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 2026-08-22. For this date, NameServerHistory found 222 DNS check records, 222 successful responses, 0 failed responses, and 495 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

222

Historical checks stored for this nameserver on selected date

Average Latency

495 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 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

222

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 2026-08-22 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
222 2026-08-22 23:56 639230391807229016
233 ms 172.236.109.120
221 2026-08-22 23:56 639230391807229016
233 ms 172.232.3.86
220 2026-08-22 23:56 639230391807229016
233 ms 172.238.190.126
219 2026-08-22 23:40 639230382051619327
45 ms 172.236.109.120
218 2026-08-22 23:40 639230382051619327
45 ms 172.232.3.86
217 2026-08-22 23:40 639230382051619327
45 ms 172.238.190.126
216 2026-08-22 23:24 639230372323353529
35 ms 172.236.109.120
215 2026-08-22 23:24 639230372323353529
35 ms 172.238.190.126
214 2026-08-22 23:24 639230372323353529
35 ms 172.232.3.86
213 2026-08-22 23:08 639230362586451064
31 ms 172.236.109.120
212 2026-08-22 23:08 639230362586451064
31 ms 172.232.3.86
211 2026-08-22 23:08 639230362586451064
31 ms 172.238.190.126
210 2026-08-22 22:51 639230352793666303
343 ms 172.236.109.120
209 2026-08-22 22:51 639230352793666303
343 ms 172.238.190.126
208 2026-08-22 22:51 639230352793666303
343 ms 172.232.3.86
207 2026-08-22 22:35 639230342775737758
127 ms 172.238.190.126
206 2026-08-22 22:35 639230342775737758
127 ms 172.232.3.86
205 2026-08-22 22:35 639230342775737758
127 ms 172.236.109.120
204 2026-08-22 22:18 639230332639939561
144 ms 172.232.3.86
203 2026-08-22 22:18 639230332639939561
144 ms 172.238.190.126
202 2026-08-22 22:18 639230332639939561
144 ms 172.236.109.120
201 2026-08-22 21:25 639230301014190104
359 ms 172.232.3.86
200 2026-08-22 21:25 639230301014190104
359 ms 172.236.109.120
199 2026-08-22 21:25 639230301014190104
359 ms 172.238.190.126
198 2026-08-22 21:09 639230291048161498
305 ms 172.232.3.86
197 2026-08-22 21:09 639230291048161498
305 ms 172.238.190.126
196 2026-08-22 21:09 639230291048161498
305 ms 172.236.109.120
195 2026-08-22 20:52 639230280894353664
1660 ms 172.236.109.120
194 2026-08-22 20:52 639230280894353664
1660 ms 172.232.3.86
193 2026-08-22 20:52 639230280894353664
1660 ms 172.238.190.126
192 2026-08-22 20:35 639230270699419073
158 ms 172.238.190.126
191 2026-08-22 20:35 639230270699419073
158 ms 172.236.109.120
190 2026-08-22 20:35 639230270699419073
158 ms 172.232.3.86
189 2026-08-22 20:18 639230260248163050
2099 ms 172.232.3.86
188 2026-08-22 20:18 639230260248163050
2099 ms 172.236.109.120
187 2026-08-22 20:18 639230260248163050
2099 ms 172.238.190.126
186 2026-08-22 20:00 639230250122494282
242 ms 172.238.190.126
185 2026-08-22 20:00 639230250122494282
242 ms 172.232.3.86
184 2026-08-22 20:00 639230250122494282
242 ms 172.236.109.120
183 2026-08-22 19:43 639230239972935046
251 ms 172.236.109.120
182 2026-08-22 19:43 639230239972935046
251 ms 172.238.190.126
181 2026-08-22 19:43 639230239972935046
251 ms 172.232.3.86
180 2026-08-22 19:27 639230229963262464
233 ms 172.236.109.120
179 2026-08-22 19:27 639230229963262464
233 ms 172.232.3.86
178 2026-08-22 19:27 639230229963262464
233 ms 172.238.190.126
177 2026-08-22 19:10 639230220033804658
224 ms 172.238.190.126
176 2026-08-22 19:10 639230220033804658
224 ms 172.236.109.120
175 2026-08-22 19:10 639230220033804658
224 ms 172.232.3.86
174 2026-08-22 18:53 639230209891107289
328 ms 172.232.3.86
173 2026-08-22 18:53 639230209891107289
328 ms 172.236.109.120
172 2026-08-22 18:53 639230209891107289
328 ms 172.238.190.126
171 2026-08-22 18:36 639230199630298717
249 ms 172.236.109.120
170 2026-08-22 18:36 639230199630298717
249 ms 172.232.3.86
169 2026-08-22 18:36 639230199630298717
249 ms 172.238.190.126
168 2026-08-22 18:19 639230189301984150
157 ms 172.238.190.126
167 2026-08-22 18:19 639230189301984150
157 ms 172.236.109.120
166 2026-08-22 18:19 639230189301984150
157 ms 172.232.3.86
165 2026-08-22 17:26 639230157138468804
263 ms 172.238.190.126
164 2026-08-22 17:26 639230157138468804
263 ms 172.232.3.86
163 2026-08-22 17:26 639230157138468804
263 ms 172.236.109.120
162 2026-08-22 17:09 639230146987869495
240 ms 172.236.109.120
161 2026-08-22 17:09 639230146987869495
240 ms 172.238.190.126
160 2026-08-22 17:09 639230146987869495
240 ms 172.232.3.86
159 2026-08-22 16:52 639230136768638516
395 ms 172.232.3.86
158 2026-08-22 16:52 639230136768638516
395 ms 172.238.190.126
157 2026-08-22 16:52 639230136768638516
395 ms 172.236.109.120
156 2026-08-22 16:35 639230126735907877
219 ms 172.238.190.126
155 2026-08-22 16:35 639230126735907877
219 ms 172.232.3.86
154 2026-08-22 16:35 639230126735907877
219 ms 172.236.109.120
153 2026-08-22 16:18 639230116551187768
175 ms 172.236.109.120
152 2026-08-22 16:18 639230116551187768
175 ms 172.232.3.86
151 2026-08-22 16:18 639230116551187768
175 ms 172.238.190.126
150 2026-08-22 16:01 639230106335615913
2026 ms 172.238.190.126
149 2026-08-22 16:01 639230106335615913
2026 ms 172.232.3.86
148 2026-08-22 16:01 639230106335615913
2026 ms 172.236.109.120
147 2026-08-22 15:44 639230096177758176
304 ms 172.236.109.120
146 2026-08-22 15:44 639230096177758176
304 ms 172.232.3.86
145 2026-08-22 15:44 639230096177758176
304 ms 172.238.190.126
144 2026-08-22 15:27 639230086185999993
360 ms 172.236.109.120
143 2026-08-22 15:27 639230086185999993
360 ms 172.238.190.126
142 2026-08-22 15:27 639230086185999993
360 ms 172.232.3.86
141 2026-08-22 15:10 639230076247854903
2132 ms 172.238.190.126
140 2026-08-22 15:10 639230076247854903
2132 ms 172.232.3.86
139 2026-08-22 15:10 639230076247854903
2132 ms 172.236.109.120
138 2026-08-22 14:54 639230066076077530
2094 ms 172.238.190.126
137 2026-08-22 14:54 639230066076077530
2094 ms 172.236.109.120
136 2026-08-22 14:54 639230066076077530
2094 ms 172.232.3.86
135 2026-08-22 14:37 639230055738197328
229 ms 172.238.190.126
134 2026-08-22 14:37 639230055738197328
229 ms 172.236.109.120
133 2026-08-22 14:37 639230055738197328
229 ms 172.232.3.86
132 2026-08-22 14:19 639230045411225521
2026 ms 172.232.3.86
131 2026-08-22 14:19 639230045411225521
2026 ms 172.238.190.126
130 2026-08-22 14:19 639230045411225521
2026 ms 172.236.109.120
129 2026-08-22 13:25 639230013046000470
28 ms 172.232.3.86
128 2026-08-22 13:25 639230013046000470
28 ms 172.238.190.126
127 2026-08-22 13:25 639230013046000470
28 ms 172.236.109.120
126 2026-08-22 13:09 639230003090037878
361 ms 172.238.190.126
125 2026-08-22 13:09 639230003090037878
361 ms 172.232.3.86
124 2026-08-22 13:09 639230003090037878
361 ms 172.236.109.120
123 2026-08-22 12:52 639229993008259475
131 ms 172.236.109.120
122 2026-08-22 12:52 639229993008259475
131 ms 172.238.190.126
121 2026-08-22 12:52 639229993008259475
131 ms 172.232.3.86
120 2026-08-22 12:35 639229982909449470
2239 ms 172.232.3.86
119 2026-08-22 12:35 639229982909449470
2239 ms 172.236.109.120
118 2026-08-22 12:35 639229982909449470
2239 ms 172.238.190.126
117 2026-08-22 12:18 639229973035502212
372 ms 172.238.190.126
116 2026-08-22 12:18 639229973035502212
372 ms 172.236.109.120
115 2026-08-22 12:18 639229973035502212
372 ms 172.232.3.86
114 2026-08-22 12:02 639229963064296145
129 ms 172.236.109.120
113 2026-08-22 12:02 639229963064296145
129 ms 172.238.190.126
112 2026-08-22 12:02 639229963064296145
129 ms 172.232.3.86
111 2026-08-22 11:45 639229952996162143
246 ms 172.232.3.86
110 2026-08-22 11:45 639229952996162143
246 ms 172.236.109.120
109 2026-08-22 11:45 639229952996162143
246 ms 172.238.190.126
108 2026-08-22 11:28 639229943051949195
244 ms 172.238.190.126
107 2026-08-22 11:28 639229943051949195
244 ms 172.236.109.120
106 2026-08-22 11:28 639229943051949195
244 ms 172.232.3.86
105 2026-08-22 11:12 639229932919214934
163 ms 172.232.3.86
104 2026-08-22 11:12 639229932919214934
163 ms 172.236.109.120
103 2026-08-22 11:12 639229932919214934
163 ms 172.238.190.126
102 2026-08-22 10:55 639229922745889838
290 ms 172.236.109.120
101 2026-08-22 10:55 639229922745889838
290 ms 172.238.190.126
100 2026-08-22 10:55 639229922745889838
290 ms 172.232.3.86
99 2026-08-22 10:38 639229912587214796
261 ms 172.238.190.126
98 2026-08-22 10:38 639229912587214796
261 ms 172.232.3.86
97 2026-08-22 10:38 639229912587214796
261 ms 172.236.109.120
96 2026-08-22 10:21 639229902240004454
265 ms 172.232.3.86
95 2026-08-22 10:21 639229902240004454
265 ms 172.236.109.120
94 2026-08-22 10:21 639229902240004454
265 ms 172.238.190.126
93 2026-08-22 09:28 639229870800501662
48 ms 172.232.3.86
92 2026-08-22 09:28 639229870800501662
48 ms 172.236.109.120
91 2026-08-22 09:28 639229870800501662
48 ms 172.238.190.126
90 2026-08-22 09:12 639229861058384956
436 ms 172.232.3.86
89 2026-08-22 09:12 639229861058384956
436 ms 172.238.190.126
88 2026-08-22 09:12 639229861058384956
436 ms 172.236.109.120
87 2026-08-22 08:56 639229851158592604
253 ms 172.236.109.120
86 2026-08-22 08:56 639229851158592604
253 ms 172.232.3.86
85 2026-08-22 08:56 639229851158592604
253 ms 172.238.190.126
84 2026-08-22 08:39 639229841475569629
261 ms 172.236.109.120
83 2026-08-22 08:39 639229841475569629
261 ms 172.232.3.86
82 2026-08-22 08:39 639229841475569629
261 ms 172.238.190.126
81 2026-08-22 08:23 639229831887658471
385 ms 172.236.109.120
80 2026-08-22 08:23 639229831887658471
385 ms 172.238.190.126
79 2026-08-22 08:23 639229831887658471
385 ms 172.232.3.86
78 2026-08-22 08:07 639229822043670346
343 ms 172.232.3.86
77 2026-08-22 08:07 639229822043670346
343 ms 172.238.190.126
76 2026-08-22 08:07 639229822043670346
343 ms 172.236.109.120
75 2026-08-22 07:51 639229812327913936
2142 ms 172.236.109.120
74 2026-08-22 07:51 639229812327913936
2142 ms 172.238.190.126
73 2026-08-22 07:51 639229812327913936
2142 ms 172.232.3.86
72 2026-08-22 07:35 639229802629488686
2190 ms 172.236.109.120
71 2026-08-22 07:35 639229802629488686
2190 ms 172.232.3.86
70 2026-08-22 07:35 639229802629488686
2190 ms 172.238.190.126
69 2026-08-22 07:19 639229793051447309
30 ms 172.238.190.126
68 2026-08-22 07:19 639229793051447309
30 ms 172.236.109.120
67 2026-08-22 07:19 639229793051447309
30 ms 172.232.3.86
66 2026-08-22 07:02 639229783303531961
47 ms 172.232.3.86
65 2026-08-22 07:02 639229783303531961
47 ms 172.236.109.120
64 2026-08-22 07:02 639229783303531961
47 ms 172.238.190.126
63 2026-08-22 06:46 639229773458051942
302 ms 172.232.3.86
62 2026-08-22 06:46 639229773458051942
302 ms 172.236.109.120
61 2026-08-22 06:46 639229773458051942
302 ms 172.238.190.126
60 2026-08-22 06:29 639229763373848056
157 ms 172.238.190.126
59 2026-08-22 06:29 639229763373848056
157 ms 172.232.3.86
58 2026-08-22 06:29 639229763373848056
157 ms 172.236.109.120
57 2026-08-22 05:37 639229732140622809
429 ms 172.238.190.126
56 2026-08-22 05:37 639229732140622809
429 ms 172.236.109.120
55 2026-08-22 05:37 639229732140622809
429 ms 172.232.3.86
54 2026-08-22 05:21 639229722699695967
146 ms 172.236.109.120
53 2026-08-22 05:21 639229722699695967
146 ms 172.232.3.86
52 2026-08-22 05:21 639229722699695967
146 ms 172.238.190.126
51 2026-08-22 05:05 639229713097498075
27 ms 172.238.190.126
50 2026-08-22 05:05 639229713097498075
27 ms 172.232.3.86
49 2026-08-22 05:05 639229713097498075
27 ms 172.236.109.120
48 2026-08-22 04:49 639229703543969637
217 ms 172.236.109.120
47 2026-08-22 04:49 639229703543969637
217 ms 172.232.3.86
46 2026-08-22 04:49 639229703543969637
217 ms 172.238.190.126
45 2026-08-22 04:33 639229693970392873
226 ms 172.232.3.86
44 2026-08-22 04:33 639229693970392873
226 ms 172.238.190.126
43 2026-08-22 04:33 639229693970392873
226 ms 172.236.109.120
42 2026-08-22 04:17 639229684277329469
2024 ms 172.232.3.86
41 2026-08-22 04:17 639229684277329469
2024 ms 172.236.109.120
40 2026-08-22 04:17 639229684277329469
2024 ms 172.238.190.126
39 2026-08-22 04:01 639229674501596661
247 ms 172.232.3.86
38 2026-08-22 04:01 639229674501596661
247 ms 172.236.109.120
37 2026-08-22 04:01 639229674501596661
247 ms 172.238.190.126
36 2026-08-22 03:45 639229665064441147
285 ms 172.238.190.126
35 2026-08-22 03:45 639229665064441147
285 ms 172.232.3.86
34 2026-08-22 03:45 639229665064441147
285 ms 172.236.109.120
33 2026-08-22 03:29 639229655507536872
229 ms 172.236.109.120
32 2026-08-22 03:29 639229655507536872
229 ms 172.238.190.126
31 2026-08-22 03:29 639229655507536872
229 ms 172.232.3.86
30 2026-08-22 03:13 639229645849603111
365 ms 172.236.109.120
29 2026-08-22 03:13 639229645849603111
365 ms 172.232.3.86
28 2026-08-22 03:13 639229645849603111
365 ms 172.238.190.126
27 2026-08-22 02:57 639229636090497453
153 ms 172.232.3.86
26 2026-08-22 02:57 639229636090497453
153 ms 172.238.190.126
25 2026-08-22 02:57 639229636090497453
153 ms 172.236.109.120
24 2026-08-22 02:40 639229625978544281
124 ms 172.236.109.120
23 2026-08-22 02:40 639229625978544281
124 ms 172.232.3.86
22 2026-08-22 02:40 639229625978544281
124 ms 172.238.190.126
21 2026-08-22 01:48 639229594644662176
2043 ms 172.232.3.86
20 2026-08-22 01:48 639229594644662176
2043 ms 172.236.109.120
19 2026-08-22 01:48 639229594644662176
2043 ms 172.238.190.126
18 2026-08-22 01:32 639229585214633065
229 ms 172.232.3.86
17 2026-08-22 01:32 639229585214633065
229 ms 172.236.109.120
16 2026-08-22 01:32 639229585214633065
229 ms 172.238.190.126
15 2026-08-22 01:16 639229575581042175
221 ms 172.236.109.120
14 2026-08-22 01:16 639229575581042175
221 ms 172.232.3.86
13 2026-08-22 01:16 639229575581042175
221 ms 172.238.190.126
12 2026-08-22 01:00 639229565912268962
123 ms 172.232.3.86
11 2026-08-22 01:00 639229565912268962
123 ms 172.238.190.126
10 2026-08-22 01:00 639229565912268962
123 ms 172.236.109.120
9 2026-08-22 00:44 639229556237813203
234 ms 172.236.109.120
8 2026-08-22 00:44 639229556237813203
234 ms 172.238.190.126
7 2026-08-22 00:44 639229556237813203
234 ms 172.232.3.86
6 2026-08-22 00:28 639229546625802518
275 ms 172.232.3.86
5 2026-08-22 00:28 639229546625802518
275 ms 172.238.190.126
4 2026-08-22 00:28 639229546625802518
275 ms 172.236.109.120
3 2026-08-22 00:12 639229537172016621
27 ms 172.232.3.86
2 2026-08-22 00:12 639229537172016621
27 ms 172.236.109.120
1 2026-08-22 00:12 639229537172016621
27 ms 172.238.190.126