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 2026-08-13. For this date, NameServerHistory found 285 DNS check records, 284 successful responses, 1 failed responses, and 471 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

471 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.121

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 2026-08-13 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
285 2026-08-13 23:59 639222618462620588
2190 ms 162.251.82.121
284 2026-08-13 23:59 639222618462620588
2190 ms 162.251.82.249
283 2026-08-13 23:59 639222618462620588
2190 ms 162.251.82.248
282 2026-08-13 23:59 639222618462620588
2190 ms 162.251.82.120
281 2026-08-13 23:42 639222608688333012
2031 ms 162.251.82.121
280 2026-08-13 23:42 639222608688333012
2031 ms 162.251.82.248
279 2026-08-13 23:42 639222608688333012
2031 ms 162.251.82.120
278 2026-08-13 23:42 639222608688333012
2031 ms 162.251.82.249
277 2026-08-13 23:26 639222598741756356
91 ms 162.251.82.121
276 2026-08-13 23:26 639222598741756356
91 ms 162.251.82.248
275 2026-08-13 23:26 639222598741756356
91 ms 162.251.82.249
274 2026-08-13 23:26 639222598741756356
91 ms 162.251.82.120
273 2026-08-13 23:09 639222588615244093
2206 ms 162.251.82.121
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2206 ms 162.251.82.248
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2206 ms 162.251.82.120
270 2026-08-13 23:09 639222588615244093
2206 ms 162.251.82.249
269 2026-08-13 22:15 639222556495289724
130 ms 162.251.82.120
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130 ms 162.251.82.249
267 2026-08-13 22:15 639222556495289724
130 ms 162.251.82.248
266 2026-08-13 22:15 639222556495289724
130 ms 162.251.82.121
265 2026-08-13 21:59 639222546477917698
190 ms 162.251.82.121
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190 ms 162.251.82.120
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261 2026-08-13 21:42 639222536257653790
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257 2026-08-13 21:25 639222525833084485
92 ms 162.251.82.249
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253 2026-08-13 21:07 639222515446085004
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251 2026-08-13 21:07 639222515446085004
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94 ms 162.251.82.120
249 2026-08-13 20:50 639222505166766781
182 ms 162.251.82.121
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182 ms 162.251.82.120
245 2026-08-13 20:33 639222494930541001
195 ms 162.251.82.248
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195 ms 162.251.82.249
241 2026-08-13 20:16 639222484469216890
98 ms 162.251.82.248
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98 ms 162.251.82.120
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237 2026-08-13 19:58 639222474270039940
191 ms 162.251.82.121
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191 ms 162.251.82.120
233 2026-08-13 19:41 639222464005587385
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101 ms 162.251.82.248
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229 2026-08-13 19:24 639222453485975041
195 ms 162.251.82.248
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225 2026-08-13 19:06 639222442984828770
203 ms 162.251.82.249
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203 ms 162.251.82.121
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203 ms 162.251.82.248
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203 ms 162.251.82.120
221 2026-08-13 18:12 639222410191353397
93 ms 162.251.82.248
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93 ms 162.251.82.121
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93 ms 162.251.82.120
217 2026-08-13 17:55 639222399952628376
258 ms 162.251.82.120
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213 2026-08-13 17:38 639222389608608647
153 ms 162.251.82.249
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153 ms 162.251.82.248
209 2026-08-13 17:21 639222379604012481
102 ms 162.251.82.248
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102 ms 162.251.82.120
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102 ms 162.251.82.121
205 2026-08-13 17:04 639222369372672858
2197 ms 162.251.82.121
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2197 ms 162.251.82.248
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2197 ms 162.251.82.249
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2197 ms 162.251.82.120
201 2026-08-13 16:47 639222359096909298
112 ms 162.251.82.121
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112 ms 162.251.82.248
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112 ms 162.251.82.120
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112 ms 162.251.82.249
197 2026-08-13 16:30 639222348814301655
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
193 2026-08-13 16:12 639222338608331104
117 ms 162.251.82.249
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117 ms 162.251.82.120
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117 ms 162.251.82.248
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189 2026-08-13 15:55 639222328204609760
98 ms 162.251.82.120
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98 ms 162.251.82.248
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11 ms 162.251.82.120
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181 2026-08-13 15:21 639222307560137918
173 ms 162.251.82.120
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177 2026-08-13 15:03 639222297274357149
194 ms 162.251.82.121
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173 2026-08-13 14:10 639222265004477827
182 ms 162.251.82.121
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182 ms 162.251.82.248
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182 ms 162.251.82.120
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182 ms 162.251.82.249
169 2026-08-13 13:54 639222255176583683
196 ms 162.251.82.248
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196 ms 162.251.82.120
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194 ms 162.251.82.120
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157 2026-08-13 13:05 639222225817223284
7 ms 162.251.82.249
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153 2026-08-13 12:49 639222216341869648
94 ms 162.251.82.248
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149 2026-08-13 12:33 639222206848442189
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145 2026-08-13 12:17 639222197538963225
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93 ms 162.251.82.248
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125 2026-08-13 10:22 639222128676274866
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121 2026-08-13 10:07 639222119169781983
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40 2026-08-13 04:29 639221916777813401
186 ms 162.251.82.249
39 2026-08-13 04:29 639221916777813401
186 ms 162.251.82.120
38 2026-08-13 04:29 639221916777813401
186 ms 162.251.82.121
37 2026-08-13 04:14 639221907816913910
210 ms 162.251.82.120
36 2026-08-13 04:14 639221907816913910
210 ms 162.251.82.248
35 2026-08-13 04:14 639221907816913910
210 ms 162.251.82.121
34 2026-08-13 04:14 639221907816913910
210 ms 162.251.82.249
33 2026-08-13 03:58 639221898639694322
3 ms 162.251.82.249
32 2026-08-13 03:58 639221898639694322
3 ms 162.251.82.248
31 2026-08-13 03:58 639221898639694322
3 ms 162.251.82.120
30 2026-08-13 03:58 639221898639694322
3 ms 162.251.82.121
29 2026-08-13 03:07 639221868257567489
138 ms 162.251.82.249
28 2026-08-13 03:07 639221868257567489
138 ms 162.251.82.248
27 2026-08-13 03:07 639221868257567489
138 ms 162.251.82.121
26 2026-08-13 03:07 639221868257567489
138 ms 162.251.82.120
25 2026-08-13 02:52 639221859270235608
156 ms 162.251.82.121
24 2026-08-13 02:52 639221859270235608
156 ms 162.251.82.120
23 2026-08-13 02:52 639221859270235608
156 ms 162.251.82.249
22 2026-08-13 02:52 639221859270235608
156 ms 162.251.82.248
21 2026-08-13 02:37 639221850184464515
1680 ms 162.251.82.249
20 2026-08-13 02:37 639221850184464515
1680 ms 162.251.82.248
19 2026-08-13 02:37 639221850184464515
1680 ms 162.251.82.120
18 2026-08-13 02:37 639221850184464515
1680 ms 162.251.82.121
17 2026-08-13 02:22 639221841141973425
217 ms 162.251.82.249
16 2026-08-13 02:22 639221841141973425
217 ms 162.251.82.120
15 2026-08-13 02:22 639221841141973425
217 ms 162.251.82.248
14 2026-08-13 02:22 639221841141973425
217 ms 162.251.82.121
13 2026-08-13 01:31 639221810548753083
2026 ms 162.251.82.120
12 2026-08-13 01:31 639221810548753083
2026 ms 162.251.82.248
11 2026-08-13 01:31 639221810548753083
2026 ms 162.251.82.121
10 2026-08-13 01:31 639221810548753083
2026 ms 162.251.82.249
9 2026-08-13 01:16 639221801656796262
119 ms 162.251.82.120
8 2026-08-13 01:16 639221801656796262
119 ms 162.251.82.249
7 2026-08-13 01:16 639221801656796262
119 ms 162.251.82.121
6 2026-08-13 01:16 639221801656796262
119 ms 162.251.82.248
5 2026-08-13 01:01 639221792658715334
185 ms 162.251.82.121
4 2026-08-13 01:01 639221792658715334
185 ms 162.251.82.249
3 2026-08-13 01:01 639221792658715334
185 ms 162.251.82.248
2 2026-08-13 01:01 639221792658715334
185 ms 162.251.82.120
1 2026-08-13 00:46 639221783571379176
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