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 2026-08-13. For this date, NameServerHistory found 288 DNS check records, 288 successful responses, 0 failed responses, and 306 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

306 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.253

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 2026-08-13 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 2026-08-13 23:57 639222618462620588
194 ms 162.251.82.253
287 2026-08-13 23:57 639222618462620588
194 ms 162.251.82.252
286 2026-08-13 23:57 639222618462620588
194 ms 162.251.82.125
285 2026-08-13 23:57 639222618462620588
194 ms 162.251.82.124
284 2026-08-13 23:41 639222608688333012
2106 ms 162.251.82.253
283 2026-08-13 23:41 639222608688333012
2106 ms 162.251.82.252
282 2026-08-13 23:41 639222608688333012
2106 ms 162.251.82.124
281 2026-08-13 23:41 639222608688333012
2106 ms 162.251.82.125
280 2026-08-13 23:25 639222598741756356
130 ms 162.251.82.125
279 2026-08-13 23:25 639222598741756356
130 ms 162.251.82.253
278 2026-08-13 23:25 639222598741756356
130 ms 162.251.82.252
277 2026-08-13 23:25 639222598741756356
130 ms 162.251.82.124
276 2026-08-13 23:08 639222588615244093
187 ms 162.251.82.125
275 2026-08-13 23:08 639222588615244093
187 ms 162.251.82.252
274 2026-08-13 23:08 639222588615244093
187 ms 162.251.82.253
273 2026-08-13 23:08 639222588615244093
187 ms 162.251.82.124
272 2026-08-13 22:14 639222556495289724
194 ms 162.251.82.124
271 2026-08-13 22:14 639222556495289724
194 ms 162.251.82.252
270 2026-08-13 22:14 639222556495289724
194 ms 162.251.82.125
269 2026-08-13 22:14 639222556495289724
194 ms 162.251.82.253
268 2026-08-13 21:58 639222546477917698
96 ms 162.251.82.252
267 2026-08-13 21:58 639222546477917698
96 ms 162.251.82.124
266 2026-08-13 21:58 639222546477917698
96 ms 162.251.82.253
265 2026-08-13 21:58 639222546477917698
96 ms 162.251.82.125
264 2026-08-13 21:41 639222536257653790
123 ms 162.251.82.125
263 2026-08-13 21:41 639222536257653790
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262 2026-08-13 21:41 639222536257653790
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261 2026-08-13 21:41 639222536257653790
123 ms 162.251.82.253
260 2026-08-13 21:24 639222525833084485
93 ms 162.251.82.124
259 2026-08-13 21:24 639222525833084485
93 ms 162.251.82.125
258 2026-08-13 21:24 639222525833084485
93 ms 162.251.82.253
257 2026-08-13 21:24 639222525833084485
93 ms 162.251.82.252
256 2026-08-13 21:06 639222515446085004
188 ms 162.251.82.124
255 2026-08-13 21:06 639222515446085004
188 ms 162.251.82.253
254 2026-08-13 21:06 639222515446085004
188 ms 162.251.82.252
253 2026-08-13 21:06 639222515446085004
188 ms 162.251.82.125
252 2026-08-13 20:49 639222505166766781
104 ms 162.251.82.125
251 2026-08-13 20:49 639222505166766781
104 ms 162.251.82.252
250 2026-08-13 20:49 639222505166766781
104 ms 162.251.82.124
249 2026-08-13 20:49 639222505166766781
104 ms 162.251.82.253
248 2026-08-13 20:32 639222494930541001
218 ms 162.251.82.124
247 2026-08-13 20:32 639222494930541001
218 ms 162.251.82.252
246 2026-08-13 20:32 639222494930541001
218 ms 162.251.82.125
245 2026-08-13 20:32 639222494930541001
218 ms 162.251.82.253
244 2026-08-13 20:15 639222484469216890
195 ms 162.251.82.125
243 2026-08-13 20:15 639222484469216890
195 ms 162.251.82.124
242 2026-08-13 20:15 639222484469216890
195 ms 162.251.82.252
241 2026-08-13 20:15 639222484469216890
195 ms 162.251.82.253
240 2026-08-13 19:57 639222474270039940
105 ms 162.251.82.252
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105 ms 162.251.82.124
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105 ms 162.251.82.253
236 2026-08-13 19:40 639222464005587385
25 ms 162.251.82.252
235 2026-08-13 19:40 639222464005587385
25 ms 162.251.82.125
234 2026-08-13 19:40 639222464005587385
25 ms 162.251.82.124
233 2026-08-13 19:40 639222464005587385
25 ms 162.251.82.253
232 2026-08-13 19:23 639222453485975041
198 ms 162.251.82.252
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198 ms 162.251.82.124
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198 ms 162.251.82.125
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198 ms 162.251.82.253
228 2026-08-13 19:05 639222442984828770
105 ms 162.251.82.253
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105 ms 162.251.82.125
226 2026-08-13 19:05 639222442984828770
105 ms 162.251.82.124
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105 ms 162.251.82.252
224 2026-08-13 18:11 639222410191353397
212 ms 162.251.82.253
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212 ms 162.251.82.252
222 2026-08-13 18:11 639222410191353397
212 ms 162.251.82.125
221 2026-08-13 18:11 639222410191353397
212 ms 162.251.82.124
220 2026-08-13 17:54 639222399952628376
195 ms 162.251.82.253
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195 ms 162.251.82.125
218 2026-08-13 17:54 639222399952628376
195 ms 162.251.82.252
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195 ms 162.251.82.124
216 2026-08-13 17:37 639222389608608647
191 ms 162.251.82.124
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191 ms 162.251.82.125
214 2026-08-13 17:37 639222389608608647
191 ms 162.251.82.252
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191 ms 162.251.82.253
212 2026-08-13 17:20 639222379604012481
208 ms 162.251.82.125
211 2026-08-13 17:20 639222379604012481
208 ms 162.251.82.124
210 2026-08-13 17:20 639222379604012481
208 ms 162.251.82.252
209 2026-08-13 17:20 639222379604012481
208 ms 162.251.82.253
208 2026-08-13 17:03 639222369372672858
174 ms 162.251.82.252
207 2026-08-13 17:03 639222369372672858
174 ms 162.251.82.125
206 2026-08-13 17:03 639222369372672858
174 ms 162.251.82.124
205 2026-08-13 17:03 639222369372672858
174 ms 162.251.82.253
204 2026-08-13 16:46 639222359096909298
248 ms 162.251.82.252
203 2026-08-13 16:46 639222359096909298
248 ms 162.251.82.253
202 2026-08-13 16:46 639222359096909298
248 ms 162.251.82.124
201 2026-08-13 16:46 639222359096909298
248 ms 162.251.82.125
200 2026-08-13 16:29 639222348814301655
191 ms 162.251.82.124
199 2026-08-13 16:29 639222348814301655
191 ms 162.251.82.252
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191 ms 162.251.82.125
197 2026-08-13 16:29 639222348814301655
191 ms 162.251.82.253
196 2026-08-13 16:12 639222338608331104
203 ms 162.251.82.253
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203 ms 162.251.82.252
194 2026-08-13 16:12 639222338608331104
203 ms 162.251.82.125
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203 ms 162.251.82.124
192 2026-08-13 15:55 639222328204609760
197 ms 162.251.82.253
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197 ms 162.251.82.124
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197 ms 162.251.82.252
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197 ms 162.251.82.125
188 2026-08-13 15:37 639222317859759909
192 ms 162.251.82.252
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192 ms 162.251.82.253
184 2026-08-13 15:20 639222307560137918
184 ms 162.251.82.253
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184 ms 162.251.82.124
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180 2026-08-13 15:03 639222297274357149
196 ms 162.251.82.125
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196 ms 162.251.82.253
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196 ms 162.251.82.252
177 2026-08-13 15:03 639222297274357149
196 ms 162.251.82.124
176 2026-08-13 14:09 639222265004477827
165 ms 162.251.82.124
175 2026-08-13 14:09 639222265004477827
165 ms 162.251.82.253
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165 ms 162.251.82.252
173 2026-08-13 14:09 639222265004477827
165 ms 162.251.82.125
172 2026-08-13 13:53 639222255176583683
203 ms 162.251.82.124
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203 ms 162.251.82.125
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203 ms 162.251.82.253
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203 ms 162.251.82.252
168 2026-08-13 13:36 639222245340146131
2180 ms 162.251.82.125
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2180 ms 162.251.82.253
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2180 ms 162.251.82.124
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164 2026-08-13 13:20 639222235662219956
108 ms 162.251.82.252
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108 ms 162.251.82.125
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108 ms 162.251.82.253
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108 ms 162.251.82.124
160 2026-08-13 13:04 639222225817223284
194 ms 162.251.82.124
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194 ms 162.251.82.125
158 2026-08-13 13:04 639222225817223284
194 ms 162.251.82.253
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194 ms 162.251.82.252
156 2026-08-13 12:48 639222216341869648
14 ms 162.251.82.125
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152 2026-08-13 12:32 639222206848442189
4 ms 162.251.82.253
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4 ms 162.251.82.252
148 2026-08-13 12:16 639222197538963225
187 ms 162.251.82.253
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187 ms 162.251.82.252
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187 ms 162.251.82.124
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187 ms 162.251.82.125
144 2026-08-13 12:01 639222188113685569
188 ms 162.251.82.252
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188 ms 162.251.82.253
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188 ms 162.251.82.124
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188 ms 162.251.82.125
140 2026-08-13 11:45 639222178880138458
193 ms 162.251.82.125
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136 2026-08-13 11:30 639222169343013317
210 ms 162.251.82.124
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132 2026-08-13 11:14 639222159910600596
223 ms 162.251.82.252
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128 2026-08-13 10:22 639222128676274866
101 ms 162.251.82.253
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124 2026-08-13 10:06 639222119169781983
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120 2026-08-13 09:51 639222109996148889
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60 2026-08-13 05:28 639221952104046397
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2008 ms 162.251.82.124
42 2026-08-13 04:29 639221916777813401
2008 ms 162.251.82.253
41 2026-08-13 04:29 639221916777813401
2008 ms 162.251.82.125
40 2026-08-13 04:14 639221907816913910
99 ms 162.251.82.252
39 2026-08-13 04:14 639221907816913910
99 ms 162.251.82.124
38 2026-08-13 04:14 639221907816913910
99 ms 162.251.82.125
37 2026-08-13 04:14 639221907816913910
99 ms 162.251.82.253
36 2026-08-13 03:58 639221898639694322
12 ms 162.251.82.252
35 2026-08-13 03:58 639221898639694322
12 ms 162.251.82.124
34 2026-08-13 03:58 639221898639694322
12 ms 162.251.82.253
33 2026-08-13 03:58 639221898639694322
12 ms 162.251.82.125
32 2026-08-13 03:07 639221868257567489
108 ms 162.251.82.252
31 2026-08-13 03:07 639221868257567489
108 ms 162.251.82.125
30 2026-08-13 03:07 639221868257567489
108 ms 162.251.82.253
29 2026-08-13 03:07 639221868257567489
108 ms 162.251.82.124
28 2026-08-13 02:52 639221859270235608
196 ms 162.251.82.124
27 2026-08-13 02:52 639221859270235608
196 ms 162.251.82.252
26 2026-08-13 02:52 639221859270235608
196 ms 162.251.82.125
25 2026-08-13 02:52 639221859270235608
196 ms 162.251.82.253
24 2026-08-13 02:37 639221850184464515
178 ms 162.251.82.125
23 2026-08-13 02:37 639221850184464515
178 ms 162.251.82.252
22 2026-08-13 02:37 639221850184464515
178 ms 162.251.82.253
21 2026-08-13 02:37 639221850184464515
178 ms 162.251.82.124
20 2026-08-13 02:22 639221841141973425
187 ms 162.251.82.124
19 2026-08-13 02:22 639221841141973425
187 ms 162.251.82.252
18 2026-08-13 02:22 639221841141973425
187 ms 162.251.82.125
17 2026-08-13 02:22 639221841141973425
187 ms 162.251.82.253
16 2026-08-13 01:31 639221810548753083
2263 ms 162.251.82.124
15 2026-08-13 01:31 639221810548753083
2263 ms 162.251.82.253
14 2026-08-13 01:31 639221810548753083
2263 ms 162.251.82.252
13 2026-08-13 01:31 639221810548753083
2263 ms 162.251.82.125
12 2026-08-13 01:16 639221801656796262
193 ms 162.251.82.252
11 2026-08-13 01:16 639221801656796262
193 ms 162.251.82.253
10 2026-08-13 01:16 639221801656796262
193 ms 162.251.82.124
9 2026-08-13 01:16 639221801656796262
193 ms 162.251.82.125
8 2026-08-13 01:01 639221792658715334
183 ms 162.251.82.252
7 2026-08-13 01:01 639221792658715334
183 ms 162.251.82.124
6 2026-08-13 01:01 639221792658715334
183 ms 162.251.82.253
5 2026-08-13 01:01 639221792658715334
183 ms 162.251.82.125
4 2026-08-13 00:46 639221783571379176
105 ms 162.251.82.252
3 2026-08-13 00:46 639221783571379176
105 ms 162.251.82.124
2 2026-08-13 00:46 639221783571379176
105 ms 162.251.82.253
1 2026-08-13 00:46 639221783571379176
105 ms 162.251.82.125