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 2026-08-17. For this date, NameServerHistory found 285 DNS check records, 284 successful responses, 1 failed responses, and 305 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

285

Historical checks stored for this nameserver on selected date

Average Latency

305 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.249

Most recently resolved hosting IP on selected date

Successful Responses

284

Checks that returned a measurable response

Failed Responses

1

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 sys2.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
285 2026-08-17 23:55 639226072268080268
191 ms 162.251.82.249
284 2026-08-17 23:55 639226072268080268
191 ms 162.251.82.248
283 2026-08-17 23:55 639226072268080268
191 ms 162.251.82.120
282 2026-08-17 23:55 639226072268080268
191 ms 162.251.82.121
281 2026-08-17 23:38 639226062577647657
124 ms 162.251.82.248
280 2026-08-17 23:38 639226062577647657
124 ms 162.251.82.120
279 2026-08-17 23:38 639226062577647657
124 ms 162.251.82.249
278 2026-08-17 23:38 639226062577647657
124 ms 162.251.82.121
277 2026-08-17 22:46 639226031060857136
97 ms 162.251.82.121
276 2026-08-17 22:46 639226031060857136
97 ms 162.251.82.249
275 2026-08-17 22:46 639226031060857136
97 ms 162.251.82.120
274 2026-08-17 22:46 639226031060857136
97 ms 162.251.82.248
273 2026-08-17 22:30 639226021535117364
379 ms 162.251.82.121
272 2026-08-17 22:30 639226021535117364
379 ms 162.251.82.248
271 2026-08-17 22:30 639226021535117364
379 ms 162.251.82.249
270 2026-08-17 22:30 639226021535117364
379 ms 162.251.82.120
269 2026-08-17 22:14 639226011884237078
91 ms 162.251.82.120
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91 ms 162.251.82.248
267 2026-08-17 22:14 639226011884237078
91 ms 162.251.82.249
266 2026-08-17 22:14 639226011884237078
91 ms 162.251.82.121
265 2026-08-17 21:58 639226002309299142
157 ms 162.251.82.248
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157 ms 162.251.82.121
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157 ms 162.251.82.120
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261 2026-08-17 21:42 639225992791784448
194 ms 162.251.82.248
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257 2026-08-17 21:26 639225983045271390
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211 ms 162.251.82.249
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249 2026-08-17 20:54 639225963620186236
96 ms 162.251.82.249
248 2026-08-17 20:54 639225963620186236
96 ms 162.251.82.248
247 2026-08-17 20:54 639225963620186236
96 ms 162.251.82.120
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96 ms 162.251.82.121
245 2026-08-17 20:37 639225953899183916
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
241 2026-08-17 20:21 639225944391528206
193 ms 162.251.82.121
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193 ms 162.251.82.249
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193 ms 162.251.82.120
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193 ms 162.251.82.248
237 2026-08-17 20:05 639225934593254169
7 ms 162.251.82.120
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7 ms 162.251.82.248
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233 2026-08-17 19:49 639225924669984512
108 ms 162.251.82.248
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108 ms 162.251.82.121
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108 ms 162.251.82.120
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108 ms 162.251.82.249
229 2026-08-17 18:56 639225893048561320
175 ms 162.251.82.249
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175 ms 162.251.82.121
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175 ms 162.251.82.120
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175 ms 162.251.82.248
225 2026-08-17 18:40 639225883481298424
194 ms 162.251.82.248
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194 ms 162.251.82.249
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194 ms 162.251.82.121
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194 ms 162.251.82.120
221 2026-08-17 18:24 639225873845394034
2105 ms 162.251.82.120
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2105 ms 162.251.82.249
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2105 ms 162.251.82.121
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2105 ms 162.251.82.248
217 2026-08-17 18:08 639225864216078662
104 ms 162.251.82.121
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104 ms 162.251.82.249
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104 ms 162.251.82.120
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104 ms 162.251.82.248
213 2026-08-17 17:52 639225854541857773
178 ms 162.251.82.120
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178 ms 162.251.82.248
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178 ms 162.251.82.121
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209 2026-08-17 17:36 639225844733604072
186 ms 162.251.82.121
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186 ms 162.251.82.120
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186 ms 162.251.82.248
205 2026-08-17 17:19 639225835085229232
28 ms 162.251.82.121
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28 ms 162.251.82.120
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28 ms 162.251.82.249
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28 ms 162.251.82.248
201 2026-08-17 17:03 639225825349373981
2009 ms 162.251.82.120
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2009 ms 162.251.82.248
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197 2026-08-17 16:47 639225815690604161
146 ms 162.251.82.120
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146 ms 162.251.82.121
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146 ms 162.251.82.248
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146 ms 162.251.82.249
193 2026-08-17 16:31 639225805952472306
184 ms 162.251.82.248
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184 ms 162.251.82.249
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184 ms 162.251.82.121
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184 ms 162.251.82.120
189 2026-08-17 16:15 639225796264729638
189 ms 162.251.82.121
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189 ms 162.251.82.120
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189 ms 162.251.82.249
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185 2026-08-17 15:58 639225786326499329
171 ms 162.251.82.248
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181 2026-08-17 15:06 639225754798130711
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177 2026-08-17 14:49 639225745123193922
144 ms 162.251.82.248
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173 2026-08-17 14:33 639225735540597271
193 ms 162.251.82.249
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193 ms 162.251.82.248
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193 ms 162.251.82.121
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193 ms 162.251.82.120
169 2026-08-17 14:17 639225725894857396
100 ms 162.251.82.248
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100 ms 162.251.82.120
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100 ms 162.251.82.121
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165 2026-08-17 14:01 639225716249606913
111 ms 162.251.82.121
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111 ms 162.251.82.248
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161 2026-08-17 13:45 639225706638238179
216 ms 162.251.82.249
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157 2026-08-17 13:29 639225696949691423
2213 ms 162.251.82.248
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153 2026-08-17 13:13 639225687286186336
125 ms 162.251.82.121
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149 2026-08-17 12:57 639225677679573133
115 ms 162.251.82.120
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145 2026-08-17 12:41 639225667957861024
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141 2026-08-17 12:24 639225658298791618
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133 2026-08-17 11:16 639225617000524308
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125 2026-08-17 10:44 639225598117279238
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121 2026-08-17 10:28 639225588751002710
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90 ms 162.251.82.249
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273 ms 162.251.82.249
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273 ms 162.251.82.121
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273 ms 162.251.82.248
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273 ms 162.251.82.120
33 2026-08-17 03:28 639225336207383710
193 ms 162.251.82.120
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193 ms 162.251.82.121
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193 ms 162.251.82.249
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193 ms 162.251.82.248
29 2026-08-17 03:12 639225326726565001
137 ms 162.251.82.121
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137 ms 162.251.82.249
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137 ms 162.251.82.248
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137 ms 162.251.82.120
25 2026-08-17 02:56 639225317249271010
98 ms 162.251.82.248
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98 ms 162.251.82.249
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98 ms 162.251.82.120
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98 ms 162.251.82.121
21 2026-08-17 02:04 639225286280886044
211 ms 162.251.82.249
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211 ms 162.251.82.248
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211 ms 162.251.82.121
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211 ms 162.251.82.120
17 2026-08-17 01:49 639225276872567548
2025 ms 162.251.82.120
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2025 ms 162.251.82.248
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2025 ms 162.251.82.121
13 2026-08-17 01:33 639225267353865348
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191 ms 162.251.82.248
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191 ms 162.251.82.249
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191 ms 162.251.82.120
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191 ms 162.251.82.121
8 2026-08-17 00:25 639225226652221583
9 ms 162.251.82.121
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9 ms 162.251.82.120
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4 2026-08-17 00:09 639225217156387684
126 ms 162.251.82.120
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126 ms 162.251.82.121
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126 ms 162.251.82.248
1 2026-08-17 00:09 639225217156387684
126 ms 162.251.82.249