DNS response history for sys4.isabai.com

sys4.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 2026-08-20. For this date, NameServerHistory found 228 DNS check records, 228 successful responses, 0 failed responses, and 274 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 sys4.isabai.com.
Records on Selected Date

228

Historical checks stored for this nameserver on selected date

Average Latency

274 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:13

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.124

Most recently resolved hosting IP on selected date

Successful Responses

228

Checks that returned a measurable response

Failed Responses

0

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 sys4.isabai.com

Showing DNS history for 2026-08-20 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
228 2026-08-20 23:13 639228639850033448
139 ms 162.251.82.124
227 2026-08-20 23:13 639228639850033448
139 ms 162.251.82.125
226 2026-08-20 23:13 639228639850033448
139 ms 162.251.82.253
225 2026-08-20 23:13 639228639850033448
139 ms 162.251.82.252
224 2026-08-20 22:57 639228630204271870
199 ms 162.251.82.125
223 2026-08-20 22:57 639228630204271870
199 ms 162.251.82.124
222 2026-08-20 22:57 639228630204271870
199 ms 162.251.82.253
221 2026-08-20 22:57 639228630204271870
199 ms 162.251.82.252
220 2026-08-20 22:41 639228620295091135
172 ms 162.251.82.252
219 2026-08-20 22:41 639228620295091135
172 ms 162.251.82.124
218 2026-08-20 22:41 639228620295091135
172 ms 162.251.82.253
217 2026-08-20 22:41 639228620295091135
172 ms 162.251.82.125
216 2026-08-20 22:24 639228610298336915
199 ms 162.251.82.125
215 2026-08-20 22:24 639228610298336915
199 ms 162.251.82.124
214 2026-08-20 22:24 639228610298336915
199 ms 162.251.82.253
213 2026-08-20 22:24 639228610298336915
199 ms 162.251.82.252
212 2026-08-20 21:32 639228578917047616
244 ms 162.251.82.124
211 2026-08-20 21:32 639228578917047616
244 ms 162.251.82.125
210 2026-08-20 21:32 639228578917047616
244 ms 162.251.82.252
209 2026-08-20 21:32 639228578917047616
244 ms 162.251.82.253
208 2026-08-20 21:15 639228569046445709
129 ms 162.251.82.253
207 2026-08-20 21:15 639228569046445709
129 ms 162.251.82.125
206 2026-08-20 21:15 639228569046445709
129 ms 162.251.82.252
205 2026-08-20 21:15 639228569046445709
129 ms 162.251.82.124
204 2026-08-20 20:59 639228558946830986
216 ms 162.251.82.253
203 2026-08-20 20:59 639228558946830986
216 ms 162.251.82.252
202 2026-08-20 20:59 639228558946830986
216 ms 162.251.82.125
201 2026-08-20 20:59 639228558946830986
216 ms 162.251.82.124
200 2026-08-20 20:42 639228548977359217
161 ms 162.251.82.124
199 2026-08-20 20:42 639228548977359217
161 ms 162.251.82.253
198 2026-08-20 20:42 639228548977359217
161 ms 162.251.82.125
197 2026-08-20 20:42 639228548977359217
161 ms 162.251.82.252
196 2026-08-20 19:49 639228517494157668
203 ms 162.251.82.253
195 2026-08-20 19:49 639228517494157668
203 ms 162.251.82.252
194 2026-08-20 19:49 639228517494157668
203 ms 162.251.82.124
193 2026-08-20 19:49 639228517494157668
203 ms 162.251.82.125
192 2026-08-20 19:33 639228507374116892
221 ms 162.251.82.125
191 2026-08-20 19:33 639228507374116892
221 ms 162.251.82.253
190 2026-08-20 19:33 639228507374116892
221 ms 162.251.82.252
189 2026-08-20 19:33 639228507374116892
221 ms 162.251.82.124
188 2026-08-20 19:16 639228497315154893
102 ms 162.251.82.125
187 2026-08-20 19:16 639228497315154893
102 ms 162.251.82.253
186 2026-08-20 19:16 639228497315154893
102 ms 162.251.82.252
185 2026-08-20 19:16 639228497315154893
102 ms 162.251.82.124
184 2026-08-20 18:59 639228487287648341
205 ms 162.251.82.252
183 2026-08-20 18:59 639228487287648341
205 ms 162.251.82.125
182 2026-08-20 18:59 639228487287648341
205 ms 162.251.82.253
181 2026-08-20 18:59 639228487287648341
205 ms 162.251.82.124
180 2026-08-20 18:07 639228455828123788
162 ms 162.251.82.125
179 2026-08-20 18:07 639228455828123788
162 ms 162.251.82.252
178 2026-08-20 18:07 639228455828123788
162 ms 162.251.82.124
177 2026-08-20 18:07 639228455828123788
162 ms 162.251.82.253
176 2026-08-20 17:50 639228445900082244
9 ms 162.251.82.253
175 2026-08-20 17:50 639228445900082244
9 ms 162.251.82.252
174 2026-08-20 17:50 639228445900082244
9 ms 162.251.82.125
173 2026-08-20 17:50 639228445900082244
9 ms 162.251.82.124
172 2026-08-20 17:33 639228435866352323
196 ms 162.251.82.125
171 2026-08-20 17:33 639228435866352323
196 ms 162.251.82.253
170 2026-08-20 17:33 639228435866352323
196 ms 162.251.82.124
169 2026-08-20 17:33 639228435866352323
196 ms 162.251.82.252
168 2026-08-20 17:17 639228425802273151
115 ms 162.251.82.253
167 2026-08-20 17:17 639228425802273151
115 ms 162.251.82.252
166 2026-08-20 17:17 639228425802273151
115 ms 162.251.82.125
165 2026-08-20 17:17 639228425802273151
115 ms 162.251.82.124
164 2026-08-20 16:23 639228393616324230
15 ms 162.251.82.125
163 2026-08-20 16:23 639228393616324230
15 ms 162.251.82.253
162 2026-08-20 16:23 639228393616324230
15 ms 162.251.82.252
161 2026-08-20 16:23 639228393616324230
15 ms 162.251.82.124
160 2026-08-20 16:06 639228383590408693
258 ms 162.251.82.252
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258 ms 162.251.82.125
158 2026-08-20 16:06 639228383590408693
258 ms 162.251.82.124
157 2026-08-20 16:06 639228383590408693
258 ms 162.251.82.253
156 2026-08-20 15:49 639228373471467474
2012 ms 162.251.82.124
155 2026-08-20 15:49 639228373471467474
2012 ms 162.251.82.125
154 2026-08-20 15:49 639228373471467474
2012 ms 162.251.82.253
153 2026-08-20 15:49 639228373471467474
2012 ms 162.251.82.252
152 2026-08-20 15:32 639228363426647311
21 ms 162.251.82.252
151 2026-08-20 15:32 639228363426647311
21 ms 162.251.82.124
150 2026-08-20 15:32 639228363426647311
21 ms 162.251.82.125
149 2026-08-20 15:32 639228363426647311
21 ms 162.251.82.253
148 2026-08-20 14:40 639228331681701910
120 ms 162.251.82.253
147 2026-08-20 14:40 639228331681701910
120 ms 162.251.82.252
146 2026-08-20 14:40 639228331681701910
120 ms 162.251.82.125
145 2026-08-20 14:40 639228331681701910
120 ms 162.251.82.124
144 2026-08-20 14:23 639228321714746824
37 ms 162.251.82.124
143 2026-08-20 14:23 639228321714746824
37 ms 162.251.82.252
142 2026-08-20 14:23 639228321714746824
37 ms 162.251.82.253
141 2026-08-20 14:23 639228321714746824
37 ms 162.251.82.125
140 2026-08-20 14:06 639228311652090262
197 ms 162.251.82.252
139 2026-08-20 14:06 639228311652090262
197 ms 162.251.82.124
138 2026-08-20 14:06 639228311652090262
197 ms 162.251.82.125
137 2026-08-20 14:06 639228311652090262
197 ms 162.251.82.253
136 2026-08-20 13:50 639228301670088587
2197 ms 162.251.82.253
135 2026-08-20 13:50 639228301670088587
2197 ms 162.251.82.125
134 2026-08-20 13:50 639228301670088587
2197 ms 162.251.82.124
133 2026-08-20 13:50 639228301670088587
2197 ms 162.251.82.252
132 2026-08-20 12:57 639228269987976710
205 ms 162.251.82.253
131 2026-08-20 12:57 639228269987976710
205 ms 162.251.82.252
130 2026-08-20 12:57 639228269987976710
205 ms 162.251.82.125
129 2026-08-20 12:57 639228269987976710
205 ms 162.251.82.124
128 2026-08-20 12:40 639228260009452308
2187 ms 162.251.82.252
127 2026-08-20 12:40 639228260009452308
2187 ms 162.251.82.125
126 2026-08-20 12:40 639228260009452308
2187 ms 162.251.82.253
125 2026-08-20 12:40 639228260009452308
2187 ms 162.251.82.124
124 2026-08-20 12:23 639228249661740894
2123 ms 162.251.82.124
123 2026-08-20 12:23 639228249661740894
2123 ms 162.251.82.252
122 2026-08-20 12:23 639228249661740894
2123 ms 162.251.82.125
121 2026-08-20 12:23 639228249661740894
2123 ms 162.251.82.253
120 2026-08-20 12:06 639228239552680346
104 ms 162.251.82.253
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104 ms 162.251.82.125
118 2026-08-20 12:06 639228239552680346
104 ms 162.251.82.124
117 2026-08-20 12:06 639228239552680346
104 ms 162.251.82.252
116 2026-08-20 11:13 639228207667580819
18 ms 162.251.82.253
115 2026-08-20 11:13 639228207667580819
18 ms 162.251.82.125
114 2026-08-20 11:13 639228207667580819
18 ms 162.251.82.252
113 2026-08-20 11:13 639228207667580819
18 ms 162.251.82.124
112 2026-08-20 10:56 639228197494011560
190 ms 162.251.82.252
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190 ms 162.251.82.125
110 2026-08-20 10:56 639228197494011560
190 ms 162.251.82.253
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190 ms 162.251.82.124
108 2026-08-20 10:39 639228187497039939
253 ms 162.251.82.253
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253 ms 162.251.82.252
106 2026-08-20 10:39 639228187497039939
253 ms 162.251.82.125
105 2026-08-20 10:39 639228187497039939
253 ms 162.251.82.124
104 2026-08-20 10:22 639228177408432646
195 ms 162.251.82.125
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195 ms 162.251.82.124
102 2026-08-20 10:22 639228177408432646
195 ms 162.251.82.253
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195 ms 162.251.82.252
100 2026-08-20 09:31 639228146356166262
205 ms 162.251.82.125
99 2026-08-20 09:31 639228146356166262
205 ms 162.251.82.253
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205 ms 162.251.82.124
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205 ms 162.251.82.252
96 2026-08-20 09:14 639228136541505712
195 ms 162.251.82.125
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195 ms 162.251.82.252
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195 ms 162.251.82.124
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92 2026-08-20 08:58 639228126519136598
194 ms 162.251.82.253
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90 2026-08-20 08:58 639228126519136598
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88 2026-08-20 08:41 639228116537148885
211 ms 162.251.82.124
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211 ms 162.251.82.252
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211 ms 162.251.82.253
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211 ms 162.251.82.125
84 2026-08-20 07:49 639228085320764351
14 ms 162.251.82.252
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14 ms 162.251.82.125
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14 ms 162.251.82.253
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80 2026-08-20 07:33 639228075444604839
22 ms 162.251.82.253
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22 ms 162.251.82.125
78 2026-08-20 07:33 639228075444604839
22 ms 162.251.82.252
77 2026-08-20 07:33 639228075444604839
22 ms 162.251.82.124
76 2026-08-20 07:16 639228065615498985
179 ms 162.251.82.124
75 2026-08-20 07:16 639228065615498985
179 ms 162.251.82.253
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179 ms 162.251.82.125
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179 ms 162.251.82.252
72 2026-08-20 07:00 639228055675321422
200 ms 162.251.82.253
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70 2026-08-20 07:00 639228055675321422
200 ms 162.251.82.124
69 2026-08-20 07:00 639228055675321422
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68 2026-08-20 06:07 639228024230839396
163 ms 162.251.82.125
67 2026-08-20 06:07 639228024230839396
163 ms 162.251.82.252
66 2026-08-20 06:07 639228024230839396
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65 2026-08-20 06:07 639228024230839396
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64 2026-08-20 05:51 639228014720406505
196 ms 162.251.82.125
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196 ms 162.251.82.253
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196 ms 162.251.82.124
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60 2026-08-20 05:35 639228004930827030
190 ms 162.251.82.124
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56 2026-08-20 05:18 639227995103340154
52 ms 162.251.82.252
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52 2026-08-20 04:27 639227963811374894
41 ms 162.251.82.253
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50 2026-08-20 04:27 639227963811374894
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48 2026-08-20 04:10 639227954132571365
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44 2026-08-20 03:54 639227944541208342
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40 2026-08-20 03:38 639227934657213484
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36 2026-08-20 02:46 639227903628145469
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8 2026-08-20 00:18 639227814865867570
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4 2026-08-20 00:03 639227805445376839
177 ms 162.251.82.253
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177 ms 162.251.82.124
2 2026-08-20 00:03 639227805445376839
177 ms 162.251.82.125
1 2026-08-20 00:03 639227805445376839
177 ms 162.251.82.252