DNS response history for sys4.isabai.com

sys4.isabai.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 288 DNS check records, 288 successful responses, 0 failed responses, and 412 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 sys4.isabai.com.
Records on Selected Date

288

Historical checks stored for this nameserver on selected date

Average Latency

412 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.125

Most recently resolved hosting IP on selected date

Successful Responses

288

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 sys4.isabai.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
288 2026-08-17 23:54 639226072268080268
100 ms 162.251.82.125
287 2026-08-17 23:54 639226072268080268
100 ms 162.251.82.253
286 2026-08-17 23:54 639226072268080268
100 ms 162.251.82.124
285 2026-08-17 23:54 639226072268080268
100 ms 162.251.82.252
284 2026-08-17 23:38 639226062577647657
214 ms 162.251.82.253
283 2026-08-17 23:38 639226062577647657
214 ms 162.251.82.252
282 2026-08-17 23:38 639226062577647657
214 ms 162.251.82.125
281 2026-08-17 23:38 639226062577647657
214 ms 162.251.82.124
280 2026-08-17 22:45 639226031060857136
195 ms 162.251.82.125
279 2026-08-17 22:45 639226031060857136
195 ms 162.251.82.252
278 2026-08-17 22:45 639226031060857136
195 ms 162.251.82.253
277 2026-08-17 22:45 639226031060857136
195 ms 162.251.82.124
276 2026-08-17 22:29 639226021535117364
106 ms 162.251.82.253
275 2026-08-17 22:29 639226021535117364
106 ms 162.251.82.124
274 2026-08-17 22:29 639226021535117364
106 ms 162.251.82.252
273 2026-08-17 22:29 639226021535117364
106 ms 162.251.82.125
272 2026-08-17 22:13 639226011884237078
2806 ms 162.251.82.253
271 2026-08-17 22:13 639226011884237078
2806 ms 162.251.82.125
270 2026-08-17 22:13 639226011884237078
2806 ms 162.251.82.124
269 2026-08-17 22:13 639226011884237078
2806 ms 162.251.82.252
268 2026-08-17 21:57 639226002309299142
21 ms 162.251.82.253
267 2026-08-17 21:57 639226002309299142
21 ms 162.251.82.125
266 2026-08-17 21:57 639226002309299142
21 ms 162.251.82.124
265 2026-08-17 21:57 639226002309299142
21 ms 162.251.82.252
264 2026-08-17 21:41 639225992791784448
270 ms 162.251.82.252
263 2026-08-17 21:41 639225992791784448
270 ms 162.251.82.124
262 2026-08-17 21:41 639225992791784448
270 ms 162.251.82.125
261 2026-08-17 21:41 639225992791784448
270 ms 162.251.82.253
260 2026-08-17 21:25 639225983045271390
160 ms 162.251.82.253
259 2026-08-17 21:25 639225983045271390
160 ms 162.251.82.125
258 2026-08-17 21:25 639225983045271390
160 ms 162.251.82.124
257 2026-08-17 21:25 639225983045271390
160 ms 162.251.82.252
256 2026-08-17 21:09 639225973246293513
3691 ms 162.251.82.253
255 2026-08-17 21:09 639225973246293513
3691 ms 162.251.82.125
254 2026-08-17 21:09 639225973246293513
3691 ms 162.251.82.124
253 2026-08-17 21:09 639225973246293513
3691 ms 162.251.82.252
252 2026-08-17 20:53 639225963620186236
9 ms 162.251.82.252
251 2026-08-17 20:53 639225963620186236
9 ms 162.251.82.124
250 2026-08-17 20:53 639225963620186236
9 ms 162.251.82.253
249 2026-08-17 20:53 639225963620186236
9 ms 162.251.82.125
248 2026-08-17 20:37 639225953899183916
305 ms 162.251.82.124
247 2026-08-17 20:37 639225953899183916
305 ms 162.251.82.125
246 2026-08-17 20:37 639225953899183916
305 ms 162.251.82.252
245 2026-08-17 20:37 639225953899183916
305 ms 162.251.82.253
244 2026-08-17 20:21 639225944391528206
2106 ms 162.251.82.253
243 2026-08-17 20:21 639225944391528206
2106 ms 162.251.82.125
242 2026-08-17 20:21 639225944391528206
2106 ms 162.251.82.124
241 2026-08-17 20:21 639225944391528206
2106 ms 162.251.82.252
240 2026-08-17 20:04 639225934593254169
198 ms 162.251.82.253
239 2026-08-17 20:04 639225934593254169
198 ms 162.251.82.125
238 2026-08-17 20:04 639225934593254169
198 ms 162.251.82.124
237 2026-08-17 20:04 639225934593254169
198 ms 162.251.82.252
236 2026-08-17 19:48 639225924669984512
2108 ms 162.251.82.124
235 2026-08-17 19:48 639225924669984512
2108 ms 162.251.82.125
234 2026-08-17 19:48 639225924669984512
2108 ms 162.251.82.253
233 2026-08-17 19:48 639225924669984512
2108 ms 162.251.82.252
232 2026-08-17 18:55 639225893048561320
191 ms 162.251.82.252
231 2026-08-17 18:55 639225893048561320
191 ms 162.251.82.253
230 2026-08-17 18:55 639225893048561320
191 ms 162.251.82.125
229 2026-08-17 18:55 639225893048561320
191 ms 162.251.82.124
228 2026-08-17 18:39 639225883481298424
177 ms 162.251.82.253
227 2026-08-17 18:39 639225883481298424
177 ms 162.251.82.125
226 2026-08-17 18:39 639225883481298424
177 ms 162.251.82.124
225 2026-08-17 18:39 639225883481298424
177 ms 162.251.82.252
224 2026-08-17 18:23 639225873845394034
2289 ms 162.251.82.124
223 2026-08-17 18:23 639225873845394034
2289 ms 162.251.82.252
222 2026-08-17 18:23 639225873845394034
2289 ms 162.251.82.125
221 2026-08-17 18:23 639225873845394034
2289 ms 162.251.82.253
220 2026-08-17 18:07 639225864216078662
105 ms 162.251.82.252
219 2026-08-17 18:07 639225864216078662
105 ms 162.251.82.124
218 2026-08-17 18:07 639225864216078662
105 ms 162.251.82.125
217 2026-08-17 18:07 639225864216078662
105 ms 162.251.82.253
216 2026-08-17 17:51 639225854541857773
31 ms 162.251.82.125
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31 ms 162.251.82.253
214 2026-08-17 17:51 639225854541857773
31 ms 162.251.82.124
213 2026-08-17 17:51 639225854541857773
31 ms 162.251.82.252
212 2026-08-17 17:35 639225844733604072
102 ms 162.251.82.125
211 2026-08-17 17:35 639225844733604072
102 ms 162.251.82.124
210 2026-08-17 17:35 639225844733604072
102 ms 162.251.82.252
209 2026-08-17 17:35 639225844733604072
102 ms 162.251.82.253
208 2026-08-17 17:18 639225835085229232
2106 ms 162.251.82.125
207 2026-08-17 17:18 639225835085229232
2106 ms 162.251.82.253
206 2026-08-17 17:18 639225835085229232
2106 ms 162.251.82.124
205 2026-08-17 17:18 639225835085229232
2106 ms 162.251.82.252
204 2026-08-17 17:02 639225825349373981
7 ms 162.251.82.125
203 2026-08-17 17:02 639225825349373981
7 ms 162.251.82.252
202 2026-08-17 17:02 639225825349373981
7 ms 162.251.82.124
201 2026-08-17 17:02 639225825349373981
7 ms 162.251.82.253
200 2026-08-17 16:46 639225815690604161
160 ms 162.251.82.125
199 2026-08-17 16:46 639225815690604161
160 ms 162.251.82.124
198 2026-08-17 16:46 639225815690604161
160 ms 162.251.82.253
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160 ms 162.251.82.252
196 2026-08-17 16:30 639225805952472306
191 ms 162.251.82.252
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191 ms 162.251.82.253
194 2026-08-17 16:30 639225805952472306
191 ms 162.251.82.125
193 2026-08-17 16:30 639225805952472306
191 ms 162.251.82.124
192 2026-08-17 16:14 639225796264729638
203 ms 162.251.82.252
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203 ms 162.251.82.125
190 2026-08-17 16:14 639225796264729638
203 ms 162.251.82.124
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203 ms 162.251.82.253
188 2026-08-17 15:57 639225786326499329
194 ms 162.251.82.125
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194 ms 162.251.82.124
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194 ms 162.251.82.252
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194 ms 162.251.82.253
184 2026-08-17 15:05 639225754798130711
28 ms 162.251.82.125
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28 ms 162.251.82.252
182 2026-08-17 15:05 639225754798130711
28 ms 162.251.82.124
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28 ms 162.251.82.253
180 2026-08-17 14:49 639225745123193922
195 ms 162.251.82.125
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195 ms 162.251.82.253
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195 ms 162.251.82.252
177 2026-08-17 14:49 639225745123193922
195 ms 162.251.82.124
176 2026-08-17 14:32 639225735540597271
11 ms 162.251.82.252
175 2026-08-17 14:32 639225735540597271
11 ms 162.251.82.253
174 2026-08-17 14:32 639225735540597271
11 ms 162.251.82.125
173 2026-08-17 14:32 639225735540597271
11 ms 162.251.82.124
172 2026-08-17 14:16 639225725894857396
226 ms 162.251.82.253
171 2026-08-17 14:16 639225725894857396
226 ms 162.251.82.252
170 2026-08-17 14:16 639225725894857396
226 ms 162.251.82.125
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226 ms 162.251.82.124
168 2026-08-17 14:00 639225716249606913
212 ms 162.251.82.253
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212 ms 162.251.82.252
166 2026-08-17 14:00 639225716249606913
212 ms 162.251.82.125
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212 ms 162.251.82.124
164 2026-08-17 13:44 639225706638238179
124 ms 162.251.82.125
163 2026-08-17 13:44 639225706638238179
124 ms 162.251.82.252
162 2026-08-17 13:44 639225706638238179
124 ms 162.251.82.124
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124 ms 162.251.82.253
160 2026-08-17 13:28 639225696949691423
2100 ms 162.251.82.253
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2100 ms 162.251.82.125
158 2026-08-17 13:28 639225696949691423
2100 ms 162.251.82.124
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2100 ms 162.251.82.252
156 2026-08-17 13:12 639225687286186336
242 ms 162.251.82.124
155 2026-08-17 13:12 639225687286186336
242 ms 162.251.82.252
154 2026-08-17 13:12 639225687286186336
242 ms 162.251.82.125
153 2026-08-17 13:12 639225687286186336
242 ms 162.251.82.253
152 2026-08-17 12:56 639225677679573133
199 ms 162.251.82.253
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150 2026-08-17 12:56 639225677679573133
199 ms 162.251.82.124
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148 2026-08-17 12:40 639225667957861024
10 ms 162.251.82.252
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144 2026-08-17 12:24 639225658298791618
124 ms 162.251.82.252
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124 ms 162.251.82.125
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140 2026-08-17 12:08 639225648583652785
160 ms 162.251.82.124
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160 ms 162.251.82.252
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160 ms 162.251.82.253
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160 ms 162.251.82.125
136 2026-08-17 11:15 639225617000524308
177 ms 162.251.82.252
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177 ms 162.251.82.253
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177 ms 162.251.82.125
133 2026-08-17 11:15 639225617000524308
177 ms 162.251.82.124
132 2026-08-17 10:59 639225607668541600
208 ms 162.251.82.125
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128 2026-08-17 10:43 639225598117279238
200 ms 162.251.82.125
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200 ms 162.251.82.253
124 2026-08-17 10:28 639225588751002710
15 ms 162.251.82.252
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15 ms 162.251.82.253
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15 ms 162.251.82.124
120 2026-08-17 10:12 639225579295831051
216 ms 162.251.82.252
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116 2026-08-17 09:56 639225569761469940
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112 2026-08-17 09:40 639225560161422333
107 ms 162.251.82.252
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108 2026-08-17 09:24 639225550739955565
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100 2026-08-17 08:52 639225531526675983
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96 2026-08-17 08:36 639225521915528222
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60 2026-08-17 05:38 639225414744137487
190 ms 162.251.82.124
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190 ms 162.251.82.252
56 2026-08-17 05:22 639225405186783164
111 ms 162.251.82.124
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52 2026-08-17 05:06 639225395563669822
123 ms 162.251.82.253
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48 2026-08-17 04:50 639225386076645158
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44 2026-08-17 04:34 639225376620669704
197 ms 162.251.82.252
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41 2026-08-17 04:34 639225376620669704
197 ms 162.251.82.253
40 2026-08-17 03:42 639225345580892706
122 ms 162.251.82.125
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122 ms 162.251.82.252
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122 ms 162.251.82.253
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122 ms 162.251.82.124
36 2026-08-17 03:27 639225336207383710
105 ms 162.251.82.124
35 2026-08-17 03:27 639225336207383710
105 ms 162.251.82.253
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105 ms 162.251.82.252
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105 ms 162.251.82.125
32 2026-08-17 03:11 639225326726565001
7 ms 162.251.82.124
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7 ms 162.251.82.125
30 2026-08-17 03:11 639225326726565001
7 ms 162.251.82.252
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7 ms 162.251.82.253
28 2026-08-17 02:55 639225317249271010
197 ms 162.251.82.253
27 2026-08-17 02:55 639225317249271010
197 ms 162.251.82.125
26 2026-08-17 02:55 639225317249271010
197 ms 162.251.82.252
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197 ms 162.251.82.124
24 2026-08-17 02:04 639225286280886044
14 ms 162.251.82.253
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14 ms 162.251.82.125
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14 ms 162.251.82.124
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14 ms 162.251.82.252
20 2026-08-17 01:48 639225276872567548
218 ms 162.251.82.124
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218 ms 162.251.82.125
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218 ms 162.251.82.252
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218 ms 162.251.82.253
16 2026-08-17 01:32 639225267353865348
185 ms 162.251.82.253
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185 ms 162.251.82.252
14 2026-08-17 01:32 639225267353865348
185 ms 162.251.82.125
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185 ms 162.251.82.124
12 2026-08-17 01:16 639225258033914248
192 ms 162.251.82.252
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192 ms 162.251.82.253
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192 ms 162.251.82.124
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192 ms 162.251.82.125
8 2026-08-17 00:24 639225226652221583
116 ms 162.251.82.125
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116 ms 162.251.82.252
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116 ms 162.251.82.124
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116 ms 162.251.82.253
4 2026-08-17 00:09 639225217156387684
169 ms 162.251.82.253
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169 ms 162.251.82.252
2 2026-08-17 00:09 639225217156387684
169 ms 162.251.82.124
1 2026-08-17 00:09 639225217156387684
169 ms 162.251.82.125