History for ultra1.lntu.edu.cn
Domain: lntu.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for ultra1.lntu.edu.cn
ultra1.lntu.edu.cn 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 2026-08-25. For this date, NameServerHistory found 67 DNS check records, 67 successful responses, 0 failed responses, and 292 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 ultra1.lntu.edu.cn.
Records on Selected Date
67
Historical checks stored for this nameserver on selected date
Average Latency
292 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 22:34
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.199.224.1
Most recently resolved hosting IP on selected date
Successful Responses
67
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 ultra1.lntu.edu.cn
Showing DNS history for 2026-08-25 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 |
|---|---|---|---|---|---|
| 67 | 2026-08-25 22:34 | 639232932163142799 |
|
175 ms | 202.199.224.1 |
| 66 | 2026-08-25 22:17 | 639232921673215474 |
|
205 ms | 202.199.224.1 |
| 65 | 2026-08-25 21:59 | 639232911234504639 |
|
693 ms | 202.199.224.1 |
| 64 | 2026-08-25 21:42 | 639232900747078453 |
|
268 ms | 202.199.224.1 |
| 63 | 2026-08-25 21:24 | 639232890389222534 |
|
230 ms | 202.199.224.1 |
| 62 | 2026-08-25 21:07 | 639232880143390843 |
|
723 ms | 202.199.224.1 |
| 61 | 2026-08-25 20:50 | 639232869755024069 |
|
214 ms | 202.199.224.1 |
| 60 | 2026-08-25 20:33 | 639232859355940346 |
|
257 ms | 202.199.224.1 |
| 59 | 2026-08-25 20:15 | 639232848992244953 |
|
228 ms | 202.199.224.1 |
| 58 | 2026-08-25 19:58 | 639232838596478500 |
|
743 ms | 202.199.224.1 |
| 57 | 2026-08-25 19:41 | 639232828175327683 |
|
220 ms | 202.199.224.1 |
| 56 | 2026-08-25 19:23 | 639232817798330473 |
|
240 ms | 202.199.224.1 |
| 55 | 2026-08-25 18:29 | 639232785462407552 |
|
195 ms | 202.199.224.1 |
| 54 | 2026-08-25 18:12 | 639232775177487032 |
|
289 ms | 202.199.224.1 |
| 53 | 2026-08-25 17:55 | 639232764991087115 |
|
201 ms | 202.199.224.1 |
| 52 | 2026-08-25 17:38 | 639232754842971478 |
|
210 ms | 202.199.224.1 |
| 51 | 2026-08-25 17:21 | 639232744455159107 |
|
227 ms | 202.199.224.1 |
| 50 | 2026-08-25 17:04 | 639232734145178231 |
|
201 ms | 202.199.224.1 |
| 49 | 2026-08-25 16:47 | 639232723827874402 |
|
231 ms | 202.199.224.1 |
| 48 | 2026-08-25 16:30 | 639232713533011892 |
|
247 ms | 202.199.224.1 |
| 47 | 2026-08-25 16:12 | 639232703065318207 |
|
196 ms | 202.199.224.1 |
| 46 | 2026-08-25 15:55 | 639232692629559470 |
|
239 ms | 202.199.224.1 |
| 45 | 2026-08-25 15:38 | 639232682238836475 |
|
296 ms | 202.199.224.1 |
| 44 | 2026-08-25 15:20 | 639232671787004306 |
|
243 ms | 202.199.224.1 |
| 43 | 2026-08-25 14:25 | 639232638994329666 |
|
239 ms | 202.199.224.1 |
| 42 | 2026-08-25 14:08 | 639232628614783237 |
|
4 ms | 202.199.224.1 |
| 41 | 2026-08-25 13:51 | 639232618360728578 |
|
196 ms | 202.199.224.1 |
| 40 | 2026-08-25 13:34 | 639232608016476376 |
|
295 ms | 202.199.224.1 |
| 39 | 2026-08-25 13:17 | 639232597643611557 |
|
260 ms | 202.199.224.1 |
| 38 | 2026-08-25 12:59 | 639232587225721862 |
|
282 ms | 202.199.224.1 |
| 37 | 2026-08-25 12:42 | 639232576780683689 |
|
261 ms | 202.199.224.1 |
| 36 | 2026-08-25 12:24 | 639232566381512620 |
|
280 ms | 202.199.224.1 |
| 35 | 2026-08-25 12:07 | 639232556111768563 |
|
174 ms | 202.199.224.1 |
| 34 | 2026-08-25 11:50 | 639232545839529039 |
|
175 ms | 202.199.224.1 |
| 33 | 2026-08-25 11:33 | 639232535349285207 |
|
255 ms | 202.199.224.1 |
| 32 | 2026-08-25 11:15 | 639232524938080723 |
|
247 ms | 202.199.224.1 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
260 ms | 202.199.224.1 |
| 30 | 2026-08-25 10:04 | 639232482235303141 |
|
270 ms | 202.199.224.1 |
| 29 | 2026-08-25 09:47 | 639232471861770303 |
|
283 ms | 202.199.224.1 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
187 ms | 202.199.224.1 |
| 27 | 2026-08-25 09:13 | 639232451282965990 |
|
197 ms | 202.199.224.1 |
| 26 | 2026-08-25 08:55 | 639232440814614938 |
|
281 ms | 202.199.224.1 |
| 25 | 2026-08-25 08:38 | 639232430410720425 |
|
275 ms | 202.199.224.1 |
| 24 | 2026-08-25 08:21 | 639232420003096185 |
|
248 ms | 202.199.224.1 |
| 23 | 2026-08-25 08:03 | 639232409467287444 |
|
272 ms | 202.199.224.1 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
176 ms | 202.199.224.1 |
| 21 | 2026-08-25 07:28 | 639232388731528337 |
|
206 ms | 202.199.224.1 |
| 20 | 2026-08-25 07:11 | 639232378288598612 |
|
179 ms | 202.199.224.1 |
| 19 | 2026-08-25 06:17 | 639232346196373643 |
|
171 ms | 202.199.224.1 |
| 18 | 2026-08-25 06:00 | 639232336112370741 |
|
215 ms | 202.199.224.1 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
4 ms | 202.199.224.1 |
| 16 | 2026-08-25 05:27 | 639232316189381720 |
|
272 ms | 202.199.224.1 |
| 15 | 2026-08-25 05:11 | 639232306217998913 |
|
242 ms | 202.199.224.1 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
252 ms | 202.199.224.1 |
| 13 | 2026-08-25 04:37 | 639232286095760789 |
|
253 ms | 202.199.224.1 |
| 12 | 2026-08-25 04:20 | 639232276086186273 |
|
177 ms | 202.199.224.1 |
| 11 | 2026-08-25 04:03 | 639232265900986425 |
|
227 ms | 202.199.224.1 |
| 10 | 2026-08-25 03:47 | 639232255723518075 |
|
2 ms | 202.199.224.1 |
| 9 | 2026-08-25 03:29 | 639232245484452890 |
|
276 ms | 202.199.224.1 |
| 8 | 2026-08-25 03:12 | 639232235157175331 |
|
285 ms | 202.199.224.1 |
| 7 | 2026-08-25 02:19 | 639232203197189095 |
|
177 ms | 202.199.224.1 |
| 6 | 2026-08-25 02:02 | 639232192844564298 |
|
2788 ms | 202.199.224.1 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
295 ms | 202.199.224.1 |
| 4 | 2026-08-25 01:27 | 639232172197053132 |
|
259 ms | 202.199.224.1 |
| 3 | 2026-08-25 00:34 | 639232140250307418 |
|
777 ms | 202.199.224.1 |
| 2 | 2026-08-25 00:17 | 639232129927860324 |
|
233 ms | 202.199.224.1 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
196 ms | 202.199.224.1 |