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 2026-08-18. For this date, NameServerHistory found 291 DNS check records, 288 successful responses, 3 failed responses, and 431 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

291

Historical checks stored for this nameserver on selected date

Average Latency

431 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.120

Most recently resolved hosting IP on selected date

Successful Responses

288

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 2026-08-18 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
291 2026-08-18 23:53 639226935204800669
2161 ms 162.251.82.120
290 2026-08-18 23:53 639226935204800669
2161 ms 162.251.82.249
289 2026-08-18 23:53 639226935204800669
2161 ms 162.251.82.248
288 2026-08-18 23:53 639226935204800669
2161 ms 162.251.82.121
287 2026-08-18 23:37 639226925298919497
8 ms 162.251.82.120
286 2026-08-18 23:37 639226925298919497
8 ms 162.251.82.249
285 2026-08-18 23:37 639226925298919497
8 ms 162.251.82.248
284 2026-08-18 23:37 639226925298919497
8 ms 162.251.82.121
283 2026-08-18 23:20 639226915487885053
102 ms 162.251.82.248
282 2026-08-18 23:20 639226915487885053
102 ms 162.251.82.120
281 2026-08-18 23:20 639226915487885053
102 ms 162.251.82.121
280 2026-08-18 23:20 639226915487885053
102 ms 162.251.82.249
279 2026-08-18 23:04 639226905465760034
116 ms 162.251.82.249
278 2026-08-18 23:04 639226905465760034
116 ms 162.251.82.121
277 2026-08-18 23:04 639226905465760034
116 ms 162.251.82.120
276 2026-08-18 23:04 639226905465760034
116 ms 162.251.82.248
275 2026-08-18 22:47 639226895378104692
192 ms 162.251.82.120
274 2026-08-18 22:47 639226895378104692
192 ms 162.251.82.121
273 2026-08-18 22:47 639226895378104692
192 ms 162.251.82.249
272 2026-08-18 22:47 639226895378104692
192 ms 162.251.82.248
271 2026-08-18 21:53 639226863374232622
114 ms 162.251.82.120
270 2026-08-18 21:53 639226863374232622
114 ms 162.251.82.249
269 2026-08-18 21:53 639226863374232622
114 ms 162.251.82.121
268 2026-08-18 21:53 639226863374232622
114 ms 162.251.82.248
267 2026-08-18 21:37 639226853698516058
2096 ms 162.251.82.121
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2096 ms 162.251.82.120
264 2026-08-18 21:37 639226853698516058
2096 ms 162.251.82.248
263 2026-08-18 21:21 639226843797360601
147 ms 162.251.82.120
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147 ms 162.251.82.249
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147 ms 162.251.82.248
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147 ms 162.251.82.121
259 2026-08-18 21:04 639226834046588155
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256 2026-08-18 21:04 639226834046588155
165 ms 162.251.82.249
255 2026-08-18 20:48 639226824234488533
205 ms 162.251.82.248
254 2026-08-18 20:48 639226824234488533
205 ms 162.251.82.121
253 2026-08-18 20:48 639226824234488533
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252 2026-08-18 20:48 639226824234488533
205 ms 162.251.82.249
251 2026-08-18 20:32 639226814549928621
104 ms 162.251.82.120
250 2026-08-18 20:32 639226814549928621
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249 2026-08-18 20:32 639226814549928621
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248 2026-08-18 20:32 639226814549928621
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247 2026-08-18 20:15 639226804721432353
189 ms 162.251.82.248
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189 ms 162.251.82.120
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243 2026-08-18 19:59 639226795048828184
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191 ms 162.251.82.121
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239 2026-08-18 19:43 639226785202482420
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100 ms 162.251.82.248
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231 2026-08-18 19:10 639226765406586155
9 ms 162.251.82.249
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9 ms 162.251.82.121
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9 ms 162.251.82.248
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9 ms 162.251.82.120
227 2026-08-18 18:53 639226755437790519
2170 ms 162.251.82.121
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2170 ms 162.251.82.120
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2170 ms 162.251.82.249
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2170 ms 162.251.82.248
223 2026-08-18 18:01 639226723856194457
8 ms 162.251.82.121
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8 ms 162.251.82.120
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8 ms 162.251.82.249
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219 2026-08-18 17:44 639226714050583422
98 ms 162.251.82.249
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98 ms 162.251.82.121
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98 ms 162.251.82.248
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215 2026-08-18 17:28 639226704236499724
8 ms 162.251.82.249
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8 ms 162.251.82.121
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8 ms 162.251.82.248
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8 ms 162.251.82.120
211 2026-08-18 17:11 639226694184520163
192 ms 162.251.82.249
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192 ms 162.251.82.121
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192 ms 162.251.82.248
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192 ms 162.251.82.120
207 2026-08-18 16:55 639226684161203477
109 ms 162.251.82.248
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109 ms 162.251.82.249
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109 ms 162.251.82.121
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109 ms 162.251.82.120
203 2026-08-18 16:38 639226674305430109
2194 ms 162.251.82.248
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2194 ms 162.251.82.249
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2194 ms 162.251.82.120
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2194 ms 162.251.82.121
199 2026-08-18 16:22 639226664489607984
220 ms 162.251.82.121
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220 ms 162.251.82.120
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220 ms 162.251.82.248
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220 ms 162.251.82.249
195 2026-08-18 16:05 639226654533111667
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194 2026-08-18 15:49 639226644778594725
183 ms 162.251.82.121
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183 ms 162.251.82.120
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190 2026-08-18 15:32 639226634901553621
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186 2026-08-18 15:16 639226624921864967
226 ms 162.251.82.121
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226 ms 162.251.82.249
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226 ms 162.251.82.120
182 2026-08-18 14:59 639226614939419403
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181 2026-08-18 14:06 639226583021074771
159 ms 162.251.82.248
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159 ms 162.251.82.249
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159 ms 162.251.82.121
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159 ms 162.251.82.120
177 2026-08-18 13:50 639226573279933585
109 ms 162.251.82.121
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109 ms 162.251.82.120
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109 ms 162.251.82.249
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109 ms 162.251.82.248
173 2026-08-18 13:33 639226563494036301
109 ms 162.251.82.248
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169 2026-08-18 13:17 639226553708216256
103 ms 162.251.82.120
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165 2026-08-18 13:01 639226544003734815
201 ms 162.251.82.121
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161 2026-08-18 12:45 639226534105733155
2100 ms 162.251.82.248
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157 2026-08-18 12:28 639226524298118898
94 ms 162.251.82.248
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149 2026-08-18 11:55 639226504703635320
192 ms 162.251.82.121
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145 2026-08-18 11:39 639226494737271720
120 ms 162.251.82.121
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2007 ms 162.251.82.249
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137 2026-08-18 11:06 639226475133236105
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