DNS response history for ns21.serverhs.org

ns21.serverhs.org 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 289 DNS check records, 288 successful responses, 1 failed responses, and 165 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 ns21.serverhs.org.
Records on Selected Date

289

Historical checks stored for this nameserver on selected date

Average Latency

165 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

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

288

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 ns21.serverhs.org

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
289 2026-08-21 23:48 639229527598660841
-
288 2026-08-21 23:32 639229517954323214
9 ms 162.251.82.121
287 2026-08-21 23:32 639229517954323214
9 ms 162.251.82.248
286 2026-08-21 23:32 639229517954323214
9 ms 162.251.82.120
285 2026-08-21 23:32 639229517954323214
9 ms 162.251.82.249
284 2026-08-21 23:16 639229508269999021
5 ms 162.251.82.121
283 2026-08-21 23:16 639229508269999021
5 ms 162.251.82.248
282 2026-08-21 23:16 639229508269999021
5 ms 162.251.82.120
281 2026-08-21 23:16 639229508269999021
5 ms 162.251.82.249
280 2026-08-21 23:00 639229498559060171
29 ms 162.251.82.120
279 2026-08-21 23:00 639229498559060171
29 ms 162.251.82.248
278 2026-08-21 23:00 639229498559060171
29 ms 162.251.82.249
277 2026-08-21 23:00 639229498559060171
29 ms 162.251.82.121
276 2026-08-21 22:43 639229488519347586
25 ms 162.251.82.121
275 2026-08-21 22:43 639229488519347586
25 ms 162.251.82.248
274 2026-08-21 22:43 639229488519347586
25 ms 162.251.82.120
273 2026-08-21 22:43 639229488519347586
25 ms 162.251.82.249
272 2026-08-21 21:50 639229456606578934
5 ms 162.251.82.120
271 2026-08-21 21:50 639229456606578934
5 ms 162.251.82.248
270 2026-08-21 21:50 639229456606578934
5 ms 162.251.82.121
269 2026-08-21 21:50 639229456606578934
5 ms 162.251.82.249
268 2026-08-21 21:34 639229446985772499
19 ms 162.251.82.249
267 2026-08-21 21:34 639229446985772499
19 ms 162.251.82.121
266 2026-08-21 21:34 639229446985772499
19 ms 162.251.82.248
265 2026-08-21 21:34 639229446985772499
19 ms 162.251.82.120
264 2026-08-21 21:18 639229437367313098
68 ms 162.251.82.121
263 2026-08-21 21:18 639229437367313098
68 ms 162.251.82.249
262 2026-08-21 21:18 639229437367313098
68 ms 162.251.82.248
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68 ms 162.251.82.120
260 2026-08-21 21:02 639229427923950391
23 ms 162.251.82.121
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23 ms 162.251.82.248
258 2026-08-21 21:02 639229427923950391
23 ms 162.251.82.120
257 2026-08-21 21:02 639229427923950391
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256 2026-08-21 20:46 639229418168588854
15 ms 162.251.82.121
255 2026-08-21 20:46 639229418168588854
15 ms 162.251.82.249
254 2026-08-21 20:46 639229418168588854
15 ms 162.251.82.120
253 2026-08-21 20:46 639229418168588854
15 ms 162.251.82.248
252 2026-08-21 20:29 639229408345678334
118 ms 162.251.82.120
251 2026-08-21 20:29 639229408345678334
118 ms 162.251.82.249
250 2026-08-21 20:29 639229408345678334
118 ms 162.251.82.121
249 2026-08-21 20:29 639229408345678334
118 ms 162.251.82.248
248 2026-08-21 20:13 639229398616354648
24 ms 162.251.82.249
247 2026-08-21 20:13 639229398616354648
24 ms 162.251.82.248
246 2026-08-21 20:13 639229398616354648
24 ms 162.251.82.121
245 2026-08-21 20:13 639229398616354648
24 ms 162.251.82.120
244 2026-08-21 19:57 639229388634592323
21 ms 162.251.82.249
243 2026-08-21 19:57 639229388634592323
21 ms 162.251.82.248
242 2026-08-21 19:57 639229388634592323
21 ms 162.251.82.120
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240 2026-08-21 19:40 639229378792837692
9 ms 162.251.82.249
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9 ms 162.251.82.120
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236 2026-08-21 19:24 639229369154682311
22 ms 162.251.82.120
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22 ms 162.251.82.121
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22 ms 162.251.82.249
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22 ms 162.251.82.248
232 2026-08-21 19:07 639229359248017926
48 ms 162.251.82.249
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48 ms 162.251.82.248
230 2026-08-21 19:07 639229359248017926
48 ms 162.251.82.120
229 2026-08-21 19:07 639229359248017926
48 ms 162.251.82.121
228 2026-08-21 18:51 639229349124294642
158 ms 162.251.82.248
227 2026-08-21 18:51 639229349124294642
158 ms 162.251.82.121
226 2026-08-21 18:51 639229349124294642
158 ms 162.251.82.120
225 2026-08-21 18:51 639229349124294642
158 ms 162.251.82.249
224 2026-08-21 17:58 639229317791715692
51 ms 162.251.82.120
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51 ms 162.251.82.121
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51 ms 162.251.82.249
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51 ms 162.251.82.248
220 2026-08-21 17:42 639229308115194575
2019 ms 162.251.82.248
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2019 ms 162.251.82.120
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2019 ms 162.251.82.121
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2019 ms 162.251.82.249
216 2026-08-21 17:26 639229298320320558
49 ms 162.251.82.248
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49 ms 162.251.82.120
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49 ms 162.251.82.249
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49 ms 162.251.82.121
212 2026-08-21 17:10 639229288674863221
18 ms 162.251.82.248
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18 ms 162.251.82.120
210 2026-08-21 17:10 639229288674863221
18 ms 162.251.82.121
209 2026-08-21 17:10 639229288674863221
18 ms 162.251.82.249
208 2026-08-21 16:54 639229278983677079
32 ms 162.251.82.121
207 2026-08-21 16:54 639229278983677079
32 ms 162.251.82.249
206 2026-08-21 16:54 639229278983677079
32 ms 162.251.82.248
205 2026-08-21 16:54 639229278983677079
32 ms 162.251.82.120
204 2026-08-21 16:38 639229269405517175
53 ms 162.251.82.248
203 2026-08-21 16:38 639229269405517175
53 ms 162.251.82.121
202 2026-08-21 16:38 639229269405517175
53 ms 162.251.82.120
201 2026-08-21 16:38 639229269405517175
53 ms 162.251.82.249
200 2026-08-21 16:21 639229259594798244
40 ms 162.251.82.248
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40 ms 162.251.82.120
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40 ms 162.251.82.121
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40 ms 162.251.82.249
196 2026-08-21 16:05 639229249736681188
57 ms 162.251.82.248
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57 ms 162.251.82.120
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57 ms 162.251.82.249
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57 ms 162.251.82.121
192 2026-08-21 15:48 639229239699417787
70 ms 162.251.82.248
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70 ms 162.251.82.120
190 2026-08-21 15:48 639229239699417787
70 ms 162.251.82.121
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70 ms 162.251.82.249
188 2026-08-21 15:32 639229229621964033
14 ms 162.251.82.120
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184 2026-08-21 15:15 639229219567270965
56 ms 162.251.82.248
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56 ms 162.251.82.120
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180 2026-08-21 14:58 639229209406666856
28 ms 162.251.82.248
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28 ms 162.251.82.121
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28 ms 162.251.82.249
176 2026-08-21 14:05 639229177815876178
140 ms 162.251.82.249
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140 ms 162.251.82.120
174 2026-08-21 14:05 639229177815876178
140 ms 162.251.82.248
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140 ms 162.251.82.121
172 2026-08-21 13:49 639229168243572685
77 ms 162.251.82.248
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77 ms 162.251.82.120
170 2026-08-21 13:49 639229168243572685
77 ms 162.251.82.121
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77 ms 162.251.82.249
168 2026-08-21 13:33 639229158599856475
28 ms 162.251.82.249
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166 2026-08-21 13:33 639229158599856475
28 ms 162.251.82.120
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28 ms 162.251.82.121
164 2026-08-21 13:17 639229148998940902
2068 ms 162.251.82.248
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2068 ms 162.251.82.120
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160 2026-08-21 13:01 639229139276923594
251 ms 162.251.82.248
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251 ms 162.251.82.121
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251 ms 162.251.82.249
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251 ms 162.251.82.120
156 2026-08-21 12:45 639229129709912394
37 ms 162.251.82.121
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152 2026-08-21 12:28 639229119801488500
41 ms 162.251.82.121
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148 2026-08-21 12:12 639229110135262458
17 ms 162.251.82.120
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144 2026-08-21 11:56 639229100336051392
34 ms 162.251.82.120
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140 2026-08-21 11:40 639229090641415626
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136 2026-08-21 11:23 639229080702683947
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132 2026-08-21 11:06 639229070601456699
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128 2026-08-21 10:14 639229038947447232
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124 2026-08-21 09:58 639229029268708773
62 ms 162.251.82.249
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120 2026-08-21 09:42 639229019647910603
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56 2026-08-21 04:45 639228841479265462
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52 2026-08-21 04:28 639228831752962260
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44 2026-08-21 03:56 639228812227429953
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1 2026-08-21 00:00 639228670775860800
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