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 2026-08-17. For this date, NameServerHistory found 216 DNS check records, 216 successful responses, 0 failed responses, and 472 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

216

Historical checks stored for this nameserver on selected date

Average Latency

472 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:57

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

216

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 2026-08-17 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
216 2026-08-17 23:57 639226072268080268
144 ms 172.236.109.120
215 2026-08-17 23:57 639226072268080268
144 ms 172.232.3.86
214 2026-08-17 23:57 639226072268080268
144 ms 172.238.190.126
213 2026-08-17 23:41 639226062577647657
131 ms 172.238.190.126
212 2026-08-17 23:41 639226062577647657
131 ms 172.232.3.86
211 2026-08-17 23:41 639226062577647657
131 ms 172.236.109.120
210 2026-08-17 22:48 639226031060857136
224 ms 172.236.109.120
209 2026-08-17 22:48 639226031060857136
224 ms 172.232.3.86
208 2026-08-17 22:48 639226031060857136
224 ms 172.238.190.126
207 2026-08-17 22:32 639226021535117364
389 ms 172.232.3.86
206 2026-08-17 22:32 639226021535117364
389 ms 172.238.190.126
205 2026-08-17 22:32 639226021535117364
389 ms 172.236.109.120
204 2026-08-17 22:16 639226011884237078
28 ms 172.238.190.126
203 2026-08-17 22:16 639226011884237078
28 ms 172.236.109.120
202 2026-08-17 22:16 639226011884237078
28 ms 172.232.3.86
201 2026-08-17 22:00 639226002309299142
241 ms 172.232.3.86
200 2026-08-17 22:00 639226002309299142
241 ms 172.238.190.126
199 2026-08-17 22:00 639226002309299142
241 ms 172.236.109.120
198 2026-08-17 21:44 639225992791784448
130 ms 172.236.109.120
197 2026-08-17 21:44 639225992791784448
130 ms 172.232.3.86
196 2026-08-17 21:44 639225992791784448
130 ms 172.238.190.126
195 2026-08-17 21:28 639225983045271390
235 ms 172.238.190.126
194 2026-08-17 21:28 639225983045271390
235 ms 172.232.3.86
193 2026-08-17 21:28 639225983045271390
235 ms 172.236.109.120
192 2026-08-17 21:12 639225973246293513
29 ms 172.232.3.86
191 2026-08-17 21:12 639225973246293513
29 ms 172.236.109.120
190 2026-08-17 21:12 639225973246293513
29 ms 172.238.190.126
189 2026-08-17 20:56 639225963620186236
340 ms 172.238.190.126
188 2026-08-17 20:56 639225963620186236
340 ms 172.232.3.86
187 2026-08-17 20:56 639225963620186236
340 ms 172.236.109.120
186 2026-08-17 20:40 639225953899183916
322 ms 172.232.3.86
185 2026-08-17 20:40 639225953899183916
322 ms 172.236.109.120
184 2026-08-17 20:40 639225953899183916
322 ms 172.238.190.126
183 2026-08-17 20:24 639225944391528206
2013 ms 172.238.190.126
182 2026-08-17 20:24 639225944391528206
2013 ms 172.232.3.86
181 2026-08-17 20:24 639225944391528206
2013 ms 172.236.109.120
180 2026-08-17 20:07 639225934593254169
393 ms 172.232.3.86
179 2026-08-17 20:07 639225934593254169
393 ms 172.236.109.120
178 2026-08-17 20:07 639225934593254169
393 ms 172.238.190.126
177 2026-08-17 19:51 639225924669984512
301 ms 172.232.3.86
176 2026-08-17 19:51 639225924669984512
301 ms 172.236.109.120
175 2026-08-17 19:51 639225924669984512
301 ms 172.238.190.126
174 2026-08-17 18:58 639225893048561320
258 ms 172.238.190.126
173 2026-08-17 18:58 639225893048561320
258 ms 172.236.109.120
172 2026-08-17 18:58 639225893048561320
258 ms 172.232.3.86
171 2026-08-17 18:42 639225883481298424
275 ms 172.236.109.120
170 2026-08-17 18:42 639225883481298424
275 ms 172.232.3.86
169 2026-08-17 18:42 639225883481298424
275 ms 172.238.190.126
168 2026-08-17 18:26 639225873845394034
261 ms 172.236.109.120
167 2026-08-17 18:26 639225873845394034
261 ms 172.232.3.86
166 2026-08-17 18:26 639225873845394034
261 ms 172.238.190.126
165 2026-08-17 18:10 639225864216078662
240 ms 172.238.190.126
164 2026-08-17 18:10 639225864216078662
240 ms 172.232.3.86
163 2026-08-17 18:10 639225864216078662
240 ms 172.236.109.120
162 2026-08-17 17:54 639225854541857773
2172 ms 172.238.190.126
161 2026-08-17 17:54 639225854541857773
2172 ms 172.236.109.120
160 2026-08-17 17:54 639225854541857773
2172 ms 172.232.3.86
159 2026-08-17 17:38 639225844733604072
392 ms 172.232.3.86
158 2026-08-17 17:38 639225844733604072
392 ms 172.238.190.126
157 2026-08-17 17:38 639225844733604072
392 ms 172.236.109.120
156 2026-08-17 17:22 639225835085229232
236 ms 172.236.109.120
155 2026-08-17 17:22 639225835085229232
236 ms 172.232.3.86
154 2026-08-17 17:22 639225835085229232
236 ms 172.238.190.126
153 2026-08-17 17:05 639225825349373981
250 ms 172.232.3.86
152 2026-08-17 17:05 639225825349373981
250 ms 172.238.190.126
151 2026-08-17 17:05 639225825349373981
250 ms 172.236.109.120
150 2026-08-17 16:49 639225815690604161
147 ms 172.238.190.126
149 2026-08-17 16:49 639225815690604161
147 ms 172.232.3.86
148 2026-08-17 16:49 639225815690604161
147 ms 172.236.109.120
147 2026-08-17 16:33 639225805952472306
180 ms 172.232.3.86
146 2026-08-17 16:33 639225805952472306
180 ms 172.238.190.126
145 2026-08-17 16:33 639225805952472306
180 ms 172.236.109.120
144 2026-08-17 16:17 639225796264729638
238 ms 172.238.190.126
143 2026-08-17 16:17 639225796264729638
238 ms 172.232.3.86
142 2026-08-17 16:17 639225796264729638
238 ms 172.236.109.120
141 2026-08-17 16:00 639225786326499329
316 ms 172.232.3.86
140 2026-08-17 16:00 639225786326499329
316 ms 172.236.109.120
139 2026-08-17 16:00 639225786326499329
316 ms 172.238.190.126
138 2026-08-17 15:08 639225754798130711
320 ms 172.236.109.120
137 2026-08-17 15:08 639225754798130711
320 ms 172.238.190.126
136 2026-08-17 15:08 639225754798130711
320 ms 172.232.3.86
135 2026-08-17 14:52 639225745123193922
237 ms 172.238.190.126
134 2026-08-17 14:52 639225745123193922
237 ms 172.236.109.120
133 2026-08-17 14:52 639225745123193922
237 ms 172.232.3.86
132 2026-08-17 14:36 639225735540597271
167 ms 172.232.3.86
131 2026-08-17 14:36 639225735540597271
167 ms 172.236.109.120
130 2026-08-17 14:36 639225735540597271
167 ms 172.238.190.126
129 2026-08-17 14:19 639225725894857396
294 ms 172.236.109.120
128 2026-08-17 14:19 639225725894857396
294 ms 172.232.3.86
127 2026-08-17 14:19 639225725894857396
294 ms 172.238.190.126
126 2026-08-17 14:03 639225716249606913
237 ms 172.236.109.120
125 2026-08-17 14:03 639225716249606913
237 ms 172.232.3.86
124 2026-08-17 14:03 639225716249606913
237 ms 172.238.190.126
123 2026-08-17 13:47 639225706638238179
231 ms 172.232.3.86
122 2026-08-17 13:47 639225706638238179
231 ms 172.238.190.126
121 2026-08-17 13:47 639225706638238179
231 ms 172.236.109.120
120 2026-08-17 13:31 639225696949691423
312 ms 172.238.190.126
119 2026-08-17 13:31 639225696949691423
312 ms 172.236.109.120
118 2026-08-17 13:31 639225696949691423
312 ms 172.232.3.86
117 2026-08-17 13:15 639225687286186336
321 ms 172.232.3.86
116 2026-08-17 13:15 639225687286186336
321 ms 172.238.190.126
115 2026-08-17 13:15 639225687286186336
321 ms 172.236.109.120
114 2026-08-17 12:59 639225677679573133
2177 ms 172.232.3.86
113 2026-08-17 12:59 639225677679573133
2177 ms 172.238.190.126
112 2026-08-17 12:59 639225677679573133
2177 ms 172.236.109.120
111 2026-08-17 12:43 639225667957861024
230 ms 172.232.3.86
110 2026-08-17 12:43 639225667957861024
230 ms 172.238.190.126
109 2026-08-17 12:43 639225667957861024
230 ms 172.236.109.120
108 2026-08-17 12:27 639225658298791618
374 ms 172.238.190.126
107 2026-08-17 12:27 639225658298791618
374 ms 172.236.109.120
106 2026-08-17 12:27 639225658298791618
374 ms 172.232.3.86
105 2026-08-17 12:11 639225648583652785
145 ms 172.238.190.126
104 2026-08-17 12:11 639225648583652785
145 ms 172.232.3.86
103 2026-08-17 12:11 639225648583652785
145 ms 172.236.109.120
102 2026-08-17 11:18 639225617000524308
237 ms 172.232.3.86
101 2026-08-17 11:18 639225617000524308
237 ms 172.236.109.120
100 2026-08-17 11:18 639225617000524308
237 ms 172.238.190.126
99 2026-08-17 11:02 639225607668541600
258 ms 172.232.3.86
98 2026-08-17 11:02 639225607668541600
258 ms 172.236.109.120
97 2026-08-17 11:02 639225607668541600
258 ms 172.238.190.126
96 2026-08-17 10:46 639225598117279238
288 ms 172.232.3.86
95 2026-08-17 10:46 639225598117279238
288 ms 172.236.109.120
94 2026-08-17 10:46 639225598117279238
288 ms 172.238.190.126
93 2026-08-17 10:31 639225588751002710
2232 ms 172.236.109.120
92 2026-08-17 10:31 639225588751002710
2232 ms 172.232.3.86
91 2026-08-17 10:31 639225588751002710
2232 ms 172.238.190.126
90 2026-08-17 10:15 639225579295831051
174 ms 172.232.3.86
89 2026-08-17 10:15 639225579295831051
174 ms 172.236.109.120
88 2026-08-17 10:15 639225579295831051
174 ms 172.238.190.126
87 2026-08-17 09:59 639225569761469940
292 ms 172.236.109.120
86 2026-08-17 09:59 639225569761469940
292 ms 172.232.3.86
85 2026-08-17 09:59 639225569761469940
292 ms 172.238.190.126
84 2026-08-17 09:43 639225560161422333
120 ms 172.236.109.120
83 2026-08-17 09:43 639225560161422333
120 ms 172.232.3.86
82 2026-08-17 09:43 639225560161422333
120 ms 172.238.190.126
81 2026-08-17 09:27 639225550739955565
126 ms 172.232.3.86
80 2026-08-17 09:27 639225550739955565
126 ms 172.236.109.120
79 2026-08-17 09:27 639225550739955565
126 ms 172.238.190.126
78 2026-08-17 09:12 639225541125222426
373 ms 172.232.3.86
77 2026-08-17 09:12 639225541125222426
373 ms 172.236.109.120
76 2026-08-17 09:12 639225541125222426
373 ms 172.238.190.126
75 2026-08-17 08:55 639225531526675983
243 ms 172.232.3.86
74 2026-08-17 08:55 639225531526675983
243 ms 172.236.109.120
73 2026-08-17 08:55 639225531526675983
243 ms 172.238.190.126
72 2026-08-17 08:39 639225521915528222
276 ms 172.236.109.120
71 2026-08-17 08:39 639225521915528222
276 ms 172.232.3.86
70 2026-08-17 08:39 639225521915528222
276 ms 172.238.190.126
69 2026-08-17 08:23 639225512148151789
2131 ms 172.232.3.86
68 2026-08-17 08:23 639225512148151789
2131 ms 172.238.190.126
67 2026-08-17 08:23 639225512148151789
2131 ms 172.236.109.120
66 2026-08-17 07:31 639225480786142412
221 ms 172.236.109.120
65 2026-08-17 07:31 639225480786142412
221 ms 172.232.3.86
64 2026-08-17 07:31 639225480786142412
221 ms 172.238.190.126
63 2026-08-17 07:15 639225471394348551
231 ms 172.232.3.86
62 2026-08-17 07:15 639225471394348551
231 ms 172.236.109.120
61 2026-08-17 07:15 639225471394348551
231 ms 172.238.190.126
60 2026-08-17 06:59 639225462031685068
139 ms 172.232.3.86
59 2026-08-17 06:59 639225462031685068
139 ms 172.236.109.120
58 2026-08-17 06:59 639225462031685068
139 ms 172.238.190.126
57 2026-08-17 06:44 639225452639458328
135 ms 172.238.190.126
56 2026-08-17 06:44 639225452639458328
135 ms 172.236.109.120
55 2026-08-17 06:44 639225452639458328
135 ms 172.232.3.86
54 2026-08-17 06:28 639225443300966543
148 ms 172.232.3.86
53 2026-08-17 06:28 639225443300966543
148 ms 172.236.109.120
52 2026-08-17 06:28 639225443300966543
148 ms 172.238.190.126
51 2026-08-17 06:13 639225433880499379
214 ms 172.236.109.120
50 2026-08-17 06:13 639225433880499379
214 ms 172.232.3.86
49 2026-08-17 06:13 639225433880499379
214 ms 172.238.190.126
48 2026-08-17 05:57 639225424395198277
32 ms 172.232.3.86
47 2026-08-17 05:57 639225424395198277
32 ms 172.236.109.120
46 2026-08-17 05:57 639225424395198277
32 ms 172.238.190.126
45 2026-08-17 05:41 639225414744137487
2136 ms 172.238.190.126
44 2026-08-17 05:41 639225414744137487
2136 ms 172.232.3.86
43 2026-08-17 05:41 639225414744137487
2136 ms 172.236.109.120
42 2026-08-17 05:25 639225405186783164
284 ms 172.236.109.120
41 2026-08-17 05:25 639225405186783164
284 ms 172.238.190.126
40 2026-08-17 05:25 639225405186783164
284 ms 172.232.3.86
39 2026-08-17 05:09 639225395563669822
243 ms 172.236.109.120
38 2026-08-17 05:09 639225395563669822
243 ms 172.238.190.126
37 2026-08-17 05:09 639225395563669822
243 ms 172.232.3.86
36 2026-08-17 04:53 639225386076645158
2394 ms 172.236.109.120
35 2026-08-17 04:53 639225386076645158
2394 ms 172.232.3.86
34 2026-08-17 04:53 639225386076645158
2394 ms 172.238.190.126
33 2026-08-17 04:37 639225376620669704
321 ms 172.236.109.120
32 2026-08-17 04:37 639225376620669704
321 ms 172.238.190.126
31 2026-08-17 04:37 639225376620669704
321 ms 172.232.3.86
30 2026-08-17 03:45 639225345580892706
229 ms 172.232.3.86
29 2026-08-17 03:45 639225345580892706
229 ms 172.238.190.126
28 2026-08-17 03:45 639225345580892706
229 ms 172.236.109.120
27 2026-08-17 03:30 639225336207383710
116 ms 172.232.3.86
26 2026-08-17 03:30 639225336207383710
116 ms 172.238.190.126
25 2026-08-17 03:30 639225336207383710
116 ms 172.236.109.120
24 2026-08-17 03:14 639225326726565001
2130 ms 172.232.3.86
23 2026-08-17 03:14 639225326726565001
2130 ms 172.238.190.126
22 2026-08-17 03:14 639225326726565001
2130 ms 172.236.109.120
21 2026-08-17 02:58 639225317249271010
34 ms 172.232.3.86
20 2026-08-17 02:58 639225317249271010
34 ms 172.236.109.120
19 2026-08-17 02:58 639225317249271010
34 ms 172.238.190.126
18 2026-08-17 02:07 639225286280886044
227 ms 172.232.3.86
17 2026-08-17 02:07 639225286280886044
227 ms 172.238.190.126
16 2026-08-17 02:07 639225286280886044
227 ms 172.236.109.120
15 2026-08-17 01:51 639225276872567548
148 ms 172.232.3.86
14 2026-08-17 01:51 639225276872567548
148 ms 172.236.109.120
13 2026-08-17 01:51 639225276872567548
148 ms 172.238.190.126
12 2026-08-17 01:35 639225267353865348
292 ms 172.236.109.120
11 2026-08-17 01:35 639225267353865348
292 ms 172.238.190.126
10 2026-08-17 01:35 639225267353865348
292 ms 172.232.3.86
9 2026-08-17 01:19 639225258033914248
230 ms 172.232.3.86
8 2026-08-17 01:19 639225258033914248
230 ms 172.236.109.120
7 2026-08-17 01:19 639225258033914248
230 ms 172.238.190.126
6 2026-08-17 00:27 639225226652221583
252 ms 172.236.109.120
5 2026-08-17 00:27 639225226652221583
252 ms 172.238.190.126
4 2026-08-17 00:27 639225226652221583
252 ms 172.232.3.86
3 2026-08-17 00:12 639225217156387684
2132 ms 172.232.3.86
2 2026-08-17 00:12 639225217156387684
2132 ms 172.236.109.120
1 2026-08-17 00:12 639225217156387684
2132 ms 172.238.190.126