DNS response history for server1.duhlabs.com

server1.duhlabs.com 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 219 DNS check records, 219 successful responses, 0 failed responses, and 304 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 server1.duhlabs.com.
Records on Selected Date

219

Historical checks stored for this nameserver on selected date

Average Latency

304 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:56

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.236.109.120

Most recently resolved hosting IP on selected date

Successful Responses

219

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 server1.duhlabs.com

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
219 2026-08-21 23:56 639229527598660841
46 ms 172.236.109.120
218 2026-08-21 23:56 639229527598660841
46 ms 172.238.190.126
217 2026-08-21 23:56 639229527598660841
46 ms 172.232.3.86
216 2026-08-21 23:40 639229517954323214
229 ms 172.232.3.86
215 2026-08-21 23:40 639229517954323214
229 ms 172.236.109.120
214 2026-08-21 23:40 639229517954323214
229 ms 172.238.190.126
213 2026-08-21 23:24 639229508269999021
232 ms 172.232.3.86
212 2026-08-21 23:24 639229508269999021
232 ms 172.238.190.126
211 2026-08-21 23:24 639229508269999021
232 ms 172.236.109.120
210 2026-08-21 23:08 639229498559060171
366 ms 172.238.190.126
209 2026-08-21 23:08 639229498559060171
366 ms 172.236.109.120
208 2026-08-21 23:08 639229498559060171
366 ms 172.232.3.86
207 2026-08-21 22:51 639229488519347586
327 ms 172.232.3.86
206 2026-08-21 22:51 639229488519347586
327 ms 172.238.190.126
205 2026-08-21 22:51 639229488519347586
327 ms 172.236.109.120
204 2026-08-21 21:58 639229456606578934
264 ms 172.236.109.120
203 2026-08-21 21:58 639229456606578934
264 ms 172.232.3.86
202 2026-08-21 21:58 639229456606578934
264 ms 172.238.190.126
201 2026-08-21 21:42 639229446985772499
266 ms 172.238.190.126
200 2026-08-21 21:42 639229446985772499
266 ms 172.236.109.120
199 2026-08-21 21:42 639229446985772499
266 ms 172.232.3.86
198 2026-08-21 21:26 639229437367313098
221 ms 172.232.3.86
197 2026-08-21 21:26 639229437367313098
221 ms 172.238.190.126
196 2026-08-21 21:26 639229437367313098
221 ms 172.236.109.120
195 2026-08-21 21:10 639229427923950391
32 ms 172.238.190.126
194 2026-08-21 21:10 639229427923950391
32 ms 172.236.109.120
193 2026-08-21 21:10 639229427923950391
32 ms 172.232.3.86
192 2026-08-21 20:54 639229418168588854
231 ms 172.238.190.126
191 2026-08-21 20:54 639229418168588854
231 ms 172.236.109.120
190 2026-08-21 20:54 639229418168588854
231 ms 172.232.3.86
189 2026-08-21 20:37 639229408345678334
120 ms 172.238.190.126
188 2026-08-21 20:37 639229408345678334
120 ms 172.236.109.120
187 2026-08-21 20:37 639229408345678334
120 ms 172.232.3.86
186 2026-08-21 20:21 639229398616354648
152 ms 172.238.190.126
185 2026-08-21 20:21 639229398616354648
152 ms 172.232.3.86
184 2026-08-21 20:21 639229398616354648
152 ms 172.236.109.120
183 2026-08-21 20:05 639229388634592323
97 ms 172.236.109.120
182 2026-08-21 20:05 639229388634592323
97 ms 172.232.3.86
181 2026-08-21 20:05 639229388634592323
97 ms 172.238.190.126
180 2026-08-21 19:48 639229378792837692
27 ms 172.236.109.120
179 2026-08-21 19:48 639229378792837692
27 ms 172.238.190.126
178 2026-08-21 19:48 639229378792837692
27 ms 172.232.3.86
177 2026-08-21 19:32 639229369154682311
299 ms 172.236.109.120
176 2026-08-21 19:32 639229369154682311
299 ms 172.238.190.126
175 2026-08-21 19:32 639229369154682311
299 ms 172.232.3.86
174 2026-08-21 19:16 639229359248017926
33 ms 172.238.190.126
173 2026-08-21 19:16 639229359248017926
33 ms 172.236.109.120
172 2026-08-21 19:16 639229359248017926
33 ms 172.232.3.86
171 2026-08-21 18:59 639229349124294642
24 ms 172.238.190.126
170 2026-08-21 18:59 639229349124294642
24 ms 172.232.3.86
169 2026-08-21 18:59 639229349124294642
24 ms 172.236.109.120
168 2026-08-21 18:06 639229317791715692
55 ms 172.236.109.120
167 2026-08-21 18:06 639229317791715692
55 ms 172.232.3.86
166 2026-08-21 18:06 639229317791715692
55 ms 172.238.190.126
165 2026-08-21 17:50 639229308115194575
2031 ms 172.236.109.120
164 2026-08-21 17:50 639229308115194575
2031 ms 172.238.190.126
163 2026-08-21 17:50 639229308115194575
2031 ms 172.232.3.86
162 2026-08-21 17:34 639229298320320558
23 ms 172.236.109.120
161 2026-08-21 17:34 639229298320320558
23 ms 172.232.3.86
160 2026-08-21 17:34 639229298320320558
23 ms 172.238.190.126
159 2026-08-21 17:18 639229288674863221
314 ms 172.236.109.120
158 2026-08-21 17:18 639229288674863221
314 ms 172.232.3.86
157 2026-08-21 17:18 639229288674863221
314 ms 172.238.190.126
156 2026-08-21 17:02 639229278983677079
228 ms 172.232.3.86
155 2026-08-21 17:02 639229278983677079
228 ms 172.238.190.126
154 2026-08-21 17:02 639229278983677079
228 ms 172.236.109.120
153 2026-08-21 16:45 639229269405517175
56 ms 172.236.109.120
152 2026-08-21 16:45 639229269405517175
56 ms 172.232.3.86
151 2026-08-21 16:45 639229269405517175
56 ms 172.238.190.126
150 2026-08-21 16:29 639229259594798244
101 ms 172.236.109.120
149 2026-08-21 16:29 639229259594798244
101 ms 172.238.190.126
148 2026-08-21 16:29 639229259594798244
101 ms 172.232.3.86
147 2026-08-21 16:13 639229249736681188
283 ms 172.236.109.120
146 2026-08-21 16:13 639229249736681188
283 ms 172.238.190.126
145 2026-08-21 16:13 639229249736681188
283 ms 172.232.3.86
144 2026-08-21 15:56 639229239699417787
438 ms 172.238.190.126
143 2026-08-21 15:56 639229239699417787
438 ms 172.232.3.86
142 2026-08-21 15:56 639229239699417787
438 ms 172.236.109.120
141 2026-08-21 15:40 639229229621964033
231 ms 172.232.3.86
140 2026-08-21 15:40 639229229621964033
231 ms 172.238.190.126
139 2026-08-21 15:40 639229229621964033
231 ms 172.236.109.120
138 2026-08-21 15:23 639229219567270965
208 ms 172.232.3.86
137 2026-08-21 15:23 639229219567270965
208 ms 172.238.190.126
136 2026-08-21 15:23 639229219567270965
208 ms 172.236.109.120
135 2026-08-21 15:06 639229209406666856
150 ms 172.238.190.126
134 2026-08-21 15:06 639229209406666856
150 ms 172.236.109.120
133 2026-08-21 15:06 639229209406666856
150 ms 172.232.3.86
132 2026-08-21 14:13 639229177815876178
86 ms 172.232.3.86
131 2026-08-21 14:13 639229177815876178
86 ms 172.238.190.126
130 2026-08-21 14:13 639229177815876178
86 ms 172.236.109.120
129 2026-08-21 13:57 639229168243572685
252 ms 172.236.109.120
128 2026-08-21 13:57 639229168243572685
252 ms 172.238.190.126
127 2026-08-21 13:57 639229168243572685
252 ms 172.232.3.86
126 2026-08-21 13:41 639229158599856475
28 ms 172.232.3.86
125 2026-08-21 13:41 639229158599856475
28 ms 172.238.190.126
124 2026-08-21 13:41 639229158599856475
28 ms 172.236.109.120
123 2026-08-21 13:25 639229148998940902
98 ms 172.232.3.86
122 2026-08-21 13:25 639229148998940902
98 ms 172.238.190.126
121 2026-08-21 13:25 639229148998940902
98 ms 172.236.109.120
120 2026-08-21 13:09 639229139276923594
165 ms 172.232.3.86
119 2026-08-21 13:09 639229139276923594
165 ms 172.236.109.120
118 2026-08-21 13:09 639229139276923594
165 ms 172.238.190.126
117 2026-08-21 12:53 639229129709912394
380 ms 172.236.109.120
116 2026-08-21 12:53 639229129709912394
380 ms 172.238.190.126
115 2026-08-21 12:53 639229129709912394
380 ms 172.232.3.86
114 2026-08-21 12:37 639229119801488500
23 ms 172.236.109.120
113 2026-08-21 12:37 639229119801488500
23 ms 172.232.3.86
112 2026-08-21 12:37 639229119801488500
23 ms 172.238.190.126
111 2026-08-21 12:20 639229110135262458
250 ms 172.236.109.120
110 2026-08-21 12:20 639229110135262458
250 ms 172.238.190.126
109 2026-08-21 12:20 639229110135262458
250 ms 172.232.3.86
108 2026-08-21 12:04 639229100336051392
300 ms 172.236.109.120
107 2026-08-21 12:04 639229100336051392
300 ms 172.238.190.126
106 2026-08-21 12:04 639229100336051392
300 ms 172.232.3.86
105 2026-08-21 11:48 639229090641415626
398 ms 172.232.3.86
104 2026-08-21 11:48 639229090641415626
398 ms 172.238.190.126
103 2026-08-21 11:48 639229090641415626
398 ms 172.236.109.120
102 2026-08-21 11:31 639229080702683947
27 ms 172.238.190.126
101 2026-08-21 11:31 639229080702683947
27 ms 172.236.109.120
100 2026-08-21 11:31 639229080702683947
27 ms 172.232.3.86
99 2026-08-21 11:14 639229070601456699
32 ms 172.236.109.120
98 2026-08-21 11:14 639229070601456699
32 ms 172.232.3.86
97 2026-08-21 11:14 639229070601456699
32 ms 172.238.190.126
96 2026-08-21 10:22 639229038947447232
2140 ms 172.238.190.126
95 2026-08-21 10:22 639229038947447232
2140 ms 172.232.3.86
94 2026-08-21 10:22 639229038947447232
2140 ms 172.236.109.120
93 2026-08-21 10:06 639229029268708773
222 ms 172.232.3.86
92 2026-08-21 10:06 639229029268708773
222 ms 172.236.109.120
91 2026-08-21 10:06 639229029268708773
222 ms 172.238.190.126
90 2026-08-21 09:49 639229019647910603
336 ms 172.236.109.120
89 2026-08-21 09:49 639229019647910603
336 ms 172.232.3.86
88 2026-08-21 09:49 639229019647910603
336 ms 172.238.190.126
87 2026-08-21 09:33 639229009983843738
239 ms 172.236.109.120
86 2026-08-21 09:33 639229009983843738
239 ms 172.238.190.126
85 2026-08-21 09:33 639229009983843738
239 ms 172.232.3.86
84 2026-08-21 09:17 639229000203331882
126 ms 172.232.3.86
83 2026-08-21 09:17 639229000203331882
126 ms 172.236.109.120
82 2026-08-21 09:17 639229000203331882
126 ms 172.238.190.126
81 2026-08-21 09:01 639228990302335999
179 ms 172.236.109.120
80 2026-08-21 09:01 639228990302335999
179 ms 172.232.3.86
79 2026-08-21 09:01 639228990302335999
179 ms 172.238.190.126
78 2026-08-21 08:44 639228980567740722
2054 ms 172.232.3.86
77 2026-08-21 08:44 639228980567740722
2054 ms 172.236.109.120
76 2026-08-21 08:44 639228980567740722
2054 ms 172.238.190.126
75 2026-08-21 08:28 639228970762445174
248 ms 172.238.190.126
74 2026-08-21 08:28 639228970762445174
248 ms 172.236.109.120
73 2026-08-21 08:28 639228970762445174
248 ms 172.232.3.86
72 2026-08-21 08:12 639228961065054445
261 ms 172.238.190.126
71 2026-08-21 08:12 639228961065054445
261 ms 172.236.109.120
70 2026-08-21 08:12 639228961065054445
261 ms 172.232.3.86
69 2026-08-21 07:56 639228951224649885
225 ms 172.238.190.126
68 2026-08-21 07:56 639228951224649885
225 ms 172.232.3.86
67 2026-08-21 07:56 639228951224649885
225 ms 172.236.109.120
66 2026-08-21 07:39 639228941303864592
223 ms 172.238.190.126
65 2026-08-21 07:39 639228941303864592
223 ms 172.236.109.120
64 2026-08-21 07:39 639228941303864592
223 ms 172.232.3.86
63 2026-08-21 07:22 639228931191328583
301 ms 172.236.109.120
62 2026-08-21 07:22 639228931191328583
301 ms 172.232.3.86
61 2026-08-21 07:22 639228931191328583
301 ms 172.238.190.126
60 2026-08-21 06:29 639228899518173317
234 ms 172.236.109.120
59 2026-08-21 06:29 639228899518173317
234 ms 172.238.190.126
58 2026-08-21 06:29 639228899518173317
234 ms 172.232.3.86
57 2026-08-21 06:13 639228889785027669
254 ms 172.232.3.86
56 2026-08-21 06:13 639228889785027669
254 ms 172.238.190.126
55 2026-08-21 06:13 639228889785027669
254 ms 172.236.109.120
54 2026-08-21 05:57 639228880106330161
2214 ms 172.232.3.86
53 2026-08-21 05:57 639228880106330161
2214 ms 172.238.190.126
52 2026-08-21 05:57 639228880106330161
2214 ms 172.236.109.120
51 2026-08-21 05:41 639228870316184091
363 ms 172.236.109.120
50 2026-08-21 05:41 639228870316184091
363 ms 172.238.190.126
49 2026-08-21 05:41 639228870316184091
363 ms 172.232.3.86
48 2026-08-21 05:25 639228860695366512
194 ms 172.238.190.126
47 2026-08-21 05:25 639228860695366512
194 ms 172.232.3.86
46 2026-08-21 05:25 639228860695366512
194 ms 172.236.109.120
45 2026-08-21 05:08 639228851027209500
317 ms 172.236.109.120
44 2026-08-21 05:08 639228851027209500
317 ms 172.238.190.126
43 2026-08-21 05:08 639228851027209500
317 ms 172.232.3.86
42 2026-08-21 04:52 639228841479265462
112 ms 172.232.3.86
41 2026-08-21 04:52 639228841479265462
112 ms 172.236.109.120
40 2026-08-21 04:52 639228841479265462
112 ms 172.238.190.126
39 2026-08-21 04:36 639228831752962260
28 ms 172.238.190.126
38 2026-08-21 04:36 639228831752962260
28 ms 172.236.109.120
37 2026-08-21 04:36 639228831752962260
28 ms 172.232.3.86
36 2026-08-21 04:20 639228821953295483
371 ms 172.238.190.126
35 2026-08-21 04:20 639228821953295483
371 ms 172.232.3.86
34 2026-08-21 04:20 639228821953295483
371 ms 172.236.109.120
33 2026-08-21 04:04 639228812227429953
247 ms 172.238.190.126
32 2026-08-21 04:04 639228812227429953
247 ms 172.232.3.86
31 2026-08-21 04:04 639228812227429953
247 ms 172.236.109.120
30 2026-08-21 03:47 639228802476107538
37 ms 172.236.109.120
29 2026-08-21 03:47 639228802476107538
37 ms 172.232.3.86
28 2026-08-21 03:47 639228802476107538
37 ms 172.238.190.126
27 2026-08-21 03:31 639228792525492032
228 ms 172.236.109.120
26 2026-08-21 03:31 639228792525492032
228 ms 172.232.3.86
25 2026-08-21 03:31 639228792525492032
228 ms 172.238.190.126
24 2026-08-21 02:39 639228761131421385
278 ms 172.236.109.120
23 2026-08-21 02:39 639228761131421385
278 ms 172.238.190.126
22 2026-08-21 02:39 639228761131421385
278 ms 172.232.3.86
21 2026-08-21 02:23 639228751571206692
408 ms 172.238.190.126
20 2026-08-21 02:23 639228751571206692
408 ms 172.232.3.86
19 2026-08-21 02:23 639228751571206692
408 ms 172.236.109.120
18 2026-08-21 02:06 639228741705571019
30 ms 172.238.190.126
17 2026-08-21 02:06 639228741705571019
30 ms 172.236.109.120
16 2026-08-21 02:06 639228741705571019
30 ms 172.232.3.86
15 2026-08-21 01:50 639228731642208228
146 ms 172.238.190.126
14 2026-08-21 01:50 639228731642208228
146 ms 172.232.3.86
13 2026-08-21 01:50 639228731642208228
146 ms 172.236.109.120
12 2026-08-21 00:57 639228700387002072
224 ms 172.236.109.120
11 2026-08-21 00:57 639228700387002072
224 ms 172.238.190.126
10 2026-08-21 00:57 639228700387002072
224 ms 172.232.3.86
9 2026-08-21 00:41 639228690742014433
189 ms 172.232.3.86
8 2026-08-21 00:41 639228690742014433
189 ms 172.236.109.120
7 2026-08-21 00:41 639228690742014433
189 ms 172.238.190.126
6 2026-08-21 00:25 639228680877937122
232 ms 172.236.109.120
5 2026-08-21 00:25 639228680877937122
232 ms 172.238.190.126
4 2026-08-21 00:25 639228680877937122
232 ms 172.232.3.86
3 2026-08-21 00:08 639228670775860800
400 ms 172.238.190.126
2 2026-08-21 00:08 639228670775860800
400 ms 172.232.3.86
1 2026-08-21 00:08 639228670775860800
400 ms 172.236.109.120