DNS response history for sys1.isabai.com

sys1.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 2026-08-27. For this date, NameServerHistory found 281 DNS check records, 280 successful responses, 1 failed responses, and 279 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 sys1.isabai.com.
Records on Selected Date

281

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 23:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.251

Most recently resolved hosting IP on selected date

Successful Responses

280

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 sys1.isabai.com

Showing DNS history for 2026-08-27 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
281 2026-08-27 23:19 639234690580226618
199 ms 162.251.82.251
280 2026-08-27 23:19 639234690580226618
199 ms 162.251.82.123
279 2026-08-27 23:19 639234690580226618
199 ms 162.251.82.122
278 2026-08-27 23:19 639234690580226618
199 ms 162.251.82.250
277 2026-08-27 23:02 639234680477852135
99 ms 162.251.82.123
276 2026-08-27 23:02 639234680477852135
99 ms 162.251.82.122
275 2026-08-27 23:02 639234680477852135
99 ms 162.251.82.250
274 2026-08-27 23:02 639234680477852135
99 ms 162.251.82.251
273 2026-08-27 22:45 639234670282270693
187 ms 162.251.82.251
272 2026-08-27 22:45 639234670282270693
187 ms 162.251.82.250
271 2026-08-27 22:45 639234670282270693
187 ms 162.251.82.123
270 2026-08-27 22:45 639234670282270693
187 ms 162.251.82.122
269 2026-08-27 22:28 639234660146106544
197 ms 162.251.82.250
268 2026-08-27 22:28 639234660146106544
197 ms 162.251.82.251
267 2026-08-27 22:28 639234660146106544
197 ms 162.251.82.122
266 2026-08-27 22:28 639234660146106544
197 ms 162.251.82.123
265 2026-08-27 22:11 639234649768231829
193 ms 162.251.82.123
264 2026-08-27 22:11 639234649768231829
193 ms 162.251.82.250
263 2026-08-27 22:11 639234649768231829
193 ms 162.251.82.251
262 2026-08-27 22:11 639234649768231829
193 ms 162.251.82.122
261 2026-08-27 21:54 639234639589413826
98 ms 162.251.82.250
260 2026-08-27 21:54 639234639589413826
98 ms 162.251.82.251
259 2026-08-27 21:54 639234639589413826
98 ms 162.251.82.123
258 2026-08-27 21:54 639234639589413826
98 ms 162.251.82.122
257 2026-08-27 21:37 639234629372993861
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256 2026-08-27 21:37 639234629372993861
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255 2026-08-27 21:37 639234629372993861
160 ms 162.251.82.122
254 2026-08-27 21:37 639234629372993861
160 ms 162.251.82.123
253 2026-08-27 21:20 639234619223904344
194 ms 162.251.82.250
252 2026-08-27 21:20 639234619223904344
194 ms 162.251.82.122
251 2026-08-27 21:20 639234619223904344
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250 2026-08-27 21:20 639234619223904344
194 ms 162.251.82.123
249 2026-08-27 21:03 639234608944811927
105 ms 162.251.82.123
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247 2026-08-27 21:03 639234608944811927
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246 2026-08-27 21:03 639234608944811927
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245 2026-08-27 20:45 639234598661858910
98 ms 162.251.82.250
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98 ms 162.251.82.251
243 2026-08-27 20:45 639234598661858910
98 ms 162.251.82.123
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98 ms 162.251.82.122
241 2026-08-27 20:28 639234588314533893
199 ms 162.251.82.123
240 2026-08-27 20:28 639234588314533893
199 ms 162.251.82.250
239 2026-08-27 20:28 639234588314533893
199 ms 162.251.82.122
238 2026-08-27 20:28 639234588314533893
199 ms 162.251.82.251
237 2026-08-27 20:11 639234577878211878
192 ms 162.251.82.122
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192 ms 162.251.82.123
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192 ms 162.251.82.250
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192 ms 162.251.82.251
233 2026-08-27 19:17 639234545578367474
97 ms 162.251.82.123
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97 ms 162.251.82.250
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97 ms 162.251.82.122
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97 ms 162.251.82.251
229 2026-08-27 19:00 639234535255111795
99 ms 162.251.82.122
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99 ms 162.251.82.250
227 2026-08-27 19:00 639234535255111795
99 ms 162.251.82.123
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99 ms 162.251.82.251
225 2026-08-27 18:43 639234525107594067
97 ms 162.251.82.123
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97 ms 162.251.82.122
223 2026-08-27 18:43 639234525107594067
97 ms 162.251.82.251
222 2026-08-27 18:43 639234525107594067
97 ms 162.251.82.250
221 2026-08-27 18:26 639234514890244566
94 ms 162.251.82.123
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94 ms 162.251.82.250
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94 ms 162.251.82.122
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94 ms 162.251.82.251
217 2026-08-27 18:09 639234504745477862
184 ms 162.251.82.251
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184 ms 162.251.82.250
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184 ms 162.251.82.123
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184 ms 162.251.82.122
213 2026-08-27 17:52 639234494449227290
97 ms 162.251.82.122
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97 ms 162.251.82.250
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97 ms 162.251.82.123
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97 ms 162.251.82.251
209 2026-08-27 17:35 639234484118025686
194 ms 162.251.82.250
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194 ms 162.251.82.251
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194 ms 162.251.82.122
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194 ms 162.251.82.123
205 2026-08-27 17:18 639234473946362077
96 ms 162.251.82.251
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96 ms 162.251.82.123
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96 ms 162.251.82.122
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96 ms 162.251.82.250
201 2026-08-27 17:01 639234463759124388
195 ms 162.251.82.250
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195 ms 162.251.82.123
199 2026-08-27 17:01 639234463759124388
195 ms 162.251.82.251
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195 ms 162.251.82.122
197 2026-08-27 16:44 639234453500759178
198 ms 162.251.82.123
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198 ms 162.251.82.250
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198 ms 162.251.82.251
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198 ms 162.251.82.122
193 2026-08-27 16:26 639234442983541638
3530 ms 162.251.82.123
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3530 ms 162.251.82.122
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3530 ms 162.251.82.250
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3530 ms 162.251.82.251
189 2026-08-27 16:08 639234432404354562
192 ms 162.251.82.250
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192 ms 162.251.82.123
187 2026-08-27 16:08 639234432404354562
192 ms 162.251.82.251
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192 ms 162.251.82.122
185 2026-08-27 15:14 639234399767719119
8 ms 162.251.82.122
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8 ms 162.251.82.123
183 2026-08-27 15:14 639234399767719119
8 ms 162.251.82.250
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181 2026-08-27 14:57 639234389460601485
95 ms 162.251.82.123
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95 ms 162.251.82.251
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95 ms 162.251.82.250
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95 ms 162.251.82.122
177 2026-08-27 14:40 639234379227178707
98 ms 162.251.82.250
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98 ms 162.251.82.123
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98 ms 162.251.82.122
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98 ms 162.251.82.251
173 2026-08-27 14:23 639234369065315214
193 ms 162.251.82.123
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193 ms 162.251.82.122
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193 ms 162.251.82.251
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193 ms 162.251.82.250
169 2026-08-27 14:06 639234358825501576
4 ms 162.251.82.123
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4 ms 162.251.82.250
167 2026-08-27 14:06 639234358825501576
4 ms 162.251.82.251
166 2026-08-27 14:06 639234358825501576
4 ms 162.251.82.122
165 2026-08-27 13:49 639234348572745268
100 ms 162.251.82.251
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100 ms 162.251.82.122
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100 ms 162.251.82.250
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100 ms 162.251.82.123
161 2026-08-27 13:31 639234338264503481
8 ms 162.251.82.250
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159 2026-08-27 13:31 639234338264503481
8 ms 162.251.82.122
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157 2026-08-27 13:14 639234327818741376
189 ms 162.251.82.123
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189 ms 162.251.82.250
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189 ms 162.251.82.251
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189 ms 162.251.82.122
153 2026-08-27 12:57 639234317475724313
101 ms 162.251.82.251
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101 ms 162.251.82.123
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149 2026-08-27 12:39 639234307007468133
125 ms 162.251.82.123
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145 2026-08-27 12:22 639234296664302575
116 ms 162.251.82.250
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141 2026-08-27 12:05 639234286253196126
4161 ms 162.251.82.122
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4161 ms 162.251.82.123
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137 2026-08-27 11:11 639234253963286387
187 ms 162.251.82.123
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133 2026-08-27 10:54 639234243654907465
127 ms 162.251.82.123
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129 2026-08-27 10:36 639234233269654413
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125 2026-08-27 10:19 639234222943951923
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121 2026-08-27 10:02 639234212558002823
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117 2026-08-27 09:45 639234202117531850
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113 2026-08-27 09:27 639234191649612722
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109 2026-08-27 09:10 639234181105879568
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101 2026-08-27 08:35 639234160341037652
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53 2026-08-27 04:32 639234014311170162
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52 2026-08-27 04:14 639234003806017640
186 ms 162.251.82.122
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40 2026-08-27 02:46 639233950834200647
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36 2026-08-27 02:29 639233940431849026
160 ms 162.251.82.250
35 2026-08-27 02:29 639233940431849026
160 ms 162.251.82.123
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160 ms 162.251.82.122
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160 ms 162.251.82.251
32 2026-08-27 02:11 639233930110596398
190 ms 162.251.82.122
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190 ms 162.251.82.250
30 2026-08-27 02:11 639233930110596398
190 ms 162.251.82.251
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190 ms 162.251.82.123
28 2026-08-27 01:54 639233919705434540
96 ms 162.251.82.250
27 2026-08-27 01:54 639233919705434540
96 ms 162.251.82.122
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96 ms 162.251.82.251
25 2026-08-27 01:54 639233919705434540
96 ms 162.251.82.123
24 2026-08-27 01:37 639233909452807845
110 ms 162.251.82.122
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110 ms 162.251.82.123
22 2026-08-27 01:37 639233909452807845
110 ms 162.251.82.251
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110 ms 162.251.82.250
20 2026-08-27 01:20 639233899096420820
142 ms 162.251.82.250
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142 ms 162.251.82.122
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142 ms 162.251.82.251
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142 ms 162.251.82.123
16 2026-08-27 01:02 639233888707824939
185 ms 162.251.82.122
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185 ms 162.251.82.251
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185 ms 162.251.82.250
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185 ms 162.251.82.123
12 2026-08-27 00:45 639233878461203802
190 ms 162.251.82.122
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190 ms 162.251.82.251
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190 ms 162.251.82.123
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190 ms 162.251.82.250
8 2026-08-27 00:28 639233868060868209
177 ms 162.251.82.123
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177 ms 162.251.82.122
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177 ms 162.251.82.251
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177 ms 162.251.82.250
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206 ms 162.251.82.250
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206 ms 162.251.82.123
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206 ms 162.251.82.122
1 2026-08-27 00:10 639233857450922991
206 ms 162.251.82.251