History for dns2.sada.edu.cn
Domain: sada.edu.cn • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns2.sada.edu.cn
dns2.sada.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 55 DNS check records, 55 successful responses, 0 failed responses, and 766 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 dns2.sada.edu.cn.
Records on Selected Date
55
Historical checks stored for this nameserver on selected date
Average Latency
766 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 18:30
All timestamps shown in UTC
Latest Resolved IP on Selected Date
42.247.23.98
Most recently resolved hosting IP on selected date
Successful Responses
55
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 dns2.sada.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 |
|---|---|---|---|---|---|
| 55 | 2026-08-25 18:30 | 639232785462407552 |
|
740 ms | 42.247.23.98 |
| 54 | 2026-08-25 18:13 | 639232775177487032 |
|
5 ms | 42.247.23.98 |
| 53 | 2026-08-25 17:56 | 639232764991087115 |
|
4 ms | 42.247.23.98 |
| 52 | 2026-08-25 17:39 | 639232754842971478 |
|
1242 ms | 42.247.23.98 |
| 51 | 2026-08-25 17:22 | 639232744455159107 |
|
242 ms | 42.247.23.98 |
| 50 | 2026-08-25 17:05 | 639232734145178231 |
|
1194 ms | 42.247.23.98 |
| 49 | 2026-08-25 16:47 | 639232723827874402 |
|
820 ms | 42.247.23.98 |
| 48 | 2026-08-25 16:30 | 639232713533011892 |
|
239 ms | 42.247.23.98 |
| 47 | 2026-08-25 16:13 | 639232703065318207 |
|
754 ms | 42.247.23.98 |
| 46 | 2026-08-25 15:56 | 639232692629559470 |
|
693 ms | 42.247.23.98 |
| 45 | 2026-08-25 15:38 | 639232682238836475 |
|
686 ms | 42.247.23.98 |
| 44 | 2026-08-25 15:21 | 639232671787004306 |
|
688 ms | 42.247.23.98 |
| 43 | 2026-08-25 14:26 | 639232638994329666 |
|
1709 ms | 42.247.23.98 |
| 42 | 2026-08-25 14:09 | 639232628614783237 |
|
242 ms | 42.247.23.98 |
| 41 | 2026-08-25 13:52 | 639232618360728578 |
|
247 ms | 42.247.23.98 |
| 40 | 2026-08-25 13:34 | 639232608016476376 |
|
803 ms | 42.247.23.98 |
| 39 | 2026-08-25 13:17 | 639232597643611557 |
|
10 ms | 42.247.23.98 |
| 38 | 2026-08-25 13:00 | 639232587225721862 |
|
2745 ms | 42.247.23.98 |
| 37 | 2026-08-25 12:42 | 639232576780683689 |
|
1479 ms | 42.247.23.98 |
| 36 | 2026-08-25 12:25 | 639232566381512620 |
|
733 ms | 42.247.23.98 |
| 35 | 2026-08-25 12:08 | 639232556111768563 |
|
704 ms | 42.247.23.98 |
| 34 | 2026-08-25 11:51 | 639232545839529039 |
|
710 ms | 42.247.23.98 |
| 33 | 2026-08-25 11:34 | 639232535349285207 |
|
818 ms | 42.247.23.98 |
| 32 | 2026-08-25 11:16 | 639232524938080723 |
|
703 ms | 42.247.23.98 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
235 ms | 42.247.23.98 |
| 30 | 2026-08-25 10:05 | 639232482235303141 |
|
1312 ms | 42.247.23.98 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
733 ms | 42.247.23.98 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
810 ms | 42.247.23.98 |
| 27 | 2026-08-25 09:13 | 639232451282965990 |
|
251 ms | 42.247.23.98 |
| 26 | 2026-08-25 08:56 | 639232440814614938 |
|
245 ms | 42.247.23.98 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
832 ms | 42.247.23.98 |
| 24 | 2026-08-25 08:21 | 639232420003096185 |
|
813 ms | 42.247.23.98 |
| 23 | 2026-08-25 08:04 | 639232409467287444 |
|
259 ms | 42.247.23.98 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
796 ms | 42.247.23.98 |
| 21 | 2026-08-25 07:29 | 639232388731528337 |
|
243 ms | 42.247.23.98 |
| 20 | 2026-08-25 07:12 | 639232378288598612 |
|
2708 ms | 42.247.23.98 |
| 19 | 2026-08-25 06:18 | 639232346196373643 |
|
488 ms | 42.247.23.98 |
| 18 | 2026-08-25 06:01 | 639232336112370741 |
|
686 ms | 42.247.23.98 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
1200 ms | 42.247.23.98 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
751 ms | 42.247.23.98 |
| 15 | 2026-08-25 05:11 | 639232306217998913 |
|
1756 ms | 42.247.23.98 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
3 ms | 42.247.23.98 |
| 13 | 2026-08-25 04:38 | 639232286095760789 |
|
305 ms | 42.247.23.98 |
| 12 | 2026-08-25 04:21 | 639232276086186273 |
|
3 ms | 42.247.23.98 |
| 11 | 2026-08-25 04:04 | 639232265900986425 |
|
1496 ms | 42.247.23.98 |
| 10 | 2026-08-25 03:47 | 639232255723518075 |
|
706 ms | 42.247.23.98 |
| 9 | 2026-08-25 03:30 | 639232245484452890 |
|
2561 ms | 42.247.23.98 |
| 8 | 2026-08-25 03:13 | 639232235157175331 |
|
695 ms | 42.247.23.98 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
808 ms | 42.247.23.98 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
755 ms | 42.247.23.98 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
684 ms | 42.247.23.98 |
| 4 | 2026-08-25 01:28 | 639232172197053132 |
|
694 ms | 42.247.23.98 |
| 3 | 2026-08-25 00:34 | 639232140250307418 |
|
268 ms | 42.247.23.98 |
| 2 | 2026-08-25 00:18 | 639232129927860324 |
|
506 ms | 42.247.23.98 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
295 ms | 42.247.23.98 |