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 2026-08-21. For this date, NameServerHistory found 286 DNS check records, 284 successful responses, 2 failed responses, and 324 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

286

Historical checks stored for this nameserver on selected date

Average Latency

324 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:54

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

284

Checks that returned a measurable response

Failed Responses

2

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 2026-08-21 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
286 2026-08-21 23:54 639229527598660841
4 ms 162.251.82.120
285 2026-08-21 23:54 639229527598660841
4 ms 162.251.82.248
284 2026-08-21 23:54 639229527598660841
4 ms 162.251.82.249
283 2026-08-21 23:54 639229527598660841
4 ms 162.251.82.121
282 2026-08-21 23:38 639229517954323214
99 ms 162.251.82.121
281 2026-08-21 23:38 639229517954323214
99 ms 162.251.82.120
280 2026-08-21 23:38 639229517954323214
99 ms 162.251.82.248
279 2026-08-21 23:38 639229517954323214
99 ms 162.251.82.249
278 2026-08-21 23:22 639229508269999021
3 ms 162.251.82.249
277 2026-08-21 23:22 639229508269999021
3 ms 162.251.82.248
276 2026-08-21 23:22 639229508269999021
3 ms 162.251.82.120
275 2026-08-21 23:22 639229508269999021
3 ms 162.251.82.121
274 2026-08-21 23:05 639229498559060171
190 ms 162.251.82.249
273 2026-08-21 23:05 639229498559060171
190 ms 162.251.82.121
272 2026-08-21 23:05 639229498559060171
190 ms 162.251.82.120
271 2026-08-21 23:05 639229498559060171
190 ms 162.251.82.248
270 2026-08-21 22:49 639229488519347586
2 ms 162.251.82.249
269 2026-08-21 22:49 639229488519347586
2 ms 162.251.82.248
268 2026-08-21 22:49 639229488519347586
2 ms 162.251.82.120
267 2026-08-21 22:49 639229488519347586
2 ms 162.251.82.121
266 2026-08-21 21:56 639229456606578934
5 ms 162.251.82.120
265 2026-08-21 21:56 639229456606578934
5 ms 162.251.82.121
264 2026-08-21 21:56 639229456606578934
5 ms 162.251.82.249
263 2026-08-21 21:56 639229456606578934
5 ms 162.251.82.248
262 2026-08-21 21:39 639229446985772499
9 ms 162.251.82.248
261 2026-08-21 21:39 639229446985772499
9 ms 162.251.82.121
260 2026-08-21 21:39 639229446985772499
9 ms 162.251.82.249
259 2026-08-21 21:39 639229446985772499
9 ms 162.251.82.120
258 2026-08-21 21:23 639229437367313098
194 ms 162.251.82.120
257 2026-08-21 21:23 639229437367313098
194 ms 162.251.82.121
256 2026-08-21 21:23 639229437367313098
194 ms 162.251.82.249
255 2026-08-21 21:23 639229437367313098
194 ms 162.251.82.248
254 2026-08-21 21:07 639229427923950391
96 ms 162.251.82.248
253 2026-08-21 21:07 639229427923950391
96 ms 162.251.82.249
252 2026-08-21 21:07 639229427923950391
96 ms 162.251.82.120
251 2026-08-21 21:07 639229427923950391
96 ms 162.251.82.121
250 2026-08-21 20:51 639229418168588854
4102 ms 162.251.82.248
249 2026-08-21 20:51 639229418168588854
4102 ms 162.251.82.120
248 2026-08-21 20:51 639229418168588854
4102 ms 162.251.82.121
247 2026-08-21 20:51 639229418168588854
4102 ms 162.251.82.249
246 2026-08-21 20:35 639229408345678334
98 ms 162.251.82.120
245 2026-08-21 20:35 639229408345678334
98 ms 162.251.82.249
244 2026-08-21 20:35 639229408345678334
98 ms 162.251.82.248
243 2026-08-21 20:35 639229408345678334
98 ms 162.251.82.121
242 2026-08-21 20:19 639229398616354648
2163 ms 162.251.82.249
241 2026-08-21 20:19 639229398616354648
2163 ms 162.251.82.248
240 2026-08-21 20:19 639229398616354648
2163 ms 162.251.82.120
239 2026-08-21 20:19 639229398616354648
2163 ms 162.251.82.121
238 2026-08-21 20:02 639229388634592323
99 ms 162.251.82.120
237 2026-08-21 20:02 639229388634592323
99 ms 162.251.82.248
236 2026-08-21 20:02 639229388634592323
99 ms 162.251.82.121
235 2026-08-21 20:02 639229388634592323
99 ms 162.251.82.249
234 2026-08-21 19:46 639229378792837692
156 ms 162.251.82.120
233 2026-08-21 19:46 639229378792837692
156 ms 162.251.82.249
232 2026-08-21 19:46 639229378792837692
156 ms 162.251.82.121
231 2026-08-21 19:46 639229378792837692
156 ms 162.251.82.248
230 2026-08-21 19:30 639229369154682311
136 ms 162.251.82.120
229 2026-08-21 19:30 639229369154682311
136 ms 162.251.82.249
228 2026-08-21 19:30 639229369154682311
136 ms 162.251.82.248
227 2026-08-21 19:30 639229369154682311
136 ms 162.251.82.121
226 2026-08-21 19:13 639229359248017926
197 ms 162.251.82.120
225 2026-08-21 19:13 639229359248017926
197 ms 162.251.82.249
224 2026-08-21 19:13 639229359248017926
197 ms 162.251.82.248
223 2026-08-21 19:13 639229359248017926
197 ms 162.251.82.121
222 2026-08-21 18:56 639229349124294642
-
221 2026-08-21 18:04 639229317791715692
123 ms 162.251.82.120
220 2026-08-21 18:04 639229317791715692
123 ms 162.251.82.248
219 2026-08-21 18:04 639229317791715692
123 ms 162.251.82.121
218 2026-08-21 18:04 639229317791715692
123 ms 162.251.82.249
217 2026-08-21 17:48 639229308115194575
130 ms 162.251.82.120
216 2026-08-21 17:48 639229308115194575
130 ms 162.251.82.249
215 2026-08-21 17:48 639229308115194575
130 ms 162.251.82.121
214 2026-08-21 17:48 639229308115194575
130 ms 162.251.82.248
213 2026-08-21 17:32 639229298320320558
191 ms 162.251.82.248
212 2026-08-21 17:32 639229298320320558
191 ms 162.251.82.121
211 2026-08-21 17:32 639229298320320558
191 ms 162.251.82.249
210 2026-08-21 17:32 639229298320320558
191 ms 162.251.82.120
209 2026-08-21 17:16 639229288674863221
9 ms 162.251.82.248
208 2026-08-21 17:16 639229288674863221
9 ms 162.251.82.249
207 2026-08-21 17:16 639229288674863221
9 ms 162.251.82.120
206 2026-08-21 17:16 639229288674863221
9 ms 162.251.82.121
205 2026-08-21 16:59 639229278983677079
191 ms 162.251.82.248
204 2026-08-21 16:59 639229278983677079
191 ms 162.251.82.249
203 2026-08-21 16:59 639229278983677079
191 ms 162.251.82.120
202 2026-08-21 16:59 639229278983677079
191 ms 162.251.82.121
201 2026-08-21 16:43 639229269405517175
173 ms 162.251.82.120
200 2026-08-21 16:43 639229269405517175
173 ms 162.251.82.249
199 2026-08-21 16:43 639229269405517175
173 ms 162.251.82.248
198 2026-08-21 16:43 639229269405517175
173 ms 162.251.82.121
197 2026-08-21 16:27 639229259594798244
208 ms 162.251.82.249
196 2026-08-21 16:27 639229259594798244
208 ms 162.251.82.120
195 2026-08-21 16:27 639229259594798244
208 ms 162.251.82.121
194 2026-08-21 16:27 639229259594798244
208 ms 162.251.82.248
193 2026-08-21 16:11 639229249736681188
170 ms 162.251.82.248
192 2026-08-21 16:11 639229249736681188
170 ms 162.251.82.249
191 2026-08-21 16:11 639229249736681188
170 ms 162.251.82.121
190 2026-08-21 16:11 639229249736681188
170 ms 162.251.82.120
189 2026-08-21 15:54 639229239699417787
11 ms 162.251.82.249
188 2026-08-21 15:54 639229239699417787
11 ms 162.251.82.121
187 2026-08-21 15:54 639229239699417787
11 ms 162.251.82.248
186 2026-08-21 15:54 639229239699417787
11 ms 162.251.82.120
185 2026-08-21 15:37 639229229621964033
111 ms 162.251.82.121
184 2026-08-21 15:37 639229229621964033
111 ms 162.251.82.248
183 2026-08-21 15:37 639229229621964033
111 ms 162.251.82.249
182 2026-08-21 15:37 639229229621964033
111 ms 162.251.82.120
181 2026-08-21 15:20 639229219567270965
188 ms 162.251.82.120
180 2026-08-21 15:20 639229219567270965
188 ms 162.251.82.249
179 2026-08-21 15:20 639229219567270965
188 ms 162.251.82.248
178 2026-08-21 15:20 639229219567270965
188 ms 162.251.82.121
177 2026-08-21 15:04 639229209406666856
211 ms 162.251.82.121
176 2026-08-21 15:04 639229209406666856
211 ms 162.251.82.249
175 2026-08-21 15:04 639229209406666856
211 ms 162.251.82.248
174 2026-08-21 15:04 639229209406666856
211 ms 162.251.82.120
173 2026-08-21 14:11 639229177815876178
163 ms 162.251.82.248
172 2026-08-21 14:11 639229177815876178
163 ms 162.251.82.249
171 2026-08-21 14:11 639229177815876178
163 ms 162.251.82.120
170 2026-08-21 14:11 639229177815876178
163 ms 162.251.82.121
169 2026-08-21 13:55 639229168243572685
281 ms 162.251.82.120
168 2026-08-21 13:55 639229168243572685
281 ms 162.251.82.248
167 2026-08-21 13:55 639229168243572685
281 ms 162.251.82.249
166 2026-08-21 13:55 639229168243572685
281 ms 162.251.82.121
165 2026-08-21 13:39 639229158599856475
2108 ms 162.251.82.120
164 2026-08-21 13:39 639229158599856475
2108 ms 162.251.82.249
163 2026-08-21 13:39 639229158599856475
2108 ms 162.251.82.248
162 2026-08-21 13:39 639229158599856475
2108 ms 162.251.82.121
161 2026-08-21 13:23 639229148998940902
94 ms 162.251.82.249
160 2026-08-21 13:23 639229148998940902
94 ms 162.251.82.121
159 2026-08-21 13:23 639229148998940902
94 ms 162.251.82.120
158 2026-08-21 13:23 639229148998940902
94 ms 162.251.82.248
157 2026-08-21 13:07 639229139276923594
3 ms 162.251.82.120
156 2026-08-21 13:07 639229139276923594
3 ms 162.251.82.248
155 2026-08-21 13:07 639229139276923594
3 ms 162.251.82.249
154 2026-08-21 13:07 639229139276923594
3 ms 162.251.82.121
153 2026-08-21 12:50 639229129709912394
5 ms 162.251.82.120
152 2026-08-21 12:50 639229129709912394
5 ms 162.251.82.248
151 2026-08-21 12:50 639229129709912394
5 ms 162.251.82.249
150 2026-08-21 12:50 639229129709912394
5 ms 162.251.82.121
149 2026-08-21 12:34 639229119801488500
203 ms 162.251.82.249
148 2026-08-21 12:34 639229119801488500
203 ms 162.251.82.121
147 2026-08-21 12:34 639229119801488500
203 ms 162.251.82.248
146 2026-08-21 12:34 639229119801488500
203 ms 162.251.82.120
145 2026-08-21 12:18 639229110135262458
98 ms 162.251.82.248
144 2026-08-21 12:18 639229110135262458
98 ms 162.251.82.120
143 2026-08-21 12:18 639229110135262458
98 ms 162.251.82.121
142 2026-08-21 12:18 639229110135262458
98 ms 162.251.82.249
141 2026-08-21 12:02 639229100336051392
8 ms 162.251.82.120
140 2026-08-21 12:02 639229100336051392
8 ms 162.251.82.248
139 2026-08-21 12:02 639229100336051392
8 ms 162.251.82.249
138 2026-08-21 12:02 639229100336051392
8 ms 162.251.82.121
137 2026-08-21 11:45 639229090641415626
191 ms 162.251.82.121
136 2026-08-21 11:45 639229090641415626
191 ms 162.251.82.120
135 2026-08-21 11:45 639229090641415626
191 ms 162.251.82.248
134 2026-08-21 11:45 639229090641415626
191 ms 162.251.82.249
133 2026-08-21 11:29 639229080702683947
100 ms 162.251.82.121
132 2026-08-21 11:29 639229080702683947
100 ms 162.251.82.120
131 2026-08-21 11:29 639229080702683947
100 ms 162.251.82.249
130 2026-08-21 11:29 639229080702683947
100 ms 162.251.82.248
129 2026-08-21 11:12 639229070601456699
192 ms 162.251.82.248
128 2026-08-21 11:12 639229070601456699
192 ms 162.251.82.249
127 2026-08-21 11:12 639229070601456699
192 ms 162.251.82.120
126 2026-08-21 11:12 639229070601456699
192 ms 162.251.82.121
125 2026-08-21 10:19 639229038947447232
37 ms 162.251.82.248
124 2026-08-21 10:19 639229038947447232
37 ms 162.251.82.121
123 2026-08-21 10:19 639229038947447232
37 ms 162.251.82.249
122 2026-08-21 10:19 639229038947447232
37 ms 162.251.82.120
121 2026-08-21 10:03 639229029268708773
188 ms 162.251.82.248
120 2026-08-21 10:03 639229029268708773
188 ms 162.251.82.120
119 2026-08-21 10:03 639229029268708773
188 ms 162.251.82.121
118 2026-08-21 10:03 639229029268708773
188 ms 162.251.82.249
117 2026-08-21 09:47 639229019647910603
190 ms 162.251.82.248
116 2026-08-21 09:47 639229019647910603
190 ms 162.251.82.121
115 2026-08-21 09:47 639229019647910603
190 ms 162.251.82.249
114 2026-08-21 09:47 639229019647910603
190 ms 162.251.82.120
113 2026-08-21 09:31 639229009983843738
2005 ms 162.251.82.249
112 2026-08-21 09:31 639229009983843738
2005 ms 162.251.82.120
111 2026-08-21 09:31 639229009983843738
2005 ms 162.251.82.248
110 2026-08-21 09:31 639229009983843738
2005 ms 162.251.82.121
109 2026-08-21 09:15 639229000203331882
2179 ms 162.251.82.248
108 2026-08-21 09:15 639229000203331882
2179 ms 162.251.82.249
107 2026-08-21 09:15 639229000203331882
2179 ms 162.251.82.121
106 2026-08-21 09:15 639229000203331882
2179 ms 162.251.82.120
105 2026-08-21 08:58 639228990302335999
8 ms 162.251.82.248
104 2026-08-21 08:58 639228990302335999
8 ms 162.251.82.249
103 2026-08-21 08:58 639228990302335999
8 ms 162.251.82.121
102 2026-08-21 08:58 639228990302335999
8 ms 162.251.82.120
101 2026-08-21 08:42 639228980567740722
158 ms 162.251.82.120
100 2026-08-21 08:42 639228980567740722
158 ms 162.251.82.248
99 2026-08-21 08:42 639228980567740722
158 ms 162.251.82.121
98 2026-08-21 08:42 639228980567740722
158 ms 162.251.82.249
97 2026-08-21 08:26 639228970762445174
192 ms 162.251.82.249
96 2026-08-21 08:26 639228970762445174
192 ms 162.251.82.121
95 2026-08-21 08:26 639228970762445174
192 ms 162.251.82.120
94 2026-08-21 08:26 639228970762445174
192 ms 162.251.82.248
93 2026-08-21 08:10 639228961065054445
93 ms 162.251.82.120
92 2026-08-21 08:10 639228961065054445
93 ms 162.251.82.121
91 2026-08-21 08:10 639228961065054445
93 ms 162.251.82.248
90 2026-08-21 08:10 639228961065054445
93 ms 162.251.82.249
89 2026-08-21 07:53 639228951224649885
199 ms 162.251.82.120
88 2026-08-21 07:53 639228951224649885
199 ms 162.251.82.248
87 2026-08-21 07:53 639228951224649885
199 ms 162.251.82.121
86 2026-08-21 07:53 639228951224649885
199 ms 162.251.82.249
85 2026-08-21 07:36 639228941303864592
214 ms 162.251.82.248
84 2026-08-21 07:36 639228941303864592
214 ms 162.251.82.121
83 2026-08-21 07:36 639228941303864592
214 ms 162.251.82.249
82 2026-08-21 07:36 639228941303864592
214 ms 162.251.82.120
81 2026-08-21 07:20 639228931191328583
108 ms 162.251.82.249
80 2026-08-21 07:20 639228931191328583
108 ms 162.251.82.248
79 2026-08-21 07:20 639228931191328583
108 ms 162.251.82.120
78 2026-08-21 07:20 639228931191328583
108 ms 162.251.82.121
77 2026-08-21 06:27 639228899518173317
27 ms 162.251.82.248
76 2026-08-21 06:27 639228899518173317
27 ms 162.251.82.121
75 2026-08-21 06:27 639228899518173317
27 ms 162.251.82.249
74 2026-08-21 06:27 639228899518173317
27 ms 162.251.82.120
73 2026-08-21 06:11 639228889785027669
194 ms 162.251.82.121
72 2026-08-21 06:11 639228889785027669
194 ms 162.251.82.248
71 2026-08-21 06:11 639228889785027669
194 ms 162.251.82.120
70 2026-08-21 06:11 639228889785027669
194 ms 162.251.82.249
69 2026-08-21 05:55 639228880106330161
10 ms 162.251.82.248
68 2026-08-21 05:55 639228880106330161
10 ms 162.251.82.121
67 2026-08-21 05:55 639228880106330161
10 ms 162.251.82.249
66 2026-08-21 05:55 639228880106330161
10 ms 162.251.82.120
65 2026-08-21 05:38 639228870316184091
113 ms 162.251.82.248
64 2026-08-21 05:38 639228870316184091
113 ms 162.251.82.121
63 2026-08-21 05:38 639228870316184091
113 ms 162.251.82.249
62 2026-08-21 05:38 639228870316184091
113 ms 162.251.82.120
61 2026-08-21 05:22 639228860695366512
661 ms 162.251.82.120
60 2026-08-21 05:22 639228860695366512
661 ms 162.251.82.249
59 2026-08-21 05:22 639228860695366512
661 ms 162.251.82.248
58 2026-08-21 05:22 639228860695366512
661 ms 162.251.82.121
57 2026-08-21 05:06 639228851027209500
31 ms 162.251.82.120
56 2026-08-21 05:06 639228851027209500
31 ms 162.251.82.249
55 2026-08-21 05:06 639228851027209500
31 ms 162.251.82.248
54 2026-08-21 05:06 639228851027209500
31 ms 162.251.82.121
53 2026-08-21 04:50 639228841479265462
96 ms 162.251.82.248
52 2026-08-21 04:50 639228841479265462
96 ms 162.251.82.249
51 2026-08-21 04:50 639228841479265462
96 ms 162.251.82.121
50 2026-08-21 04:50 639228841479265462
96 ms 162.251.82.120
49 2026-08-21 04:34 639228831752962260
30 ms 162.251.82.121
48 2026-08-21 04:34 639228831752962260
30 ms 162.251.82.248
47 2026-08-21 04:34 639228831752962260
30 ms 162.251.82.249
46 2026-08-21 04:34 639228831752962260
30 ms 162.251.82.120
45 2026-08-21 04:18 639228821953295483
-
44 2026-08-21 04:02 639228812227429953
241 ms 162.251.82.120
43 2026-08-21 04:02 639228812227429953
241 ms 162.251.82.121
42 2026-08-21 04:02 639228812227429953
241 ms 162.251.82.249
41 2026-08-21 04:02 639228812227429953
241 ms 162.251.82.248
40 2026-08-21 03:45 639228802476107538
144 ms 162.251.82.121
39 2026-08-21 03:45 639228802476107538
144 ms 162.251.82.248
38 2026-08-21 03:45 639228802476107538
144 ms 162.251.82.249
37 2026-08-21 03:45 639228802476107538
144 ms 162.251.82.120
36 2026-08-21 03:29 639228792525492032
105 ms 162.251.82.120
35 2026-08-21 03:29 639228792525492032
105 ms 162.251.82.121
34 2026-08-21 03:29 639228792525492032
105 ms 162.251.82.248
33 2026-08-21 03:29 639228792525492032
105 ms 162.251.82.249
32 2026-08-21 02:36 639228761131421385
214 ms 162.251.82.248
31 2026-08-21 02:36 639228761131421385
214 ms 162.251.82.121
30 2026-08-21 02:36 639228761131421385
214 ms 162.251.82.249
29 2026-08-21 02:36 639228761131421385
214 ms 162.251.82.120
28 2026-08-21 02:20 639228751571206692
208 ms 162.251.82.120
27 2026-08-21 02:20 639228751571206692
208 ms 162.251.82.249
26 2026-08-21 02:20 639228751571206692
208 ms 162.251.82.248
25 2026-08-21 02:20 639228751571206692
208 ms 162.251.82.121
24 2026-08-21 02:04 639228741705571019
204 ms 162.251.82.120
23 2026-08-21 02:04 639228741705571019
204 ms 162.251.82.121
22 2026-08-21 02:04 639228741705571019
204 ms 162.251.82.249
21 2026-08-21 02:04 639228741705571019
204 ms 162.251.82.248
20 2026-08-21 01:47 639228731642208228
157 ms 162.251.82.120
19 2026-08-21 01:47 639228731642208228
157 ms 162.251.82.248
18 2026-08-21 01:47 639228731642208228
157 ms 162.251.82.249
17 2026-08-21 01:47 639228731642208228
157 ms 162.251.82.121
16 2026-08-21 00:55 639228700387002072
7 ms 162.251.82.248
15 2026-08-21 00:55 639228700387002072
7 ms 162.251.82.121
14 2026-08-21 00:55 639228700387002072
7 ms 162.251.82.249
13 2026-08-21 00:55 639228700387002072
7 ms 162.251.82.120
12 2026-08-21 00:39 639228690742014433
4 ms 162.251.82.249
11 2026-08-21 00:39 639228690742014433
4 ms 162.251.82.120
10 2026-08-21 00:39 639228690742014433
4 ms 162.251.82.248
9 2026-08-21 00:39 639228690742014433
4 ms 162.251.82.121
8 2026-08-21 00:22 639228680877937122
186 ms 162.251.82.121
7 2026-08-21 00:22 639228680877937122
186 ms 162.251.82.249
6 2026-08-21 00:22 639228680877937122
186 ms 162.251.82.120
5 2026-08-21 00:22 639228680877937122
186 ms 162.251.82.248
4 2026-08-21 00:06 639228670775860800
2117 ms 162.251.82.121
3 2026-08-21 00:06 639228670775860800
2117 ms 162.251.82.249
2 2026-08-21 00:06 639228670775860800
2117 ms 162.251.82.120
1 2026-08-21 00:06 639228670775860800
2117 ms 162.251.82.248