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 2026-08-26. For this date, NameServerHistory found 280 DNS check records, 280 successful responses, 0 failed responses, and 292 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

280

Historical checks stored for this nameserver on selected date

Average Latency

292 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.252

Most recently resolved hosting IP on selected date

Successful Responses

280

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 2026-08-26 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
280 2026-08-26 23:52 639233846871926285
197 ms 162.251.82.252
279 2026-08-26 23:52 639233846871926285
197 ms 162.251.82.253
278 2026-08-26 23:52 639233846871926285
197 ms 162.251.82.125
277 2026-08-26 23:52 639233846871926285
197 ms 162.251.82.124
276 2026-08-26 22:58 639233814527872887
192 ms 162.251.82.124
275 2026-08-26 22:58 639233814527872887
192 ms 162.251.82.252
274 2026-08-26 22:58 639233814527872887
192 ms 162.251.82.253
273 2026-08-26 22:58 639233814527872887
192 ms 162.251.82.125
272 2026-08-26 22:41 639233804315489381
4 ms 162.251.82.253
271 2026-08-26 22:41 639233804315489381
4 ms 162.251.82.124
270 2026-08-26 22:41 639233804315489381
4 ms 162.251.82.252
269 2026-08-26 22:41 639233804315489381
4 ms 162.251.82.125
268 2026-08-26 22:24 639233793971346256
188 ms 162.251.82.253
267 2026-08-26 22:24 639233793971346256
188 ms 162.251.82.252
266 2026-08-26 22:24 639233793971346256
188 ms 162.251.82.124
265 2026-08-26 22:24 639233793971346256
188 ms 162.251.82.125
264 2026-08-26 22:06 639233783644630463
193 ms 162.251.82.124
263 2026-08-26 22:06 639233783644630463
193 ms 162.251.82.252
262 2026-08-26 22:06 639233783644630463
193 ms 162.251.82.125
261 2026-08-26 22:06 639233783644630463
193 ms 162.251.82.253
260 2026-08-26 21:49 639233773302621314
192 ms 162.251.82.253
259 2026-08-26 21:49 639233773302621314
192 ms 162.251.82.124
258 2026-08-26 21:49 639233773302621314
192 ms 162.251.82.125
257 2026-08-26 21:49 639233773302621314
192 ms 162.251.82.252
256 2026-08-26 21:32 639233762896723748
140 ms 162.251.82.252
255 2026-08-26 21:32 639233762896723748
140 ms 162.251.82.124
254 2026-08-26 21:32 639233762896723748
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253 2026-08-26 21:32 639233762896723748
140 ms 162.251.82.125
252 2026-08-26 21:14 639233752543876329
164 ms 162.251.82.125
251 2026-08-26 21:14 639233752543876329
164 ms 162.251.82.253
250 2026-08-26 21:14 639233752543876329
164 ms 162.251.82.124
249 2026-08-26 21:14 639233752543876329
164 ms 162.251.82.252
248 2026-08-26 20:57 639233742155931788
193 ms 162.251.82.253
247 2026-08-26 20:57 639233742155931788
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246 2026-08-26 20:57 639233742155931788
193 ms 162.251.82.124
245 2026-08-26 20:57 639233742155931788
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244 2026-08-26 20:40 639233731712555311
206 ms 162.251.82.252
243 2026-08-26 20:40 639233731712555311
206 ms 162.251.82.125
242 2026-08-26 20:40 639233731712555311
206 ms 162.251.82.253
241 2026-08-26 20:40 639233731712555311
206 ms 162.251.82.124
240 2026-08-26 20:22 639233721164051126
102 ms 162.251.82.124
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102 ms 162.251.82.253
238 2026-08-26 20:22 639233721164051126
102 ms 162.251.82.252
237 2026-08-26 20:22 639233721164051126
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236 2026-08-26 20:05 639233710560486320
204 ms 162.251.82.125
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204 ms 162.251.82.253
234 2026-08-26 20:05 639233710560486320
204 ms 162.251.82.252
233 2026-08-26 20:05 639233710560486320
204 ms 162.251.82.124
232 2026-08-26 19:47 639233699834667450
196 ms 162.251.82.125
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196 ms 162.251.82.253
230 2026-08-26 19:47 639233699834667450
196 ms 162.251.82.124
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228 2026-08-26 18:52 639233667209186136
182 ms 162.251.82.125
227 2026-08-26 18:52 639233667209186136
182 ms 162.251.82.124
226 2026-08-26 18:52 639233667209186136
182 ms 162.251.82.253
225 2026-08-26 18:52 639233667209186136
182 ms 162.251.82.252
224 2026-08-26 18:35 639233656814316266
201 ms 162.251.82.124
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201 ms 162.251.82.125
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201 ms 162.251.82.252
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201 ms 162.251.82.253
220 2026-08-26 18:17 639233646245051806
110 ms 162.251.82.252
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110 ms 162.251.82.124
218 2026-08-26 18:17 639233646245051806
110 ms 162.251.82.125
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110 ms 162.251.82.253
216 2026-08-26 18:00 639233635663779051
186 ms 162.251.82.125
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186 ms 162.251.82.253
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186 ms 162.251.82.252
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186 ms 162.251.82.124
212 2026-08-26 17:42 639233624977342122
206 ms 162.251.82.252
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206 ms 162.251.82.253
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206 ms 162.251.82.124
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206 ms 162.251.82.125
208 2026-08-26 17:24 639233614446136153
190 ms 162.251.82.253
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190 ms 162.251.82.252
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190 ms 162.251.82.125
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190 ms 162.251.82.124
204 2026-08-26 17:06 639233603737877581
208 ms 162.251.82.124
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208 ms 162.251.82.253
202 2026-08-26 17:06 639233603737877581
208 ms 162.251.82.125
201 2026-08-26 17:06 639233603737877581
208 ms 162.251.82.252
200 2026-08-26 16:49 639233593269224651
182 ms 162.251.82.124
199 2026-08-26 16:49 639233593269224651
182 ms 162.251.82.252
198 2026-08-26 16:49 639233593269224651
182 ms 162.251.82.253
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182 ms 162.251.82.125
196 2026-08-26 16:31 639233582635086903
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
193 2026-08-26 16:31 639233582635086903
192 ms 162.251.82.125
192 2026-08-26 16:14 639233572000374575
204 ms 162.251.82.253
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204 ms 162.251.82.124
190 2026-08-26 16:14 639233572000374575
204 ms 162.251.82.125
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204 ms 162.251.82.252
188 2026-08-26 15:56 639233561188633861
167 ms 162.251.82.252
187 2026-08-26 15:56 639233561188633861
167 ms 162.251.82.253
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167 ms 162.251.82.124
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167 ms 162.251.82.125
184 2026-08-26 15:38 639233550544357027
7 ms 162.251.82.125
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7 ms 162.251.82.252
182 2026-08-26 15:38 639233550544357027
7 ms 162.251.82.124
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7 ms 162.251.82.253
180 2026-08-26 14:44 639233517966053117
185 ms 162.251.82.125
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176 2026-08-26 14:26 639233507603253585
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178 ms 162.251.82.252
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178 ms 162.251.82.124
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178 ms 162.251.82.253
172 2026-08-26 14:09 639233497229039167
196 ms 162.251.82.253
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196 ms 162.251.82.125
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196 ms 162.251.82.124
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168 2026-08-26 13:52 639233486864546406
198 ms 162.251.82.124
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198 ms 162.251.82.252
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198 ms 162.251.82.125
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198 ms 162.251.82.253
164 2026-08-26 13:34 639233476455174682
178 ms 162.251.82.252
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178 ms 162.251.82.253
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178 ms 162.251.82.125
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160 2026-08-26 13:17 639233466171592605
203 ms 162.251.82.253
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156 2026-08-26 13:00 639233455747096265
191 ms 162.251.82.252
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152 2026-08-26 12:43 639233445367152284
230 ms 162.251.82.124
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148 2026-08-26 12:25 639233434974187439
34 ms 162.251.82.124
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144 2026-08-26 12:08 639233424567558554
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140 2026-08-26 11:50 639233414056832719
138 ms 162.251.82.253
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136 2026-08-26 11:33 639233403515141099
191 ms 162.251.82.124
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132 2026-08-26 10:38 639233370841350248
207 ms 162.251.82.252
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128 2026-08-26 10:21 639233360361507238
1720 ms 162.251.82.253
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124 2026-08-26 10:04 639233350067824371
164 ms 162.251.82.252
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120 2026-08-26 09:46 639233339545274518
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116 2026-08-26 09:29 639233329214918079
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112 2026-08-26 09:12 639233318749762337
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36 2026-08-26 02:30 639233078065410564
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35 2026-08-26 02:30 639233078065410564
115 ms 162.251.82.124
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115 ms 162.251.82.125
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115 ms 162.251.82.252
32 2026-08-26 02:13 639233067787457832
211 ms 162.251.82.125
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211 ms 162.251.82.252
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211 ms 162.251.82.124
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211 ms 162.251.82.253
28 2026-08-26 01:56 639233057501801162
180 ms 162.251.82.253
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180 ms 162.251.82.124
26 2026-08-26 01:56 639233057501801162
180 ms 162.251.82.252
25 2026-08-26 01:56 639233057501801162
180 ms 162.251.82.125
24 2026-08-26 01:39 639233047089431703
2135 ms 162.251.82.124
23 2026-08-26 01:39 639233047089431703
2135 ms 162.251.82.252
22 2026-08-26 01:39 639233047089431703
2135 ms 162.251.82.253
21 2026-08-26 01:39 639233047089431703
2135 ms 162.251.82.125
20 2026-08-26 01:22 639233036754790688
1490 ms 162.251.82.124
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1490 ms 162.251.82.125
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1490 ms 162.251.82.253
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1490 ms 162.251.82.252
16 2026-08-26 01:04 639233026412602472
195 ms 162.251.82.253
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195 ms 162.251.82.252
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195 ms 162.251.82.124
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195 ms 162.251.82.125
12 2026-08-26 00:47 639233016064066127
193 ms 162.251.82.125
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193 ms 162.251.82.124
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193 ms 162.251.82.252
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193 ms 162.251.82.253
8 2026-08-26 00:30 639233005922655772
2125 ms 162.251.82.124
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2125 ms 162.251.82.125
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2125 ms 162.251.82.252
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2125 ms 162.251.82.253
4 2026-08-26 00:13 639232995672256907
186 ms 162.251.82.125
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186 ms 162.251.82.253
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186 ms 162.251.82.252
1 2026-08-26 00:13 639232995672256907
186 ms 162.251.82.124