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 2026-08-25. For this date, NameServerHistory found 273 DNS check records, 272 successful responses, 1 failed responses, and 207 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

273

Historical checks stored for this nameserver on selected date

Average Latency

207 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:57

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

272

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 2026-08-25 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
273 2026-08-25 23:57 639232985300872416
91 ms 162.251.82.121
272 2026-08-25 23:57 639232985300872416
91 ms 162.251.82.120
271 2026-08-25 23:57 639232985300872416
91 ms 162.251.82.248
270 2026-08-25 23:57 639232985300872416
91 ms 162.251.82.249
269 2026-08-25 23:39 639232974980190573
99 ms 162.251.82.121
268 2026-08-25 23:39 639232974980190573
99 ms 162.251.82.120
267 2026-08-25 23:39 639232974980190573
99 ms 162.251.82.248
266 2026-08-25 23:39 639232974980190573
99 ms 162.251.82.249
265 2026-08-25 23:22 639232964577050707
7 ms 162.251.82.120
264 2026-08-25 23:22 639232964577050707
7 ms 162.251.82.248
263 2026-08-25 23:22 639232964577050707
7 ms 162.251.82.121
262 2026-08-25 23:22 639232964577050707
7 ms 162.251.82.249
261 2026-08-25 22:28 639232932163142799
98 ms 162.251.82.121
260 2026-08-25 22:28 639232932163142799
98 ms 162.251.82.249
259 2026-08-25 22:28 639232932163142799
98 ms 162.251.82.120
258 2026-08-25 22:28 639232932163142799
98 ms 162.251.82.248
257 2026-08-25 22:11 639232921673215474
130 ms 162.251.82.121
256 2026-08-25 22:11 639232921673215474
130 ms 162.251.82.249
255 2026-08-25 22:11 639232921673215474
130 ms 162.251.82.248
254 2026-08-25 22:11 639232921673215474
130 ms 162.251.82.120
253 2026-08-25 21:53 639232911234504639
99 ms 162.251.82.249
252 2026-08-25 21:53 639232911234504639
99 ms 162.251.82.121
251 2026-08-25 21:53 639232911234504639
99 ms 162.251.82.248
250 2026-08-25 21:53 639232911234504639
99 ms 162.251.82.120
249 2026-08-25 21:36 639232900747078453
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248 2026-08-25 21:36 639232900747078453
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247 2026-08-25 21:36 639232900747078453
97 ms 162.251.82.121
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245 2026-08-25 21:18 639232890389222534
11 ms 162.251.82.249
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11 ms 162.251.82.248
241 2026-08-25 21:01 639232880143390843
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119 ms 162.251.82.120
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119 ms 162.251.82.249
237 2026-08-25 20:44 639232869755024069
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
233 2026-08-25 20:27 639232859355940346
33 ms 162.251.82.249
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33 ms 162.251.82.121
231 2026-08-25 20:27 639232859355940346
33 ms 162.251.82.248
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33 ms 162.251.82.120
229 2026-08-25 20:09 639232848992244953
195 ms 162.251.82.121
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195 ms 162.251.82.248
227 2026-08-25 20:09 639232848992244953
195 ms 162.251.82.249
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195 ms 162.251.82.120
225 2026-08-25 19:52 639232838596478500
97 ms 162.251.82.120
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97 ms 162.251.82.248
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97 ms 162.251.82.121
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97 ms 162.251.82.249
221 2026-08-25 19:35 639232828175327683
191 ms 162.251.82.121
220 2026-08-25 19:35 639232828175327683
191 ms 162.251.82.120
219 2026-08-25 19:35 639232828175327683
191 ms 162.251.82.248
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191 ms 162.251.82.249
217 2026-08-25 19:17 639232817798330473
200 ms 162.251.82.249
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200 ms 162.251.82.121
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200 ms 162.251.82.120
213 2026-08-25 18:24 639232785462407552
2223 ms 162.251.82.121
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2223 ms 162.251.82.249
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2223 ms 162.251.82.120
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2223 ms 162.251.82.248
209 2026-08-25 18:06 639232775177487032
2164 ms 162.251.82.249
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2164 ms 162.251.82.120
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2164 ms 162.251.82.248
205 2026-08-25 17:49 639232764991087115
96 ms 162.251.82.248
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96 ms 162.251.82.121
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96 ms 162.251.82.120
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96 ms 162.251.82.249
201 2026-08-25 17:32 639232754842971478
99 ms 162.251.82.249
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99 ms 162.251.82.121
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99 ms 162.251.82.120
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99 ms 162.251.82.248
197 2026-08-25 17:15 639232744455159107
99 ms 162.251.82.249
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99 ms 162.251.82.121
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99 ms 162.251.82.120
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99 ms 162.251.82.248
193 2026-08-25 16:58 639232734145178231
204 ms 162.251.82.249
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204 ms 162.251.82.121
191 2026-08-25 16:58 639232734145178231
204 ms 162.251.82.248
190 2026-08-25 16:58 639232734145178231
204 ms 162.251.82.120
189 2026-08-25 16:41 639232723827874402
239 ms 162.251.82.120
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239 ms 162.251.82.121
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239 ms 162.251.82.249
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239 ms 162.251.82.248
185 2026-08-25 16:24 639232713533011892
166 ms 162.251.82.120
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166 ms 162.251.82.121
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166 ms 162.251.82.249
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166 ms 162.251.82.248
181 2026-08-25 16:06 639232703065318207
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
177 2026-08-25 15:49 639232692629559470
102 ms 162.251.82.121
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102 ms 162.251.82.248
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173 2026-08-25 15:31 639232682238836475
97 ms 162.251.82.121
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169 2026-08-25 15:14 639232671787004306
8 ms 162.251.82.120
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165 2026-08-25 14:20 639232638994329666
110 ms 162.251.82.121
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110 ms 162.251.82.120
161 2026-08-25 14:02 639232628614783237
99 ms 162.251.82.120
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99 ms 162.251.82.248
159 2026-08-25 14:02 639232628614783237
99 ms 162.251.82.121
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99 ms 162.251.82.249
157 2026-08-25 13:45 639232618360728578
11 ms 162.251.82.249
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11 ms 162.251.82.121
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11 ms 162.251.82.120
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11 ms 162.251.82.248
153 2026-08-25 13:28 639232608016476376
199 ms 162.251.82.121
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149 2026-08-25 13:11 639232597643611557
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145 2026-08-25 12:53 639232587225721862
111 ms 162.251.82.248
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141 2026-08-25 12:36 639232576780683689
196 ms 162.251.82.121
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137 2026-08-25 12:18 639232566381512620
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133 2026-08-25 12:01 639232556111768563
8 ms 162.251.82.121
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129 2026-08-25 11:44 639232545839529039
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125 2026-08-25 11:27 639232535349285207
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121 2026-08-25 11:09 639232524938080723
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117 2026-08-25 10:16 639232492740373468
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28 2026-08-25 03:06 639232235157175331
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114 ms 162.251.82.248
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114 ms 162.251.82.120
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114 ms 162.251.82.121
24 2026-08-25 02:13 639232203197189095
11 ms 162.251.82.120
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11 ms 162.251.82.121
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11 ms 162.251.82.249
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11 ms 162.251.82.248
20 2026-08-25 01:56 639232192844564298
100 ms 162.251.82.248
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100 ms 162.251.82.120
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100 ms 162.251.82.249
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100 ms 162.251.82.121
16 2026-08-25 01:39 639232182496008942
92 ms 162.251.82.120
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92 ms 162.251.82.249
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92 ms 162.251.82.248
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92 ms 162.251.82.121
12 2026-08-25 01:21 639232172197053132
3 ms 162.251.82.121
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3 ms 162.251.82.248
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3 ms 162.251.82.249
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3 ms 162.251.82.120
8 2026-08-25 00:28 639232140250307418
183 ms 162.251.82.120
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183 ms 162.251.82.121
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183 ms 162.251.82.249
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183 ms 162.251.82.248
4 2026-08-25 00:11 639232129927860324
144 ms 162.251.82.249
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144 ms 162.251.82.120
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144 ms 162.251.82.121
1 2026-08-25 00:11 639232129927860324
144 ms 162.251.82.248