DNS response history for ns4.alfacloud.biz

ns4.alfacloud.biz 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 2026-08-26. For this date, NameServerHistory found 265 DNS check records, 264 successful responses, 1 failed responses, and 410 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 ns4.alfacloud.biz.
Records on Selected Date

265

Historical checks stored for this nameserver on selected date

Average Latency

410 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 22:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.251.82.253

Most recently resolved hosting IP on selected date

Successful Responses

264

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 ns4.alfacloud.biz

Showing DNS history for 2026-08-26 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
265 2026-08-26 22:22 639233793971346256
149 ms 162.251.82.253
264 2026-08-26 22:22 639233793971346256
149 ms 162.251.82.125
263 2026-08-26 22:22 639233793971346256
149 ms 162.251.82.124
262 2026-08-26 22:22 639233793971346256
149 ms 162.251.82.252
261 2026-08-26 22:05 639233783644630463
285 ms 162.251.82.124
260 2026-08-26 22:05 639233783644630463
285 ms 162.251.82.125
259 2026-08-26 22:05 639233783644630463
285 ms 162.251.82.253
258 2026-08-26 22:05 639233783644630463
285 ms 162.251.82.252
257 2026-08-26 21:47 639233773302621314
8 ms 162.251.82.253
256 2026-08-26 21:47 639233773302621314
8 ms 162.251.82.125
255 2026-08-26 21:47 639233773302621314
8 ms 162.251.82.252
254 2026-08-26 21:47 639233773302621314
8 ms 162.251.82.124
253 2026-08-26 21:30 639233762896723748
38 ms 162.251.82.124
252 2026-08-26 21:30 639233762896723748
38 ms 162.251.82.125
251 2026-08-26 21:30 639233762896723748
38 ms 162.251.82.252
250 2026-08-26 21:30 639233762896723748
38 ms 162.251.82.253
249 2026-08-26 21:13 639233752543876329
10 ms 162.251.82.253
248 2026-08-26 21:13 639233752543876329
10 ms 162.251.82.252
247 2026-08-26 21:13 639233752543876329
10 ms 162.251.82.124
246 2026-08-26 21:13 639233752543876329
10 ms 162.251.82.125
245 2026-08-26 20:56 639233742155931788
174 ms 162.251.82.252
244 2026-08-26 20:56 639233742155931788
174 ms 162.251.82.253
243 2026-08-26 20:56 639233742155931788
174 ms 162.251.82.125
242 2026-08-26 20:56 639233742155931788
174 ms 162.251.82.124
241 2026-08-26 20:38 639233731712555311
255 ms 162.251.82.125
240 2026-08-26 20:38 639233731712555311
255 ms 162.251.82.252
239 2026-08-26 20:38 639233731712555311
255 ms 162.251.82.124
238 2026-08-26 20:38 639233731712555311
255 ms 162.251.82.253
237 2026-08-26 20:21 639233721164051126
53 ms 162.251.82.253
236 2026-08-26 20:21 639233721164051126
53 ms 162.251.82.125
235 2026-08-26 20:21 639233721164051126
53 ms 162.251.82.252
234 2026-08-26 20:21 639233721164051126
53 ms 162.251.82.124
233 2026-08-26 20:03 639233710560486320
126 ms 162.251.82.253
232 2026-08-26 20:03 639233710560486320
126 ms 162.251.82.252
231 2026-08-26 20:03 639233710560486320
126 ms 162.251.82.125
230 2026-08-26 20:03 639233710560486320
126 ms 162.251.82.124
229 2026-08-26 19:45 639233699834667450
2054 ms 162.251.82.125
228 2026-08-26 19:45 639233699834667450
2054 ms 162.251.82.253
227 2026-08-26 19:45 639233699834667450
2054 ms 162.251.82.252
226 2026-08-26 19:45 639233699834667450
2054 ms 162.251.82.124
225 2026-08-26 18:51 639233667209186136
8 ms 162.251.82.253
224 2026-08-26 18:51 639233667209186136
8 ms 162.251.82.125
223 2026-08-26 18:51 639233667209186136
8 ms 162.251.82.252
222 2026-08-26 18:51 639233667209186136
8 ms 162.251.82.124
221 2026-08-26 18:33 639233656814316266
97 ms 162.251.82.252
220 2026-08-26 18:33 639233656814316266
97 ms 162.251.82.253
219 2026-08-26 18:33 639233656814316266
97 ms 162.251.82.124
218 2026-08-26 18:33 639233656814316266
97 ms 162.251.82.125
217 2026-08-26 18:16 639233646245051806
2085 ms 162.251.82.124
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2085 ms 162.251.82.125
215 2026-08-26 18:16 639233646245051806
2085 ms 162.251.82.252
214 2026-08-26 18:16 639233646245051806
2085 ms 162.251.82.253
213 2026-08-26 17:58 639233635663779051
128 ms 162.251.82.252
212 2026-08-26 17:58 639233635663779051
128 ms 162.251.82.124
211 2026-08-26 17:58 639233635663779051
128 ms 162.251.82.253
210 2026-08-26 17:58 639233635663779051
128 ms 162.251.82.125
209 2026-08-26 17:40 639233624977342122
41 ms 162.251.82.252
208 2026-08-26 17:40 639233624977342122
41 ms 162.251.82.124
207 2026-08-26 17:40 639233624977342122
41 ms 162.251.82.253
206 2026-08-26 17:40 639233624977342122
41 ms 162.251.82.125
205 2026-08-26 17:23 639233614446136153
9 ms 162.251.82.125
204 2026-08-26 17:23 639233614446136153
9 ms 162.251.82.124
203 2026-08-26 17:23 639233614446136153
9 ms 162.251.82.252
202 2026-08-26 17:23 639233614446136153
9 ms 162.251.82.253
201 2026-08-26 17:05 639233603737877581
10 ms 162.251.82.253
200 2026-08-26 17:05 639233603737877581
10 ms 162.251.82.125
199 2026-08-26 17:05 639233603737877581
10 ms 162.251.82.252
198 2026-08-26 17:05 639233603737877581
10 ms 162.251.82.124
197 2026-08-26 16:47 639233593269224651
325 ms 162.251.82.124
196 2026-08-26 16:47 639233593269224651
325 ms 162.251.82.125
195 2026-08-26 16:47 639233593269224651
325 ms 162.251.82.252
194 2026-08-26 16:47 639233593269224651
325 ms 162.251.82.253
193 2026-08-26 16:30 639233582635086903
30 ms 162.251.82.125
192 2026-08-26 16:30 639233582635086903
30 ms 162.251.82.253
191 2026-08-26 16:30 639233582635086903
30 ms 162.251.82.252
190 2026-08-26 16:30 639233582635086903
30 ms 162.251.82.124
189 2026-08-26 16:12 639233572000374575
9 ms 162.251.82.125
188 2026-08-26 16:12 639233572000374575
9 ms 162.251.82.124
187 2026-08-26 16:12 639233572000374575
9 ms 162.251.82.252
186 2026-08-26 16:12 639233572000374575
9 ms 162.251.82.253
185 2026-08-26 15:54 639233561188633861
83 ms 162.251.82.124
184 2026-08-26 15:54 639233561188633861
83 ms 162.251.82.253
183 2026-08-26 15:54 639233561188633861
83 ms 162.251.82.252
182 2026-08-26 15:54 639233561188633861
83 ms 162.251.82.125
181 2026-08-26 15:36 639233550544357027
2033 ms 162.251.82.252
180 2026-08-26 15:36 639233550544357027
2033 ms 162.251.82.125
179 2026-08-26 15:36 639233550544357027
2033 ms 162.251.82.253
178 2026-08-26 15:36 639233550544357027
2033 ms 162.251.82.124
177 2026-08-26 14:42 639233517966053117
276 ms 162.251.82.125
176 2026-08-26 14:42 639233517966053117
276 ms 162.251.82.124
175 2026-08-26 14:42 639233517966053117
276 ms 162.251.82.253
174 2026-08-26 14:42 639233517966053117
276 ms 162.251.82.252
173 2026-08-26 14:25 639233507603253585
157 ms 162.251.82.124
172 2026-08-26 14:25 639233507603253585
157 ms 162.251.82.125
171 2026-08-26 14:25 639233507603253585
157 ms 162.251.82.253
170 2026-08-26 14:25 639233507603253585
157 ms 162.251.82.252
169 2026-08-26 14:07 639233497229039167
327 ms 162.251.82.253
168 2026-08-26 14:07 639233497229039167
327 ms 162.251.82.125
167 2026-08-26 14:07 639233497229039167
327 ms 162.251.82.252
166 2026-08-26 14:07 639233497229039167
327 ms 162.251.82.124
165 2026-08-26 13:50 639233486864546406
13 ms 162.251.82.252
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13 ms 162.251.82.124
163 2026-08-26 13:50 639233486864546406
13 ms 162.251.82.253
162 2026-08-26 13:50 639233486864546406
13 ms 162.251.82.125
161 2026-08-26 13:33 639233476455174682
182 ms 162.251.82.125
160 2026-08-26 13:33 639233476455174682
182 ms 162.251.82.124
159 2026-08-26 13:33 639233476455174682
182 ms 162.251.82.253
158 2026-08-26 13:33 639233476455174682
182 ms 162.251.82.252
157 2026-08-26 13:16 639233466171592605
2061 ms 162.251.82.253
156 2026-08-26 13:16 639233466171592605
2061 ms 162.251.82.125
155 2026-08-26 13:16 639233466171592605
2061 ms 162.251.82.252
154 2026-08-26 13:16 639233466171592605
2061 ms 162.251.82.124
153 2026-08-26 12:58 639233455747096265
-
152 2026-08-26 12:41 639233445367152284
1596 ms 162.251.82.252
151 2026-08-26 12:41 639233445367152284
1596 ms 162.251.82.124
150 2026-08-26 12:41 639233445367152284
1596 ms 162.251.82.125
149 2026-08-26 12:41 639233445367152284
1596 ms 162.251.82.253
148 2026-08-26 12:24 639233434974187439
194 ms 162.251.82.124
147 2026-08-26 12:24 639233434974187439
194 ms 162.251.82.253
146 2026-08-26 12:24 639233434974187439
194 ms 162.251.82.125
145 2026-08-26 12:24 639233434974187439
194 ms 162.251.82.252
144 2026-08-26 12:06 639233424567558554
138 ms 162.251.82.125
143 2026-08-26 12:06 639233424567558554
138 ms 162.251.82.252
142 2026-08-26 12:06 639233424567558554
138 ms 162.251.82.124
141 2026-08-26 12:06 639233424567558554
138 ms 162.251.82.253
140 2026-08-26 11:49 639233414056832719
168 ms 162.251.82.253
139 2026-08-26 11:49 639233414056832719
168 ms 162.251.82.124
138 2026-08-26 11:49 639233414056832719
168 ms 162.251.82.252
137 2026-08-26 11:49 639233414056832719
168 ms 162.251.82.125
136 2026-08-26 11:31 639233403515141099
344 ms 162.251.82.253
135 2026-08-26 11:31 639233403515141099
344 ms 162.251.82.124
134 2026-08-26 11:31 639233403515141099
344 ms 162.251.82.252
133 2026-08-26 11:31 639233403515141099
344 ms 162.251.82.125
132 2026-08-26 10:37 639233370841350248
37 ms 162.251.82.253
131 2026-08-26 10:37 639233370841350248
37 ms 162.251.82.125
130 2026-08-26 10:37 639233370841350248
37 ms 162.251.82.124
129 2026-08-26 10:37 639233370841350248
37 ms 162.251.82.252
128 2026-08-26 10:19 639233360361507238
159 ms 162.251.82.253
127 2026-08-26 10:19 639233360361507238
159 ms 162.251.82.252
126 2026-08-26 10:19 639233360361507238
159 ms 162.251.82.125
125 2026-08-26 10:19 639233360361507238
159 ms 162.251.82.124
124 2026-08-26 10:02 639233350067824371
7 ms 162.251.82.125
123 2026-08-26 10:02 639233350067824371
7 ms 162.251.82.124
122 2026-08-26 10:02 639233350067824371
7 ms 162.251.82.252
121 2026-08-26 10:02 639233350067824371
7 ms 162.251.82.253
120 2026-08-26 09:45 639233339545274518
2016 ms 162.251.82.252
119 2026-08-26 09:45 639233339545274518
2016 ms 162.251.82.124
118 2026-08-26 09:45 639233339545274518
2016 ms 162.251.82.253
117 2026-08-26 09:45 639233339545274518
2016 ms 162.251.82.125
116 2026-08-26 09:27 639233329214918079
119 ms 162.251.82.252
115 2026-08-26 09:27 639233329214918079
119 ms 162.251.82.124
114 2026-08-26 09:27 639233329214918079
119 ms 162.251.82.253
113 2026-08-26 09:27 639233329214918079
119 ms 162.251.82.125
112 2026-08-26 09:10 639233318749762337
9 ms 162.251.82.125
111 2026-08-26 09:10 639233318749762337
9 ms 162.251.82.124
110 2026-08-26 09:10 639233318749762337
9 ms 162.251.82.252
109 2026-08-26 09:10 639233318749762337
9 ms 162.251.82.253
108 2026-08-26 08:53 639233308387917838
46 ms 162.251.82.125
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46 ms 162.251.82.124
106 2026-08-26 08:53 639233308387917838
46 ms 162.251.82.252
105 2026-08-26 08:53 639233308387917838
46 ms 162.251.82.253
104 2026-08-26 08:35 639233297961740122
146 ms 162.251.82.125
103 2026-08-26 08:35 639233297961740122
146 ms 162.251.82.124
102 2026-08-26 08:35 639233297961740122
146 ms 162.251.82.253
101 2026-08-26 08:35 639233297961740122
146 ms 162.251.82.252
100 2026-08-26 08:18 639233287487159094
163 ms 162.251.82.253
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163 ms 162.251.82.252
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163 ms 162.251.82.124
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163 ms 162.251.82.125
96 2026-08-26 08:00 639233276995531707
26 ms 162.251.82.125
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26 ms 162.251.82.124
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26 ms 162.251.82.252
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26 ms 162.251.82.253
92 2026-08-26 07:43 639233266521568229
368 ms 162.251.82.124
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368 ms 162.251.82.125
90 2026-08-26 07:43 639233266521568229
368 ms 162.251.82.252
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368 ms 162.251.82.253
88 2026-08-26 07:25 639233256081047431
8 ms 162.251.82.125
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8 ms 162.251.82.124
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8 ms 162.251.82.252
85 2026-08-26 07:25 639233256081047431
8 ms 162.251.82.253
84 2026-08-26 06:31 639233223620132921
57 ms 162.251.82.253
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57 ms 162.251.82.252
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57 ms 162.251.82.124
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57 ms 162.251.82.125
80 2026-08-26 06:14 639233213287814244
2030 ms 162.251.82.125
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2030 ms 162.251.82.253
76 2026-08-26 05:57 639233202925983161
321 ms 162.251.82.125
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72 2026-08-26 05:40 639233192644780696
38 ms 162.251.82.253
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38 ms 162.251.82.124
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38 ms 162.251.82.125
68 2026-08-26 05:23 639233182401183833
2016 ms 162.251.82.252
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2016 ms 162.251.82.125
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221 ms 162.251.82.253
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60 2026-08-26 04:48 639233161808421455
331 ms 162.251.82.253
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331 ms 162.251.82.125
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331 ms 162.251.82.124
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331 ms 162.251.82.252
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2015 ms 162.251.82.124
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2015 ms 162.251.82.125
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2015 ms 162.251.82.253
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57 ms 162.251.82.124
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48 2026-08-26 03:57 639233130828334142
8 ms 162.251.82.252
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8 ms 162.251.82.253
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44 2026-08-26 03:39 639233120373450007
2137 ms 162.251.82.252
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2137 ms 162.251.82.125
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2137 ms 162.251.82.253
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2137 ms 162.251.82.124
40 2026-08-26 03:22 639233110066216193
186 ms 162.251.82.125
39 2026-08-26 03:22 639233110066216193
186 ms 162.251.82.124
38 2026-08-26 03:22 639233110066216193
186 ms 162.251.82.253
37 2026-08-26 03:22 639233110066216193
186 ms 162.251.82.252
36 2026-08-26 02:29 639233078065410564
184 ms 162.251.82.124
35 2026-08-26 02:29 639233078065410564
184 ms 162.251.82.252
34 2026-08-26 02:29 639233078065410564
184 ms 162.251.82.253
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184 ms 162.251.82.125
32 2026-08-26 02:12 639233067787457832
514 ms 162.251.82.252
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514 ms 162.251.82.124
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514 ms 162.251.82.125
29 2026-08-26 02:12 639233067787457832
514 ms 162.251.82.253
28 2026-08-26 01:55 639233057501801162
2 ms 162.251.82.124
27 2026-08-26 01:55 639233057501801162
2 ms 162.251.82.253
26 2026-08-26 01:55 639233057501801162
2 ms 162.251.82.125
25 2026-08-26 01:55 639233057501801162
2 ms 162.251.82.252
24 2026-08-26 01:37 639233047089431703
4 ms 162.251.82.253
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4 ms 162.251.82.125
22 2026-08-26 01:37 639233047089431703
4 ms 162.251.82.252
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4 ms 162.251.82.124
20 2026-08-26 01:20 639233036754790688
75 ms 162.251.82.125
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75 ms 162.251.82.252
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75 ms 162.251.82.253
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75 ms 162.251.82.124
16 2026-08-26 01:03 639233026412602472
3 ms 162.251.82.252
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3 ms 162.251.82.124
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3 ms 162.251.82.253
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3 ms 162.251.82.125
12 2026-08-26 00:45 639233016064066127
31 ms 162.251.82.124
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31 ms 162.251.82.253
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31 ms 162.251.82.125
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31 ms 162.251.82.252
8 2026-08-26 00:28 639233005922655772
41 ms 162.251.82.253
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41 ms 162.251.82.124
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41 ms 162.251.82.252
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41 ms 162.251.82.125
4 2026-08-26 00:11 639232995672256907
198 ms 162.251.82.252
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198 ms 162.251.82.125
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198 ms 162.251.82.124
1 2026-08-26 00:11 639232995672256907
198 ms 162.251.82.253