DNS response history for cssu46.cs.ust.hk

cssu46.cs.ust.hk 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 69 DNS check records, 69 successful responses, 0 failed responses, and 607 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 cssu46.cs.ust.hk.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

607 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

143.89.40.46

Most recently resolved hosting IP on selected date

Successful Responses

69

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 cssu46.cs.ust.hk

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
69 2026-08-25 23:46 639232974980190573
1069 ms 143.89.40.46
68 2026-08-25 23:28 639232964577050707
1081 ms 143.89.40.46
67 2026-08-25 22:34 639232932163142799
498 ms 143.89.40.46
66 2026-08-25 22:17 639232921673215474
1089 ms 143.89.40.46
65 2026-08-25 22:00 639232911234504639
245 ms 143.89.40.46
64 2026-08-25 21:42 639232900747078453
1069 ms 143.89.40.46
63 2026-08-25 21:25 639232890389222534
1069 ms 143.89.40.46
62 2026-08-25 21:07 639232880143390843
493 ms 143.89.40.46
61 2026-08-25 20:50 639232869755024069
1105 ms 143.89.40.46
60 2026-08-25 20:33 639232859355940346
490 ms 143.89.40.46
59 2026-08-25 20:16 639232848992244953
497 ms 143.89.40.46
58 2026-08-25 19:58 639232838596478500
492 ms 143.89.40.46
57 2026-08-25 19:41 639232828175327683
497 ms 143.89.40.46
56 2026-08-25 19:24 639232817798330473
492 ms 143.89.40.46
55 2026-08-25 18:30 639232785462407552
5 ms 143.89.40.46
54 2026-08-25 18:13 639232775177487032
1098 ms 143.89.40.46
53 2026-08-25 17:56 639232764991087115
1072 ms 143.89.40.46
52 2026-08-25 17:39 639232754842971478
1068 ms 143.89.40.46
51 2026-08-25 17:22 639232744455159107
1114 ms 143.89.40.46
50 2026-08-25 17:04 639232734145178231
243 ms 143.89.40.46
49 2026-08-25 16:47 639232723827874402
494 ms 143.89.40.46
48 2026-08-25 16:30 639232713533011892
1067 ms 143.89.40.46
47 2026-08-25 16:13 639232703065318207
537 ms 143.89.40.46
46 2026-08-25 15:55 639232692629559470
500 ms 143.89.40.46
45 2026-08-25 15:38 639232682238836475
1107 ms 143.89.40.46
44 2026-08-25 15:20 639232671787004306
1087 ms 143.89.40.46
43 2026-08-25 14:26 639232638994329666
5 ms 143.89.40.46
42 2026-08-25 14:09 639232628614783237
497 ms 143.89.40.46
41 2026-08-25 13:51 639232618360728578
493 ms 143.89.40.46
40 2026-08-25 13:34 639232608016476376
1101 ms 143.89.40.46
39 2026-08-25 13:17 639232597643611557
1395 ms 143.89.40.46
38 2026-08-25 13:00 639232587225721862
1085 ms 143.89.40.46
37 2026-08-25 12:42 639232576780683689
1107 ms 143.89.40.46
36 2026-08-25 12:25 639232566381512620
1134 ms 143.89.40.46
35 2026-08-25 12:08 639232556111768563
255 ms 143.89.40.46
34 2026-08-25 11:50 639232545839529039
495 ms 143.89.40.46
33 2026-08-25 11:33 639232535349285207
498 ms 143.89.40.46
32 2026-08-25 11:16 639232524938080723
504 ms 143.89.40.46
31 2026-08-25 10:22 639232492740373468
5 ms 143.89.40.46
30 2026-08-25 10:05 639232482235303141
523 ms 143.89.40.46
29 2026-08-25 09:47 639232471861770303
1077 ms 143.89.40.46
28 2026-08-25 09:30 639232461630217327
494 ms 143.89.40.46
27 2026-08-25 09:13 639232451282965990
497 ms 143.89.40.46
26 2026-08-25 08:56 639232440814614938
2 ms 143.89.40.46
25 2026-08-25 08:38 639232430410720425
3 ms 143.89.40.46
24 2026-08-25 08:21 639232420003096185
1103 ms 143.89.40.46
23 2026-08-25 08:03 639232409467287444
1210 ms 143.89.40.46
22 2026-08-25 07:46 639232399077195997
492 ms 143.89.40.46
21 2026-08-25 07:29 639232388731528337
5 ms 143.89.40.46
20 2026-08-25 07:11 639232378288598612
1099 ms 143.89.40.46
19 2026-08-25 06:17 639232346196373643
3 ms 143.89.40.46
18 2026-08-25 06:01 639232336112370741
3 ms 143.89.40.46
17 2026-08-25 05:44 639232326146508970
3 ms 143.89.40.46
16 2026-08-25 05:27 639232316189381720
503 ms 143.89.40.46
15 2026-08-25 05:11 639232306217998913
2 ms 143.89.40.46
14 2026-08-25 04:54 639232296255744174
249 ms 143.89.40.46
13 2026-08-25 04:37 639232286095760789
497 ms 143.89.40.46
12 2026-08-25 04:20 639232276086186273
492 ms 143.89.40.46
11 2026-08-25 04:04 639232265900986425
2 ms 143.89.40.46
10 2026-08-25 03:47 639232255723518075
492 ms 143.89.40.46
9 2026-08-25 03:30 639232245484452890
2 ms 143.89.40.46
8 2026-08-25 03:13 639232235157175331
486 ms 143.89.40.46
7 2026-08-25 02:19 639232203197189095
2 ms 143.89.40.46
6 2026-08-25 02:02 639232192844564298
1227 ms 143.89.40.46
5 2026-08-25 01:45 639232182496008942
496 ms 143.89.40.46
4 2026-08-25 01:28 639232172197053132
1133 ms 143.89.40.46
3 2026-08-25 00:34 639232140250307418
2 ms 143.89.40.46
2 2026-08-25 00:17 639232129927860324
1133 ms 143.89.40.46
1 2026-08-25 00:00 639232119551972438
503 ms 143.89.40.46