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 2026-08-20. For this date, NameServerHistory found 225 DNS check records, 224 successful responses, 1 failed responses, and 199 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

225

Historical checks stored for this nameserver on selected date

Average Latency

199 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

81.94.123.16

Most recently resolved hosting IP on selected date

Successful Responses

224

Checks that returned a measurable response

Failed Responses

1

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 2026-08-20 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
225 2026-08-20 23:58 639228670775860800
10 ms 81.94.123.16
224 2026-08-20 23:58 639228670775860800
10 ms 83.228.250.108
223 2026-08-20 23:58 639228670775860800
10 ms 81.94.123.17
222 2026-08-20 23:58 639228670775860800
10 ms 195.186.1.101
221 2026-08-20 23:06 639228639850033448
4 ms 185.32.222.237
220 2026-08-20 23:06 639228639850033448
4 ms 82.197.188.130
219 2026-08-20 23:06 639228639850033448
4 ms 91.214.191.135
218 2026-08-20 23:06 639228639850033448
4 ms 83.228.214.249
217 2026-08-20 22:50 639228630204271870
6 ms 82.197.164.46
216 2026-08-20 22:50 639228630204271870
6 ms 80.242.192.202
215 2026-08-20 22:50 639228630204271870
6 ms 212.51.144.47
214 2026-08-20 22:50 639228630204271870
6 ms 193.5.60.8
213 2026-08-20 22:33 639228620295091135
2030 ms 129.70.132.33
212 2026-08-20 22:33 639228620295091135
2030 ms 185.248.189.10
211 2026-08-20 22:33 639228620295091135
2030 ms 188.68.34.173
210 2026-08-20 22:33 639228620295091135
2030 ms 31.70.84.16
209 2026-08-20 22:17 639228610298336915
115 ms 156.106.214.52
208 2026-08-20 22:17 639228610298336915
115 ms 156.106.214.48
207 2026-08-20 22:17 639228610298336915
115 ms 195.186.4.100
206 2026-08-20 22:17 639228610298336915
115 ms 91.214.191.135
205 2026-08-20 21:24 639228578917047616
31 ms 162.159.200.1
204 2026-08-20 21:24 639228578917047616
31 ms 195.141.190.190
203 2026-08-20 21:24 639228578917047616
31 ms 84.254.99.155
202 2026-08-20 21:24 639228578917047616
31 ms 158.180.28.150
201 2026-08-20 21:08 639228569046445709
3 ms 162.159.200.123
200 2026-08-20 21:08 639228569046445709
3 ms 156.106.214.48
199 2026-08-20 21:08 639228569046445709
3 ms 84.254.80.94
198 2026-08-20 21:08 639228569046445709
3 ms 31.3.128.55
197 2026-08-20 20:51 639228558946830986
3 ms 179.237.70.113
196 2026-08-20 20:51 639228558946830986
3 ms 158.180.28.150
195 2026-08-20 20:51 639228558946830986
3 ms 109.233.182.116
194 2026-08-20 20:51 639228558946830986
3 ms 217.147.208.1
193 2026-08-20 20:35 639228548977359217
24 ms 62.220.129.71
192 2026-08-20 20:35 639228548977359217
24 ms 193.134.29.11
191 2026-08-20 20:35 639228548977359217
24 ms 212.51.144.46
190 2026-08-20 20:35 639228548977359217
24 ms 109.233.182.115
189 2026-08-20 19:42 639228517494157668
28 ms 162.159.200.1
188 2026-08-20 19:42 639228517494157668
28 ms 83.166.131.226
187 2026-08-20 19:42 639228517494157668
28 ms 31.3.128.55
186 2026-08-20 19:42 639228517494157668
28 ms 83.150.53.153
185 2026-08-20 19:25 639228507374116892
6 ms 83.150.53.153
184 2026-08-20 19:25 639228507374116892
6 ms 130.60.204.10
183 2026-08-20 19:25 639228507374116892
6 ms 5.148.175.134
182 2026-08-20 19:25 639228507374116892
6 ms 109.233.182.116
181 2026-08-20 19:08 639228497315154893
4 ms 46.22.24.205
180 2026-08-20 19:08 639228497315154893
4 ms 217.147.208.1
179 2026-08-20 19:08 639228497315154893
4 ms 31.3.128.55
178 2026-08-20 19:08 639228497315154893
4 ms 179.237.70.113
177 2026-08-20 18:52 639228487287648341
36 ms 217.147.223.78
176 2026-08-20 18:52 639228487287648341
36 ms 84.254.99.155
175 2026-08-20 18:52 639228487287648341
36 ms 85.195.210.125
174 2026-08-20 18:52 639228487287648341
36 ms 84.16.69.149
173 2026-08-20 17:59 639228455828123788
39 ms 212.25.15.128
172 2026-08-20 17:59 639228455828123788
39 ms 162.159.200.123
171 2026-08-20 17:59 639228455828123788
39 ms 156.106.214.48
170 2026-08-20 17:59 639228455828123788
39 ms 158.180.28.150
169 2026-08-20 17:43 639228445900082244
11 ms 195.186.1.101
168 2026-08-20 17:43 639228445900082244
11 ms 83.166.131.226
167 2026-08-20 17:43 639228445900082244
11 ms 109.233.182.116
166 2026-08-20 17:43 639228445900082244
11 ms 162.159.200.1
165 2026-08-20 17:26 639228435866352323
25 ms 195.141.190.190
164 2026-08-20 17:26 639228435866352323
25 ms 31.3.128.55
163 2026-08-20 17:26 639228435866352323
25 ms 81.94.123.17
162 2026-08-20 17:26 639228435866352323
25 ms 81.94.123.16
161 2026-08-20 17:09 639228425802273151
3 ms 84.254.99.155
160 2026-08-20 17:09 639228425802273151
3 ms 156.106.214.52
159 2026-08-20 17:09 639228425802273151
3 ms 212.51.144.44
158 2026-08-20 17:09 639228425802273151
3 ms 82.197.164.46
157 2026-08-20 16:16 639228393616324230
4 ms 212.51.144.46
156 2026-08-20 16:16 639228393616324230
4 ms 83.166.131.226
155 2026-08-20 16:16 639228393616324230
4 ms 212.25.15.128
154 2026-08-20 16:16 639228393616324230
4 ms 179.237.70.113
153 2026-08-20 15:59 639228383590408693
10 ms 84.16.69.149
152 2026-08-20 15:59 639228383590408693
10 ms 158.180.28.150
151 2026-08-20 15:59 639228383590408693
10 ms 212.51.144.46
150 2026-08-20 15:59 639228383590408693
10 ms 130.60.204.10
149 2026-08-20 15:42 639228373471467474
20 ms 192.33.217.10
148 2026-08-20 15:42 639228373471467474
20 ms 156.106.214.48
147 2026-08-20 15:42 639228373471467474
20 ms 212.51.144.44
146 2026-08-20 15:42 639228373471467474
20 ms 83.150.53.153
145 2026-08-20 15:25 639228363426647311
9 ms 193.134.29.12
144 2026-08-20 15:25 639228363426647311
9 ms 195.186.4.100
143 2026-08-20 15:25 639228363426647311
9 ms 162.159.200.123
142 2026-08-20 15:25 639228363426647311
9 ms 162.159.200.1
141 2026-08-20 14:32 639228331681701910
2041 ms 162.55.190.98
140 2026-08-20 14:32 639228331681701910
2041 ms 46.38.241.235
139 2026-08-20 14:32 639228331681701910
2041 ms 162.159.200.123
138 2026-08-20 14:32 639228331681701910
2041 ms 129.250.35.250
137 2026-08-20 14:16 639228321714746824
3 ms 62.12.167.109
136 2026-08-20 14:16 639228321714746824
3 ms 212.25.15.128
135 2026-08-20 14:16 639228321714746824
3 ms 212.51.144.46
134 2026-08-20 14:16 639228321714746824
3 ms 81.94.123.17
133 2026-08-20 13:59 639228311652090262
4 ms 193.134.29.12
132 2026-08-20 13:59 639228311652090262
4 ms 212.25.15.128
131 2026-08-20 13:59 639228311652090262
4 ms 85.195.200.187
130 2026-08-20 13:59 639228311652090262
4 ms 162.159.200.123
129 2026-08-20 13:42 639228301670088587
3 ms 156.106.214.48
128 2026-08-20 13:42 639228301670088587
3 ms 84.254.99.155
127 2026-08-20 13:42 639228301670088587
3 ms 85.195.210.125
126 2026-08-20 13:42 639228301670088587
3 ms 162.159.200.1
125 2026-08-20 12:50 639228269987976710
54 ms 85.195.210.125
124 2026-08-20 12:50 639228269987976710
54 ms 62.12.167.109
123 2026-08-20 12:50 639228269987976710
54 ms 162.159.200.1
122 2026-08-20 12:50 639228269987976710
54 ms 79.110.235.11
121 2026-08-20 12:33 639228260009452308
18 ms 162.159.200.123
120 2026-08-20 12:33 639228260009452308
18 ms 212.51.144.46
119 2026-08-20 12:33 639228260009452308
18 ms 83.166.131.226
118 2026-08-20 12:33 639228260009452308
18 ms 162.159.200.1
117 2026-08-20 12:16 639228249661740894
19 ms 91.235.212.22
116 2026-08-20 12:16 639228249661740894
19 ms 156.106.214.52
115 2026-08-20 12:16 639228249661740894
19 ms 217.147.223.78
114 2026-08-20 12:16 639228249661740894
19 ms 79.110.235.11
113 2026-08-20 11:59 639228239552680346
7 ms 84.16.69.149
112 2026-08-20 11:59 639228239552680346
7 ms 179.237.70.113
111 2026-08-20 11:59 639228239552680346
7 ms 212.51.144.47
110 2026-08-20 11:59 639228239552680346
7 ms 156.106.214.52
109 2026-08-20 11:06 639228207667580819
4 ms 162.159.200.1
108 2026-08-20 11:06 639228207667580819
4 ms 192.33.96.102
107 2026-08-20 11:06 639228207667580819
4 ms 176.10.125.102
106 2026-08-20 11:06 639228207667580819
4 ms 217.147.208.1
105 2026-08-20 10:49 639228197494011560
3 ms 217.147.223.78
104 2026-08-20 10:49 639228197494011560
3 ms 84.254.99.155
103 2026-08-20 10:49 639228197494011560
3 ms 176.10.125.102
102 2026-08-20 10:49 639228197494011560
3 ms 162.159.200.1
101 2026-08-20 10:32 639228187497039939
2 ms 82.197.188.130
100 2026-08-20 10:32 639228187497039939
2 ms 162.159.200.1
99 2026-08-20 10:32 639228187497039939
2 ms 212.51.144.44
98 2026-08-20 10:32 639228187497039939
2 ms 62.12.167.109
97 2026-08-20 10:15 639228177408432646
6 ms 31.3.128.55
96 2026-08-20 10:15 639228177408432646
6 ms 83.166.131.226
95 2026-08-20 10:15 639228177408432646
6 ms 162.159.200.1
94 2026-08-20 10:15 639228177408432646
6 ms 83.150.53.153
93 2026-08-20 09:24 639228146356166262
18 ms 85.195.226.126
92 2026-08-20 09:24 639228146356166262
18 ms 156.106.214.52
91 2026-08-20 09:24 639228146356166262
18 ms 193.134.29.11
90 2026-08-20 09:24 639228146356166262
18 ms 84.254.99.155
89 2026-08-20 09:07 639228136541505712
2012 ms 194.36.144.87
88 2026-08-20 09:07 639228136541505712
2012 ms 90.187.112.137
87 2026-08-20 09:07 639228136541505712
2012 ms 77.90.0.148
86 2026-08-20 09:07 639228136541505712
2012 ms 5.75.181.179
85 2026-08-20 08:50 639228126519136598
47 ms 193.5.60.8
84 2026-08-20 08:50 639228126519136598
47 ms 195.186.1.101
83 2026-08-20 08:50 639228126519136598
47 ms 5.148.175.134
82 2026-08-20 08:50 639228126519136598
47 ms 85.195.210.125
81 2026-08-20 08:34 639228116537148885
6 ms 91.214.191.135
80 2026-08-20 08:34 639228116537148885
6 ms 217.147.208.1
79 2026-08-20 08:34 639228116537148885
6 ms 91.235.212.22
78 2026-08-20 08:34 639228116537148885
6 ms 83.228.250.108
77 2026-08-20 07:42 639228085320764351
3 ms 176.10.125.102
76 2026-08-20 07:42 639228085320764351
3 ms 212.25.15.128
75 2026-08-20 07:42 639228085320764351
3 ms 212.51.144.46
74 2026-08-20 07:42 639228085320764351
3 ms 82.197.164.46
73 2026-08-20 07:25 639228075444604839
14 ms 79.110.235.11
72 2026-08-20 07:25 639228075444604839
14 ms 81.94.123.17
71 2026-08-20 07:25 639228075444604839
14 ms 193.134.29.11
70 2026-08-20 07:25 639228075444604839
14 ms 83.150.53.153
69 2026-08-20 07:09 639228065615498985
28 ms 83.150.53.153
68 2026-08-20 07:09 639228065615498985
28 ms 83.166.131.226
67 2026-08-20 07:09 639228065615498985
28 ms 62.12.167.109
66 2026-08-20 07:09 639228065615498985
28 ms 195.141.190.190
65 2026-08-20 06:52 639228055675321422
69 ms 156.106.214.52
64 2026-08-20 06:52 639228055675321422
69 ms 192.33.96.102
63 2026-08-20 06:52 639228055675321422
69 ms 82.197.164.46
62 2026-08-20 06:52 639228055675321422
69 ms 83.150.53.153
61 2026-08-20 06:00 639228024230839396
6 ms 156.106.214.48
60 2026-08-20 06:00 639228024230839396
6 ms 162.159.200.1
59 2026-08-20 06:00 639228024230839396
6 ms 85.195.226.126
58 2026-08-20 06:00 639228024230839396
6 ms 162.159.200.123
57 2026-08-20 05:44 639228014720406505
3 ms 185.32.222.237
56 2026-08-20 05:44 639228014720406505
3 ms 85.195.200.187
55 2026-08-20 05:44 639228014720406505
3 ms 193.134.29.11
54 2026-08-20 05:44 639228014720406505
3 ms 217.147.208.1
53 2026-08-20 05:28 639228004930827030
10 ms 162.159.200.123
52 2026-08-20 05:28 639228004930827030
10 ms 217.147.208.1
51 2026-08-20 05:28 639228004930827030
10 ms 81.94.123.16
50 2026-08-20 05:28 639228004930827030
10 ms 85.195.200.187
49 2026-08-20 05:11 639227995103340154
7 ms 85.195.210.125
48 2026-08-20 05:11 639227995103340154
7 ms 81.94.123.16
47 2026-08-20 05:11 639227995103340154
7 ms 80.242.192.230
46 2026-08-20 05:11 639227995103340154
7 ms 212.25.15.128
45 2026-08-20 04:19 639227963811374894
2035 ms 87.120.244.14
44 2026-08-20 04:19 639227963811374894
2035 ms 78.159.131.45
43 2026-08-20 04:19 639227963811374894
2035 ms 94.72.140.160
42 2026-08-20 04:19 639227963811374894
2035 ms 162.159.200.123
41 2026-08-20 04:03 639227954132571365
37 ms 156.106.214.48
40 2026-08-20 04:03 639227954132571365
37 ms 84.16.69.149
39 2026-08-20 04:03 639227954132571365
37 ms 162.159.200.123
38 2026-08-20 04:03 639227954132571365
37 ms 193.134.29.11
37 2026-08-20 03:47 639227944541208342
6 ms 85.195.226.126
36 2026-08-20 03:47 639227944541208342
6 ms 217.147.223.78
35 2026-08-20 03:47 639227944541208342
6 ms 162.159.200.123
34 2026-08-20 03:47 639227944541208342
6 ms 158.180.28.150
33 2026-08-20 03:31 639227934657213484
29 ms 195.141.190.190
32 2026-08-20 03:31 639227934657213484
29 ms 156.106.214.52
31 2026-08-20 03:31 639227934657213484
29 ms 80.242.192.202
30 2026-08-20 03:31 639227934657213484
29 ms 217.147.208.1
29 2026-08-20 02:39 639227903628145469
8 ms 79.110.235.11
28 2026-08-20 02:39 639227903628145469
8 ms 81.94.123.17
27 2026-08-20 02:39 639227903628145469
8 ms 192.33.96.102
26 2026-08-20 02:39 639227903628145469
8 ms 85.195.226.126
25 2026-08-20 02:23 639227893995483475
49 ms 193.5.60.9
24 2026-08-20 02:23 639227893995483475
49 ms 212.25.15.128
23 2026-08-20 02:23 639227893995483475
49 ms 162.159.200.1
22 2026-08-20 02:23 639227893995483475
49 ms 85.195.226.126
21 2026-08-20 02:07 639227884280244209
28 ms 162.159.200.123
20 2026-08-20 02:07 639227884280244209
28 ms 212.51.144.47
19 2026-08-20 02:07 639227884280244209
28 ms 81.94.123.17
18 2026-08-20 02:07 639227884280244209
28 ms 62.12.173.12
17 2026-08-20 01:50 639227874371147132
72 ms 85.195.210.125
16 2026-08-20 01:50 639227874371147132
72 ms 85.195.226.126
15 2026-08-20 01:50 639227874371147132
72 ms 83.228.214.249
14 2026-08-20 01:50 639227874371147132
72 ms 81.94.123.16
13 2026-08-20 00:58 639227843224256432
8 ms 162.159.200.1
12 2026-08-20 00:58 639227843224256432
8 ms 217.147.223.78
11 2026-08-20 00:58 639227843224256432
8 ms 141.227.139.58
10 2026-08-20 00:58 639227843224256432
8 ms 212.25.15.128
9 2026-08-20 00:42 639227833720403506
47 ms 5.148.175.134
8 2026-08-20 00:42 639227833720403506
47 ms 85.195.200.187
7 2026-08-20 00:42 639227833720403506
47 ms 156.106.214.48
6 2026-08-20 00:42 639227833720403506
47 ms 85.195.226.126
5 2026-08-20 00:27 639227824170728278
-
4 2026-08-20 00:11 639227814865867570
2033 ms 195.85.215.215
3 2026-08-20 00:11 639227814865867570
2033 ms 213.91.190.205
2 2026-08-20 00:11 639227814865867570
2033 ms 162.159.200.1
1 2026-08-20 00:11 639227814865867570
2033 ms 78.159.131.45