History for ultcs001.ul.ac.za
Domain: ul.ac.za • Tracking since 2026-08-04 23:25 UTC
DNS response history for ultcs001.ul.ac.za
ultcs001.ul.ac.za 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 60 DNS check records, 60 successful responses, 0 failed responses, and 487 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 ultcs001.ul.ac.za.
Records on Selected Date
60
Historical checks stored for this nameserver on selected date
Average Latency
487 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 20:49
All timestamps shown in UTC
Latest Resolved IP on Selected Date
196.21.218.28
Most recently resolved hosting IP on selected date
Successful Responses
60
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 ultcs001.ul.ac.za
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 |
|---|---|---|---|---|---|
| 60 | 2026-08-25 20:49 | 639232869755024069 |
|
395 ms | 196.21.218.28 |
| 59 | 2026-08-25 20:32 | 639232859355940346 |
|
398 ms | 196.21.218.28 |
| 58 | 2026-08-25 20:15 | 639232848992244953 |
|
400 ms | 196.21.218.28 |
| 57 | 2026-08-25 19:58 | 639232838596478500 |
|
397 ms | 196.21.218.28 |
| 56 | 2026-08-25 19:40 | 639232828175327683 |
|
398 ms | 196.21.218.28 |
| 55 | 2026-08-25 19:23 | 639232817798330473 |
|
308 ms | 196.21.218.28 |
| 54 | 2026-08-25 18:29 | 639232785462407552 |
|
397 ms | 196.21.218.28 |
| 53 | 2026-08-25 18:12 | 639232775177487032 |
|
403 ms | 196.21.218.28 |
| 52 | 2026-08-25 17:55 | 639232764991087115 |
|
397 ms | 196.21.218.28 |
| 51 | 2026-08-25 17:38 | 639232754842971478 |
|
395 ms | 196.21.218.28 |
| 50 | 2026-08-25 17:21 | 639232744455159107 |
|
502 ms | 196.21.218.28 |
| 49 | 2026-08-25 17:03 | 639232734145178231 |
|
355 ms | 196.21.218.28 |
| 48 | 2026-08-25 16:46 | 639232723827874402 |
|
395 ms | 196.21.218.28 |
| 47 | 2026-08-25 16:29 | 639232713533011892 |
|
771 ms | 196.21.218.28 |
| 46 | 2026-08-25 16:12 | 639232703065318207 |
|
218 ms | 196.21.218.28 |
| 45 | 2026-08-25 15:54 | 639232692629559470 |
|
399 ms | 196.21.218.28 |
| 44 | 2026-08-25 15:37 | 639232682238836475 |
|
768 ms | 196.21.218.28 |
| 43 | 2026-08-25 15:20 | 639232671787004306 |
|
584 ms | 196.21.218.28 |
| 42 | 2026-08-25 14:25 | 639232638994329666 |
|
406 ms | 196.21.218.28 |
| 41 | 2026-08-25 14:08 | 639232628614783237 |
|
781 ms | 196.21.218.28 |
| 40 | 2026-08-25 13:50 | 639232618360728578 |
|
770 ms | 196.21.218.28 |
| 39 | 2026-08-25 13:33 | 639232608016476376 |
|
401 ms | 196.21.218.28 |
| 38 | 2026-08-25 13:16 | 639232597643611557 |
|
569 ms | 196.21.218.28 |
| 37 | 2026-08-25 12:59 | 639232587225721862 |
|
398 ms | 196.21.218.28 |
| 36 | 2026-08-25 12:41 | 639232576780683689 |
|
395 ms | 196.21.218.28 |
| 35 | 2026-08-25 12:24 | 639232566381512620 |
|
398 ms | 196.21.218.28 |
| 34 | 2026-08-25 12:07 | 639232556111768563 |
|
400 ms | 196.21.218.28 |
| 33 | 2026-08-25 11:49 | 639232545839529039 |
|
396 ms | 196.21.218.28 |
| 32 | 2026-08-25 11:32 | 639232535349285207 |
|
398 ms | 196.21.218.28 |
| 31 | 2026-08-25 11:15 | 639232524938080723 |
|
768 ms | 196.21.218.28 |
| 30 | 2026-08-25 10:21 | 639232492740373468 |
|
763 ms | 196.21.218.28 |
| 29 | 2026-08-25 10:04 | 639232482235303141 |
|
770 ms | 196.21.218.28 |
| 28 | 2026-08-25 09:46 | 639232471861770303 |
|
946 ms | 196.21.218.28 |
| 27 | 2026-08-25 09:29 | 639232461630217327 |
|
774 ms | 196.21.218.28 |
| 26 | 2026-08-25 09:12 | 639232451282965990 |
|
576 ms | 196.21.218.28 |
| 25 | 2026-08-25 08:55 | 639232440814614938 |
|
402 ms | 196.21.218.28 |
| 24 | 2026-08-25 08:37 | 639232430410720425 |
|
580 ms | 196.21.218.28 |
| 23 | 2026-08-25 08:20 | 639232420003096185 |
|
410 ms | 196.21.218.28 |
| 22 | 2026-08-25 08:03 | 639232409467287444 |
|
400 ms | 196.21.218.28 |
| 21 | 2026-08-25 07:45 | 639232399077195997 |
|
398 ms | 196.21.218.28 |
| 20 | 2026-08-25 07:28 | 639232388731528337 |
|
399 ms | 196.21.218.28 |
| 19 | 2026-08-25 07:10 | 639232378288598612 |
|
395 ms | 196.21.218.28 |
| 18 | 2026-08-25 06:17 | 639232346196373643 |
|
399 ms | 196.21.218.28 |
| 17 | 2026-08-25 06:00 | 639232336112370741 |
|
215 ms | 196.21.218.28 |
| 16 | 2026-08-25 05:43 | 639232326146508970 |
|
400 ms | 196.21.218.28 |
| 15 | 2026-08-25 05:26 | 639232316189381720 |
|
400 ms | 196.21.218.28 |
| 14 | 2026-08-25 05:10 | 639232306217998913 |
|
397 ms | 196.21.218.28 |
| 13 | 2026-08-25 04:53 | 639232296255744174 |
|
401 ms | 196.21.218.28 |
| 12 | 2026-08-25 04:37 | 639232286095760789 |
|
249 ms | 196.21.218.28 |
| 11 | 2026-08-25 04:20 | 639232276086186273 |
|
404 ms | 196.21.218.28 |
| 10 | 2026-08-25 04:03 | 639232265900986425 |
|
397 ms | 196.21.218.28 |
| 9 | 2026-08-25 03:46 | 639232255723518075 |
|
396 ms | 196.21.218.28 |
| 8 | 2026-08-25 03:29 | 639232245484452890 |
|
398 ms | 196.21.218.28 |
| 7 | 2026-08-25 03:12 | 639232235157175331 |
|
1012 ms | 196.21.218.28 |
| 6 | 2026-08-25 02:18 | 639232203197189095 |
|
397 ms | 196.21.218.28 |
| 5 | 2026-08-25 02:01 | 639232192844564298 |
|
510 ms | 196.21.218.28 |
| 4 | 2026-08-25 01:44 | 639232182496008942 |
|
400 ms | 196.21.218.28 |
| 3 | 2026-08-25 01:27 | 639232172197053132 |
|
569 ms | 196.21.218.28 |
| 2 | 2026-08-25 00:33 | 639232140250307418 |
|
580 ms | 196.21.218.28 |
| 1 | 2026-08-25 00:17 | 639232129927860324 |
|
944 ms | 196.21.218.28 |