DNS response history for sys2.isabai.com

sys2.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 2026-08-22. For this date, NameServerHistory found 287 DNS check records, 284 successful responses, 3 failed responses, and 373 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 sys2.isabai.com.
Records on Selected Date

287

Historical checks stored for this nameserver on selected date

Average Latency

373 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.248

Most recently resolved hosting IP on selected date

Successful Responses

284

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for sys2.isabai.com

Showing DNS history for 2026-08-22 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
287 2026-08-22 23:54 639230391807229016
4 ms 162.251.82.248
286 2026-08-22 23:54 639230391807229016
4 ms 162.251.82.120
285 2026-08-22 23:54 639230391807229016
4 ms 162.251.82.249
284 2026-08-22 23:54 639230391807229016
4 ms 162.251.82.121
283 2026-08-22 23:38 639230382051619327
2218 ms 162.251.82.249
282 2026-08-22 23:38 639230382051619327
2218 ms 162.251.82.248
281 2026-08-22 23:38 639230382051619327
2218 ms 162.251.82.120
280 2026-08-22 23:38 639230382051619327
2218 ms 162.251.82.121
279 2026-08-22 23:22 639230372323353529
113 ms 162.251.82.249
278 2026-08-22 23:22 639230372323353529
113 ms 162.251.82.248
277 2026-08-22 23:22 639230372323353529
113 ms 162.251.82.120
276 2026-08-22 23:22 639230372323353529
113 ms 162.251.82.121
275 2026-08-22 23:05 639230362586451064
8 ms 162.251.82.121
274 2026-08-22 23:05 639230362586451064
8 ms 162.251.82.248
273 2026-08-22 23:05 639230362586451064
8 ms 162.251.82.120
272 2026-08-22 23:05 639230362586451064
8 ms 162.251.82.249
271 2026-08-22 22:49 639230352793666303
185 ms 162.251.82.121
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185 ms 162.251.82.248
269 2026-08-22 22:49 639230352793666303
185 ms 162.251.82.120
268 2026-08-22 22:49 639230352793666303
185 ms 162.251.82.249
267 2026-08-22 22:32 639230342775737758
92 ms 162.251.82.121
266 2026-08-22 22:32 639230342775737758
92 ms 162.251.82.249
265 2026-08-22 22:32 639230342775737758
92 ms 162.251.82.248
264 2026-08-22 22:32 639230342775737758
92 ms 162.251.82.120
263 2026-08-22 22:16 639230332639939561
135 ms 162.251.82.249
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135 ms 162.251.82.248
259 2026-08-22 21:23 639230301014190104
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258 2026-08-22 21:06 639230291048161498
7 ms 162.251.82.121
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7 ms 162.251.82.249
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7 ms 162.251.82.120
254 2026-08-22 20:49 639230280894353664
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252 2026-08-22 20:49 639230280894353664
213 ms 162.251.82.249
251 2026-08-22 20:49 639230280894353664
213 ms 162.251.82.248
250 2026-08-22 20:32 639230270699419073
101 ms 162.251.82.121
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101 ms 162.251.82.249
248 2026-08-22 20:32 639230270699419073
101 ms 162.251.82.248
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101 ms 162.251.82.120
246 2026-08-22 20:15 639230260248163050
99 ms 162.251.82.248
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99 ms 162.251.82.120
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99 ms 162.251.82.249
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99 ms 162.251.82.121
242 2026-08-22 19:58 639230250122494282
134 ms 162.251.82.121
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134 ms 162.251.82.248
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238 2026-08-22 19:41 639230239972935046
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234 2026-08-22 19:24 639230229963262464
108 ms 162.251.82.248
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108 ms 162.251.82.120
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108 ms 162.251.82.249
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108 ms 162.251.82.121
230 2026-08-22 19:08 639230220033804658
103 ms 162.251.82.249
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103 ms 162.251.82.248
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103 ms 162.251.82.121
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226 2026-08-22 18:51 639230209891107289
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182 ms 162.251.82.249
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182 ms 162.251.82.248
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182 ms 162.251.82.120
222 2026-08-22 18:34 639230199630298717
93 ms 162.251.82.121
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93 ms 162.251.82.248
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93 ms 162.251.82.249
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93 ms 162.251.82.120
218 2026-08-22 18:17 639230189301984150
189 ms 162.251.82.121
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189 ms 162.251.82.249
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189 ms 162.251.82.248
214 2026-08-22 17:23 639230157138468804
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213 2026-08-22 17:06 639230146987869495
179 ms 162.251.82.121
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179 ms 162.251.82.249
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179 ms 162.251.82.248
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179 ms 162.251.82.120
209 2026-08-22 16:49 639230136768638516
189 ms 162.251.82.121
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189 ms 162.251.82.249
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189 ms 162.251.82.120
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189 ms 162.251.82.248
205 2026-08-22 16:32 639230126735907877
159 ms 162.251.82.249
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159 ms 162.251.82.248
203 2026-08-22 16:32 639230126735907877
159 ms 162.251.82.120
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159 ms 162.251.82.121
201 2026-08-22 16:16 639230116551187768
185 ms 162.251.82.248
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185 ms 162.251.82.120
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185 ms 162.251.82.121
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185 ms 162.251.82.249
197 2026-08-22 15:58 639230106335615913
7 ms 162.251.82.120
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7 ms 162.251.82.248
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7 ms 162.251.82.121
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7 ms 162.251.82.249
193 2026-08-22 15:41 639230096177758176
214 ms 162.251.82.120
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214 ms 162.251.82.121
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214 ms 162.251.82.249
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214 ms 162.251.82.248
189 2026-08-22 15:25 639230086185999993
99 ms 162.251.82.120
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99 ms 162.251.82.121
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99 ms 162.251.82.248
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99 ms 162.251.82.249
185 2026-08-22 15:08 639230076247854903
136 ms 162.251.82.248
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100 ms 162.251.82.248
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177 2026-08-22 14:34 639230055738197328
2008 ms 162.251.82.120
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2008 ms 162.251.82.248
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2008 ms 162.251.82.249
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2008 ms 162.251.82.121
173 2026-08-22 14:17 639230045411225521
2100 ms 162.251.82.249
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2100 ms 162.251.82.121
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2100 ms 162.251.82.120
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2100 ms 162.251.82.248
169 2026-08-22 13:23 639230013046000470
191 ms 162.251.82.120
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191 ms 162.251.82.249
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191 ms 162.251.82.248
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165 2026-08-22 13:06 639230003090037878
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195 ms 162.251.82.248
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161 2026-08-22 12:49 639229993008259475
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157 2026-08-22 12:33 639229982909449470
98 ms 162.251.82.120
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207 ms 162.251.82.120
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145 2026-08-22 11:43 639229952996162143
7 ms 162.251.82.121
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141 2026-08-22 11:26 639229943051949195
110 ms 162.251.82.248
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137 2026-08-22 11:10 639229932919214934
2363 ms 162.251.82.249
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133 2026-08-22 10:52 639229922745889838
2178 ms 162.251.82.121
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129 2026-08-22 10:35 639229912587214796
3 ms 162.251.82.120
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121 2026-08-22 09:26 639229870800501662
276 ms 162.251.82.249
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133 ms 162.251.82.249
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133 ms 162.251.82.248
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137 ms 162.251.82.120
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137 ms 162.251.82.121
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137 ms 162.251.82.249
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404 ms 162.251.82.249
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404 ms 162.251.82.120
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186 ms 162.251.82.120
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186 ms 162.251.82.249
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186 ms 162.251.82.248
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105 ms 162.251.82.248
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105 ms 162.251.82.249
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105 ms 162.251.82.120
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3 ms 162.251.82.248
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190 ms 162.251.82.249
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190 ms 162.251.82.120
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190 ms 162.251.82.121
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190 ms 162.251.82.248
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306 ms 162.251.82.248
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306 ms 162.251.82.121
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306 ms 162.251.82.249
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2003 ms 162.251.82.248
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2003 ms 162.251.82.120
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2003 ms 162.251.82.121
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2003 ms 162.251.82.249