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 2026-08-19. For this date, NameServerHistory found 222 DNS check records, 222 successful responses, 0 failed responses, and 645 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

645 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.238.190.126

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 2026-08-19 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 2026-08-19 23:50 639227795899225951
153 ms 172.238.190.126
221 2026-08-19 23:50 639227795899225951
153 ms 172.232.3.86
220 2026-08-19 23:50 639227795899225951
153 ms 172.236.109.120
219 2026-08-19 23:34 639227786351762008
335 ms 172.238.190.126
218 2026-08-19 23:34 639227786351762008
335 ms 172.236.109.120
217 2026-08-19 23:34 639227786351762008
335 ms 172.232.3.86
216 2026-08-19 23:18 639227776640591733
156 ms 172.232.3.86
215 2026-08-19 23:18 639227776640591733
156 ms 172.238.190.126
214 2026-08-19 23:18 639227776640591733
156 ms 172.236.109.120
213 2026-08-19 23:02 639227767128841282
121 ms 172.238.190.126
212 2026-08-19 23:02 639227767128841282
121 ms 172.236.109.120
211 2026-08-19 23:02 639227767128841282
121 ms 172.232.3.86
210 2026-08-19 22:46 639227757477304711
306 ms 172.238.190.126
209 2026-08-19 22:46 639227757477304711
306 ms 172.232.3.86
208 2026-08-19 22:46 639227757477304711
306 ms 172.236.109.120
207 2026-08-19 22:29 639227747572098014
220 ms 172.232.3.86
206 2026-08-19 22:29 639227747572098014
220 ms 172.238.190.126
205 2026-08-19 22:29 639227747572098014
220 ms 172.236.109.120
204 2026-08-19 22:13 639227737588613113
31 ms 172.238.190.126
203 2026-08-19 22:13 639227737588613113
31 ms 172.232.3.86
202 2026-08-19 22:13 639227737588613113
31 ms 172.236.109.120
201 2026-08-19 21:20 639227706134603955
33 ms 172.238.190.126
200 2026-08-19 21:20 639227706134603955
33 ms 172.232.3.86
199 2026-08-19 21:20 639227706134603955
33 ms 172.236.109.120
198 2026-08-19 21:04 639227696589027396
31 ms 172.232.3.86
197 2026-08-19 21:04 639227696589027396
31 ms 172.236.109.120
196 2026-08-19 21:04 639227696589027396
31 ms 172.238.190.126
195 2026-08-19 20:48 639227687097707639
148 ms 172.232.3.86
194 2026-08-19 20:48 639227687097707639
148 ms 172.238.190.126
193 2026-08-19 20:48 639227687097707639
148 ms 172.236.109.120
192 2026-08-19 20:32 639227677474464487
2152 ms 172.236.109.120
191 2026-08-19 20:32 639227677474464487
2152 ms 172.238.190.126
190 2026-08-19 20:32 639227677474464487
2152 ms 172.232.3.86
189 2026-08-19 20:16 639227667767441118
239 ms 172.236.109.120
188 2026-08-19 20:16 639227667767441118
239 ms 172.238.190.126
187 2026-08-19 20:16 639227667767441118
239 ms 172.232.3.86
186 2026-08-19 20:00 639227657984833832
275 ms 172.232.3.86
185 2026-08-19 20:00 639227657984833832
275 ms 172.236.109.120
184 2026-08-19 20:00 639227657984833832
275 ms 172.238.190.126
183 2026-08-19 19:44 639227648079992640
228 ms 172.236.109.120
182 2026-08-19 19:44 639227648079992640
228 ms 172.232.3.86
181 2026-08-19 19:44 639227648079992640
228 ms 172.238.190.126
180 2026-08-19 19:27 639227638125048441
279 ms 172.238.190.126
179 2026-08-19 19:27 639227638125048441
279 ms 172.236.109.120
178 2026-08-19 19:27 639227638125048441
279 ms 172.232.3.86
177 2026-08-19 19:10 639227628211392142
232 ms 172.236.109.120
176 2026-08-19 19:10 639227628211392142
232 ms 172.238.190.126
175 2026-08-19 19:10 639227628211392142
232 ms 172.232.3.86
174 2026-08-19 18:54 639227618261696275
319 ms 172.236.109.120
173 2026-08-19 18:54 639227618261696275
319 ms 172.232.3.86
172 2026-08-19 18:54 639227618261696275
319 ms 172.238.190.126
171 2026-08-19 18:37 639227608366233645
362 ms 172.238.190.126
170 2026-08-19 18:37 639227608366233645
362 ms 172.236.109.120
169 2026-08-19 18:37 639227608366233645
362 ms 172.232.3.86
168 2026-08-19 18:21 639227598301787588
2024 ms 172.232.3.86
167 2026-08-19 18:21 639227598301787588
2024 ms 172.236.109.120
166 2026-08-19 18:21 639227598301787588
2024 ms 172.238.190.126
165 2026-08-19 17:27 639227566241010716
4027 ms 172.232.3.86
164 2026-08-19 17:27 639227566241010716
4027 ms 172.236.109.120
163 2026-08-19 17:27 639227566241010716
4027 ms 172.238.190.126
162 2026-08-19 17:11 639227556454538959
274 ms 172.232.3.86
161 2026-08-19 17:11 639227556454538959
274 ms 172.236.109.120
160 2026-08-19 17:11 639227556454538959
274 ms 172.238.190.126
159 2026-08-19 16:54 639227546640305542
298 ms 172.236.109.120
158 2026-08-19 16:54 639227546640305542
298 ms 172.238.190.126
157 2026-08-19 16:54 639227546640305542
298 ms 172.232.3.86
156 2026-08-19 16:38 639227536965466472
2187 ms 172.238.190.126
155 2026-08-19 16:38 639227536965466472
2187 ms 172.236.109.120
154 2026-08-19 16:38 639227536965466472
2187 ms 172.232.3.86
153 2026-08-19 16:22 639227527048658280
328 ms 172.232.3.86
152 2026-08-19 16:22 639227527048658280
328 ms 172.236.109.120
151 2026-08-19 16:22 639227527048658280
328 ms 172.238.190.126
150 2026-08-19 16:05 639227517386634438
136 ms 172.238.190.126
149 2026-08-19 16:05 639227517386634438
136 ms 172.232.3.86
148 2026-08-19 16:05 639227517386634438
136 ms 172.236.109.120
147 2026-08-19 15:49 639227507459551637
2174 ms 172.238.190.126
146 2026-08-19 15:49 639227507459551637
2174 ms 172.236.109.120
145 2026-08-19 15:49 639227507459551637
2174 ms 172.232.3.86
144 2026-08-19 15:33 639227497515595277
231 ms 172.232.3.86
143 2026-08-19 15:33 639227497515595277
231 ms 172.238.190.126
142 2026-08-19 15:33 639227497515595277
231 ms 172.236.109.120
141 2026-08-19 15:16 639227487441798036
2285 ms 172.232.3.86
140 2026-08-19 15:16 639227487441798036
2285 ms 172.238.190.126
139 2026-08-19 15:16 639227487441798036
2285 ms 172.236.109.120
138 2026-08-19 14:59 639227477445551863
133 ms 172.238.190.126
137 2026-08-19 14:59 639227477445551863
133 ms 172.232.3.86
136 2026-08-19 14:59 639227477445551863
133 ms 172.236.109.120
135 2026-08-19 14:42 639227467297067891
369 ms 172.232.3.86
134 2026-08-19 14:42 639227467297067891
369 ms 172.238.190.126
133 2026-08-19 14:42 639227467297067891
369 ms 172.236.109.120
132 2026-08-19 14:25 639227457057795635
296 ms 172.238.190.126
131 2026-08-19 14:25 639227457057795635
296 ms 172.236.109.120
130 2026-08-19 14:25 639227457057795635
296 ms 172.232.3.86
129 2026-08-19 13:32 639227425244777397
224 ms 172.232.3.86
128 2026-08-19 13:32 639227425244777397
224 ms 172.238.190.126
127 2026-08-19 13:32 639227425244777397
224 ms 172.236.109.120
126 2026-08-19 13:16 639227415422116485
239 ms 172.232.3.86
125 2026-08-19 13:16 639227415422116485
239 ms 172.236.109.120
124 2026-08-19 13:16 639227415422116485
239 ms 172.238.190.126
123 2026-08-19 12:59 639227405307256053
167 ms 172.236.109.120
122 2026-08-19 12:59 639227405307256053
167 ms 172.238.190.126
121 2026-08-19 12:59 639227405307256053
167 ms 172.232.3.86
120 2026-08-19 12:42 639227395396602630
297 ms 172.232.3.86
119 2026-08-19 12:42 639227395396602630
297 ms 172.238.190.126
118 2026-08-19 12:42 639227395396602630
297 ms 172.236.109.120
117 2026-08-19 12:26 639227385510363611
330 ms 172.238.190.126
116 2026-08-19 12:26 639227385510363611
330 ms 172.232.3.86
115 2026-08-19 12:26 639227385510363611
330 ms 172.236.109.120
114 2026-08-19 12:09 639227375508324850
2258 ms 172.238.190.126
113 2026-08-19 12:09 639227375508324850
2258 ms 172.232.3.86
112 2026-08-19 12:09 639227375508324850
2258 ms 172.236.109.120
111 2026-08-19 11:52 639227365326611906
2248 ms 172.238.190.126
110 2026-08-19 11:52 639227365326611906
2248 ms 172.236.109.120
109 2026-08-19 11:52 639227365326611906
2248 ms 172.232.3.86
108 2026-08-19 11:36 639227355360014208
236 ms 172.238.190.126
107 2026-08-19 11:36 639227355360014208
236 ms 172.236.109.120
106 2026-08-19 11:36 639227355360014208
236 ms 172.232.3.86
105 2026-08-19 11:19 639227345036782165
159 ms 172.232.3.86
104 2026-08-19 11:19 639227345036782165
159 ms 172.236.109.120
103 2026-08-19 11:19 639227345036782165
159 ms 172.238.190.126
102 2026-08-19 11:02 639227334992964533
2026 ms 172.238.190.126
101 2026-08-19 11:02 639227334992964533
2026 ms 172.236.109.120
100 2026-08-19 11:02 639227334992964533
2026 ms 172.232.3.86
99 2026-08-19 10:45 639227324986605572
305 ms 172.236.109.120
98 2026-08-19 10:45 639227324986605572
305 ms 172.232.3.86
97 2026-08-19 10:45 639227324986605572
305 ms 172.238.190.126
96 2026-08-19 10:28 639227314928414539
247 ms 172.236.109.120
95 2026-08-19 10:28 639227314928414539
247 ms 172.232.3.86
94 2026-08-19 10:28 639227314928414539
247 ms 172.238.190.126
93 2026-08-19 09:35 639227283029182134
108 ms 172.232.3.86
92 2026-08-19 09:35 639227283029182134
108 ms 172.238.190.126
91 2026-08-19 09:35 639227283029182134
108 ms 172.236.109.120
90 2026-08-19 09:19 639227273294779350
2026 ms 172.232.3.86
89 2026-08-19 09:19 639227273294779350
2026 ms 172.236.109.120
88 2026-08-19 09:19 639227273294779350
2026 ms 172.238.190.126
87 2026-08-19 09:02 639227263525231313
308 ms 172.238.190.126
86 2026-08-19 09:02 639227263525231313
308 ms 172.236.109.120
85 2026-08-19 09:02 639227263525231313
308 ms 172.232.3.86
84 2026-08-19 08:46 639227253578313363
239 ms 172.232.3.86
83 2026-08-19 08:46 639227253578313363
239 ms 172.238.190.126
82 2026-08-19 08:46 639227253578313363
239 ms 172.236.109.120
81 2026-08-19 08:29 639227243649973322
245 ms 172.236.109.120
80 2026-08-19 08:29 639227243649973322
245 ms 172.232.3.86
79 2026-08-19 08:29 639227243649973322
245 ms 172.238.190.126
78 2026-08-19 08:13 639227233581059317
244 ms 172.238.190.126
77 2026-08-19 08:13 639227233581059317
244 ms 172.236.109.120
76 2026-08-19 08:13 639227233581059317
244 ms 172.232.3.86
75 2026-08-19 07:56 639227223667352067
28 ms 172.236.109.120
74 2026-08-19 07:56 639227223667352067
28 ms 172.238.190.126
73 2026-08-19 07:56 639227223667352067
28 ms 172.232.3.86
72 2026-08-19 07:40 639227213714837066
262 ms 172.238.190.126
71 2026-08-19 07:40 639227213714837066
262 ms 172.232.3.86
70 2026-08-19 07:40 639227213714837066
262 ms 172.236.109.120
69 2026-08-19 07:23 639227203701208496
273 ms 172.232.3.86
68 2026-08-19 07:23 639227203701208496
273 ms 172.236.109.120
67 2026-08-19 07:23 639227203701208496
273 ms 172.238.190.126
66 2026-08-19 07:06 639227193643202179
274 ms 172.232.3.86
65 2026-08-19 07:06 639227193643202179
274 ms 172.238.190.126
64 2026-08-19 07:06 639227193643202179
274 ms 172.236.109.120
63 2026-08-19 06:49 639227183584431597
237 ms 172.238.190.126
62 2026-08-19 06:49 639227183584431597
237 ms 172.232.3.86
61 2026-08-19 06:49 639227183584431597
237 ms 172.236.109.120
60 2026-08-19 06:32 639227173347403088
302 ms 172.232.3.86
59 2026-08-19 06:32 639227173347403088
302 ms 172.238.190.126
58 2026-08-19 06:32 639227173347403088
302 ms 172.236.109.120
57 2026-08-19 05:39 639227141523007601
315 ms 172.232.3.86
56 2026-08-19 05:39 639227141523007601
315 ms 172.238.190.126
55 2026-08-19 05:39 639227141523007601
315 ms 172.236.109.120
54 2026-08-19 05:23 639227131785931574
2161 ms 172.236.109.120
53 2026-08-19 05:23 639227131785931574
2161 ms 172.232.3.86
52 2026-08-19 05:23 639227131785931574
2161 ms 172.238.190.126
51 2026-08-19 05:07 639227122176475389
224 ms 172.232.3.86
50 2026-08-19 05:07 639227122176475389
224 ms 172.236.109.120
49 2026-08-19 05:07 639227122176475389
224 ms 172.238.190.126
48 2026-08-19 04:51 639227112668934596
229 ms 172.236.109.120
47 2026-08-19 04:51 639227112668934596
229 ms 172.238.190.126
46 2026-08-19 04:51 639227112668934596
229 ms 172.232.3.86
45 2026-08-19 04:35 639227102773292788
316 ms 172.236.109.120
44 2026-08-19 04:35 639227102773292788
316 ms 172.232.3.86
43 2026-08-19 04:35 639227102773292788
316 ms 172.238.190.126
42 2026-08-19 04:18 639227093141136930
237 ms 172.236.109.120
41 2026-08-19 04:18 639227093141136930
237 ms 172.232.3.86
40 2026-08-19 04:18 639227093141136930
237 ms 172.238.190.126
39 2026-08-19 04:02 639227083449420147
2028 ms 172.232.3.86
38 2026-08-19 04:02 639227083449420147
2028 ms 172.236.109.120
37 2026-08-19 04:02 639227083449420147
2028 ms 172.238.190.126
36 2026-08-19 03:46 639227073771748493
2199 ms 172.236.109.120
35 2026-08-19 03:46 639227073771748493
2199 ms 172.232.3.86
34 2026-08-19 03:46 639227073771748493
2199 ms 172.238.190.126
33 2026-08-19 03:30 639227063977347614
226 ms 172.232.3.86
32 2026-08-19 03:30 639227063977347614
226 ms 172.238.190.126
31 2026-08-19 03:30 639227063977347614
226 ms 172.236.109.120
30 2026-08-19 03:14 639227054253519024
370 ms 172.238.190.126
29 2026-08-19 03:14 639227054253519024
370 ms 172.232.3.86
28 2026-08-19 03:14 639227054253519024
370 ms 172.236.109.120
27 2026-08-19 02:57 639227044381963886
219 ms 172.232.3.86
26 2026-08-19 02:57 639227044381963886
219 ms 172.236.109.120
25 2026-08-19 02:57 639227044381963886
219 ms 172.238.190.126
24 2026-08-19 02:41 639227034441085514
135 ms 172.238.190.126
23 2026-08-19 02:41 639227034441085514
135 ms 172.236.109.120
22 2026-08-19 02:41 639227034441085514
135 ms 172.232.3.86
21 2026-08-19 01:48 639227003126489968
229 ms 172.232.3.86
20 2026-08-19 01:48 639227003126489968
229 ms 172.236.109.120
19 2026-08-19 01:48 639227003126489968
229 ms 172.238.190.126
18 2026-08-19 01:32 639226993456311614
228 ms 172.236.109.120
17 2026-08-19 01:32 639226993456311614
228 ms 172.232.3.86
16 2026-08-19 01:32 639226993456311614
228 ms 172.238.190.126
15 2026-08-19 01:16 639226983847312345
232 ms 172.236.109.120
14 2026-08-19 01:16 639226983847312345
232 ms 172.238.190.126
13 2026-08-19 01:16 639226983847312345
232 ms 172.232.3.86
12 2026-08-19 01:00 639226974357874853
322 ms 172.232.3.86
11 2026-08-19 01:00 639226974357874853
322 ms 172.236.109.120
10 2026-08-19 01:00 639226974357874853
322 ms 172.238.190.126
9 2026-08-19 00:44 639226964670484721
2129 ms 172.238.190.126
8 2026-08-19 00:44 639226964670484721
2129 ms 172.232.3.86
7 2026-08-19 00:44 639226964670484721
2129 ms 172.236.109.120
6 2026-08-19 00:28 639226954857899696
161 ms 172.238.190.126
5 2026-08-19 00:28 639226954857899696
161 ms 172.236.109.120
4 2026-08-19 00:28 639226954857899696
161 ms 172.232.3.86
3 2026-08-19 00:12 639226945091603488
2135 ms 172.238.190.126
2 2026-08-19 00:12 639226945091603488
2135 ms 172.236.109.120
1 2026-08-19 00:12 639226945091603488
2135 ms 172.232.3.86