20 ms 162.159.200.1
104 2026-08-21 08:50 639228990302335999
27 ms 212.51.144.44
103 2026-08-21 08:50 639228990302335999
27 ms 84.16.69.149
102 2026-08-21 08:50 639228990302335999
27 ms 193.134.29.11
101 2026-08-21 08:50 639228990302335999
27 ms 195.186.4.100
100 2026-08-21 08:34 639228980567740722
29 ms 91.199.218.19
99 2026-08-21 08:34 639228980567740722
29 ms 193.134.29.11
98 2026-08-21 08:34 639228980567740722
29 ms 31.3.128.55
97 2026-08-21 08:34 639228980567740722
29 ms 185.32.222.237
96 2026-08-21 08:18 639228970762445174
2034 ms 78.159.131.45
95 2026-08-21 08:18 639228970762445174
2034 ms 162.159.200.1
94 2026-08-21 08:18 639228970762445174
2034 ms 185.117.82.71
93 2026-08-21 08:18 639228970762445174
2034 ms 108.165.233.229
92 2026-08-21 08:01 639228961065054445
54 ms 91.235.212.22
91 2026-08-21 08:01 639228961065054445
54 ms 217.147.223.78
90 2026-08-21 08:01 639228961065054445
54 ms 158.180.28.150
89 2026-08-21 08:01 639228961065054445
54 ms 195.186.4.101
88 2026-08-21 07:45 639228951224649885
23 ms 109.233.182.116
87 2026-08-21 07:45 639228951224649885
23 ms 91.235.212.22
86 2026-08-21 07:45 639228951224649885
23 ms 82.197.164.46
85 2026-08-21 07:45 639228951224649885
23 ms 162.159.200.1
84 2026-08-21 07:28 639228941303864592
2018 ms 134.60.1.27
83 2026-08-21 07:28 639228941303864592
2018 ms 78.47.168.188
82 2026-08-21 07:28 639228941303864592
2018 ms 94.130.23.46
81 2026-08-21 07:28 639228941303864592
2018 ms 128.140.37.196
80 2026-08-21 07:12 639228931191328583
30 ms 195.141.190.190
79 2026-08-21 07:12 639228931191328583
30 ms 91.235.212.22
78 2026-08-21 07:12 639228931191328583
30 ms 84.16.69.149
77 2026-08-21 07:12 639228931191328583
30 ms 82.197.188.130
76 2026-08-21 06:19 639228899518173317
6 ms 162.159.200.1
75 2026-08-21 06:19 639228899518173317
6 ms 5.148.175.134
74 2026-08-21 06:19 639228899518173317
6 ms 193.134.29.11
73 2026-08-21 06:19 639228899518173317
6 ms 217.147.208.1
72 2026-08-21 06:03 639228889785027669
24 ms 217.147.208.1
71 2026-08-21 06:03 639228889785027669
24 ms 158.180.28.150
70 2026-08-21 06:03 639228889785027669
24 ms 156.106.214.48
69 2026-08-21 06:03 639228889785027669
24 ms 217.147.223.78
68 2026-08-21 05:46 639228880106330161
2090 ms 162.159.200.123
67 2026-08-21 05:46 639228880106330161
2090 ms 82.118.235.227
66 2026-08-21 05:46 639228880106330161
2090 ms 185.117.82.71
65 2026-08-21 05:46 639228880106330161
2090 ms 78.159.131.45
64 2026-08-21 05:30 639228870316184091
3 ms 85.195.226.126
63 2026-08-21 05:30 639228870316184091
3 ms 162.159.200.1
62 2026-08-21 05:30 639228870316184091
3 ms 85.195.210.125
61 2026-08-21 05:30 639228870316184091
3 ms 195.141.190.190
60 2026-08-21 05:14 639228860695366512
2010 ms 141.98.136.83
59 2026-08-21 05:14 639228860695366512
2010 ms 78.46.87.46
58 2026-08-21 05:14 639228860695366512
2010 ms 144.76.136.87
57 2026-08-21 05:14 639228860695366512
2010 ms 172.104.134.72
56 2026-08-21 04:58 639228851027209500
5 ms 212.25.15.128
55 2026-08-21 04:58 639228851027209500
5 ms 195.186.4.101
54 2026-08-21 04:58 639228851027209500
5 ms 217.147.223.78
53 2026-08-21 04:58 639228851027209500
5 ms 162.159.200.1
52 2026-08-21 04:42 639228841479265462
2 ms 83.166.131.226
51 2026-08-21 04:42 639228841479265462
2 ms 162.159.200.123
50 2026-08-21 04:42 639228841479265462
2 ms 83.150.53.153
49 2026-08-21 04:42 639228841479265462
2 ms 193.134.29.12
48 2026-08-21 04:26 639228831752962260
48 ms 158.180.28.150
47 2026-08-21 04:26 639228831752962260
48 ms 85.195.226.126
46 2026-08-21 04:26 639228831752962260
48 ms 85.195.210.125
45 2026-08-21 04:26 639228831752962260
48 ms 84.16.69.149
44 2026-08-21 04:10 639228821953295483
28 ms 31.3.128.55
43 2026-08-21 04:10 639228821953295483
28 ms 83.150.53.153
42 2026-08-21 04:10 639228821953295483
28 ms 158.180.28.150
41 2026-08-21 04:10 639228821953295483
28 ms 62.12.167.109
40 2026-08-21 03:53 639228812227429953
3 ms 156.106.214.48
39 2026-08-21 03:53 639228812227429953
3 ms 82.197.164.46
38 2026-08-21 03:53 639228812227429953
3 ms 83.166.131.226
37 2026-08-21 03:53 639228812227429953
3 ms 193.134.29.11
36 2026-08-21 03:37 639228802476107538
17 ms 84.254.99.155
35 2026-08-21 03:37 639228802476107538
17 ms 83.166.131.226
34 2026-08-21 03:37 639228802476107538
17 ms 85.195.226.126
33 2026-08-21 03:37 639228802476107538
17 ms 192.33.96.102
32 2026-08-21 03:20 639228792525492032
2 ms 62.12.167.109
31 2026-08-21 03:20 639228792525492032
2 ms 79.110.235.11
30 2026-08-21 03:20 639228792525492032
2 ms 85.195.226.126
29 2026-08-21 03:20 639228792525492032
2 ms 84.254.99.155
28 2026-08-21 02:28 639228761131421385
3 ms 212.51.144.47
27 2026-08-21 02:28 639228761131421385
3 ms 193.134.29.12
26 2026-08-21 02:28 639228761131421385
3 ms 179.237.70.113
25 2026-08-21 02:28 639228761131421385
3 ms 84.16.69.149
24 2026-08-21 02:12 639228751571206692
12 ms 83.166.131.226
23 2026-08-21 02:12 639228751571206692
12 ms 212.51.144.44
22 2026-08-21 02:12 639228751571206692
12 ms 193.134.29.12
21 2026-08-21 02:12 639228751571206692
12 ms 217.147.208.1
20 2026-08-21 01:56 639228741705571019
7 ms 162.159.200.1
19 2026-08-21 01:56 639228741705571019
7 ms 158.180.28.150
18 2026-08-21 01:56 639228741705571019
7 ms 217.147.223.78
17 2026-08-21 01:56 639228741705571019
7 ms 84.254.99.155
16 2026-08-21 01:39 639228731642208228
63 ms 31.3.128.55
15 2026-08-21 01:39 639228731642208228
63 ms 193.134.29.11
14 2026-08-21 01:39 639228731642208228
63 ms 195.186.1.101
13 2026-08-21 01:39 639228731642208228
63 ms 84.254.99.155
12 2026-08-21 00:47 639228700387002072
3 ms 31.3.128.55
11 2026-08-21 00:47 639228700387002072
3 ms 83.150.53.153
10 2026-08-21 00:47 639228700387002072
3 ms 212.51.144.44
9 2026-08-21 00:47 639228700387002072
3 ms 85.195.200.187
8 2026-08-21 00:31 639228690742014433
8 ms 162.159.200.1
7 2026-08-21 00:31 639228690742014433
8 ms 83.228.250.108
6 2026-08-21 00:31 639228690742014433
8 ms 85.195.210.125
5 2026-08-21 00:31 639228690742014433
8 ms 81.94.123.17
4 2026-08-21 00:14 639228680877937122
6 ms 212.51.144.47
3 2026-08-21 00:14 639228680877937122
6 ms 195.186.4.100
2 2026-08-21 00:14 639228680877937122
6 ms 84.254.99.155
1 2026-08-21 00:14 639228680877937122
6 ms 83.150.25.25