History for cssu46.cs.ust.hk

Domain: cs.ust.hk • Tracking since 2026-08-04 23:25 UTC

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 2026-08-22. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 685 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

73

Historical checks stored for this nameserver on selected date

Average Latency

685 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:44

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

73

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 2026-08-22 UTC. Newest records appear first.

Today Previous Next

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
73 2026-08-22 23:44 639230382051619327
2285 ms 143.89.40.46
72 2026-08-22 23:27 639230372323353529
723 ms 143.89.40.46
71 2026-08-22 23:11 639230362586451064
4 ms 143.89.40.46
70 2026-08-22 22:55 639230352793666303
3 ms 143.89.40.46
69 2026-08-22 22:38 639230342775737758
364 ms 143.89.40.46
68 2026-08-22 22:22 639230332639939561
728 ms 143.89.40.46
67 2026-08-22 21:29 639230301014190104
4 ms 143.89.40.46
66 2026-08-22 21:12 639230291048161498
712 ms 143.89.40.46
65 2026-08-22 20:55 639230280894353664
1532 ms 143.89.40.46
64 2026-08-22 20:39 639230270699419073
722 ms 143.89.40.46
63 2026-08-22 20:21 639230260248163050
733 ms 143.89.40.46
62 2026-08-22 20:04 639230250122494282
359 ms 143.89.40.46
61 2026-08-22 19:47 639230239972935046
712 ms 143.89.40.46
60 2026-08-22 19:30 639230229963262464
727 ms 143.89.40.46
59 2026-08-22 19:14 639230220033804658
720 ms 143.89.40.46
58 2026-08-22 18:57 639230209891107289
4 ms 143.89.40.46
57 2026-08-22 18:40 639230199630298717
723 ms 143.89.40.46
56 2026-08-22 18:23 639230189301984150
716 ms 143.89.40.46
55 2026-08-22 17:29 639230157138468804
2788 ms 143.89.40.46
54 2026-08-22 17:12 639230146987869495
1529 ms 143.89.40.46
53 2026-08-22 16:55 639230136768638516
722 ms 143.89.40.46
52 2026-08-22 16:38 639230126735907877
730 ms 143.89.40.46
51 2026-08-22 16:21 639230116551187768
7 ms 143.89.40.46
50 2026-08-22 16:05 639230106335615913
734 ms 143.89.40.46
49 2026-08-22 15:47 639230096177758176
3 ms 143.89.40.46
48 2026-08-22 15:31 639230086185999993
358 ms 143.89.40.46
47 2026-08-22 15:14 639230076247854903
714 ms 143.89.40.46
46 2026-08-22 14:57 639230066076077530
715 ms 143.89.40.46
45 2026-08-22 14:40 639230055738197328
728 ms 143.89.40.46
44 2026-08-22 14:23 639230045411225521
718 ms 143.89.40.46
43 2026-08-22 13:29 639230013046000470
835 ms 143.89.40.46
42 2026-08-22 13:12 639230003090037878
4 ms 143.89.40.46
41 2026-08-22 12:55 639229993008259475
718 ms 143.89.40.46
40 2026-08-22 12:39 639229982909449470
4 ms 143.89.40.46
39 2026-08-22 12:22 639229973035502212
1548 ms 143.89.40.46
38 2026-08-22 12:06 639229963064296145
1543 ms 143.89.40.46
37 2026-08-22 11:49 639229952996162143
721 ms 143.89.40.46
36 2026-08-22 11:32 639229943051949195
3 ms 143.89.40.46
35 2026-08-22 11:15 639229932919214934
2 ms 143.89.40.46
34 2026-08-22 10:59 639229922745889838
3 ms 143.89.40.46
33 2026-08-22 10:42 639229912587214796
723 ms 143.89.40.46
32 2026-08-22 10:24 639229902240004454
724 ms 143.89.40.46
31 2026-08-22 09:32 639229870800501662
716 ms 143.89.40.46
30 2026-08-22 09:15 639229861058384956
268 ms 143.89.40.46
29 2026-08-22 08:59 639229851158592604
717 ms 143.89.40.46
28 2026-08-22 08:43 639229841475569629
3 ms 143.89.40.46
27 2026-08-22 08:27 639229831887658471
724 ms 143.89.40.46
26 2026-08-22 08:10 639229822043670346
370 ms 143.89.40.46
25 2026-08-22 07:54 639229812327913936
714 ms 143.89.40.46
24 2026-08-22 07:38 639229802629488686
4 ms 143.89.40.46
23 2026-08-22 07:22 639229793051447309
4 ms 143.89.40.46
22 2026-08-22 07:06 639229783303531961
1794 ms 143.89.40.46
21 2026-08-22 06:49 639229773458051942
463 ms 143.89.40.46
20 2026-08-22 06:33 639229763373848056
1867 ms 143.89.40.46
19 2026-08-22 05:40 639229732140622809
1075 ms 143.89.40.46
18 2026-08-22 05:24 639229722699695967
283 ms 143.89.40.46
17 2026-08-22 05:09 639229713097498075
3 ms 143.89.40.46
16 2026-08-22 04:53 639229703543969637
710 ms 143.89.40.46
15 2026-08-22 04:37 639229693970392873
854 ms 143.89.40.46
14 2026-08-22 04:21 639229684277329469
1733 ms 143.89.40.46
13 2026-08-22 04:04 639229674501596661
2285 ms 143.89.40.46
12 2026-08-22 03:48 639229665064441147
728 ms 143.89.40.46
11 2026-08-22 03:32 639229655507536872
34 ms 143.89.40.46
10 2026-08-22 03:16 639229645849603111
716 ms 143.89.40.46
9 2026-08-22 03:00 639229636090497453
374 ms 143.89.40.46
8 2026-08-22 02:44 639229625978544281
718 ms 143.89.40.46
7 2026-08-22 01:51 639229594644662176
1549 ms 143.89.40.46
6 2026-08-22 01:35 639229585214633065
554 ms 143.89.40.46
5 2026-08-22 01:19 639229575581042175
363 ms 143.89.40.46
4 2026-08-22 01:03 639229565912268962
3 ms 143.89.40.46
3 2026-08-22 00:47 639229556237813203
1678 ms 143.89.40.46
2 2026-08-22 00:31 639229546625802518
3 ms 143.89.40.46
1 2026-08-22 00:15 639229537172016621
363 ms 143.89.40.46