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 2026-08-26. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 619 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

71

Historical checks stored for this nameserver on selected date

Average Latency

619 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:59

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

71

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 2026-08-26 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
71 2026-08-26 23:59 639233846871926285
1062 ms 143.89.40.46
70 2026-08-26 23:05 639233814527872887
497 ms 143.89.40.46
69 2026-08-26 22:48 639233804315489381
1077 ms 143.89.40.46
68 2026-08-26 22:31 639233793971346256
1077 ms 143.89.40.46
67 2026-08-26 22:14 639233783644630463
1089 ms 143.89.40.46
66 2026-08-26 21:56 639233773302621314
1112 ms 143.89.40.46
65 2026-08-26 21:39 639233762896723748
3 ms 143.89.40.46
64 2026-08-26 21:22 639233752543876329
482 ms 143.89.40.46
63 2026-08-26 21:05 639233742155931788
1114 ms 143.89.40.46
62 2026-08-26 20:47 639233731712555311
1166 ms 143.89.40.46
61 2026-08-26 20:30 639233721164051126
1280 ms 143.89.40.46
60 2026-08-26 20:12 639233710560486320
1073 ms 143.89.40.46
59 2026-08-26 19:54 639233699834667450
1091 ms 143.89.40.46
58 2026-08-26 19:00 639233667209186136
1360 ms 143.89.40.46
57 2026-08-26 18:42 639233656814316266
1455 ms 143.89.40.46
56 2026-08-26 18:25 639233646245051806
491 ms 143.89.40.46
55 2026-08-26 18:07 639233635663779051
1079 ms 143.89.40.46
54 2026-08-26 17:50 639233624977342122
495 ms 143.89.40.46
53 2026-08-26 17:32 639233614446136153
492 ms 143.89.40.46
52 2026-08-26 17:14 639233603737877581
1501 ms 143.89.40.46
51 2026-08-26 16:56 639233593269224651
1093 ms 143.89.40.46
50 2026-08-26 16:39 639233582635086903
1132 ms 143.89.40.46
49 2026-08-26 16:21 639233572000374575
486 ms 143.89.40.46
48 2026-08-26 16:03 639233561188633861
507 ms 143.89.40.46
47 2026-08-26 15:45 639233550544357027
493 ms 143.89.40.46
46 2026-08-26 14:51 639233517966053117
1159 ms 143.89.40.46
45 2026-08-26 14:33 639233507603253585
4 ms 143.89.40.46
44 2026-08-26 14:16 639233497229039167
1074 ms 143.89.40.46
43 2026-08-26 13:59 639233486864546406
250 ms 143.89.40.46
42 2026-08-26 13:42 639233476455174682
497 ms 143.89.40.46
41 2026-08-26 13:24 639233466171592605
250 ms 143.89.40.46
40 2026-08-26 13:07 639233455747096265
493 ms 143.89.40.46
39 2026-08-26 12:50 639233445367152284
6 ms 143.89.40.46
38 2026-08-26 12:32 639233434974187439
488 ms 143.89.40.46
37 2026-08-26 12:15 639233424567558554
5 ms 143.89.40.46
36 2026-08-26 11:58 639233414056832719
1500 ms 143.89.40.46
35 2026-08-26 11:40 639233403515141099
496 ms 143.89.40.46
34 2026-08-26 10:45 639233370841350248
1087 ms 143.89.40.46
33 2026-08-26 10:28 639233360361507238
506 ms 143.89.40.46
32 2026-08-26 10:11 639233350067824371
482 ms 143.89.40.46
31 2026-08-26 09:54 639233339545274518
5 ms 143.89.40.46
30 2026-08-26 09:36 639233329214918079
4 ms 143.89.40.46
29 2026-08-26 09:19 639233318749762337
3 ms 143.89.40.46
28 2026-08-26 09:01 639233308387917838
497 ms 143.89.40.46
27 2026-08-26 08:44 639233297961740122
4 ms 143.89.40.46
26 2026-08-26 08:27 639233287487159094
2 ms 143.89.40.46
25 2026-08-26 08:09 639233276995531707
516 ms 143.89.40.46
24 2026-08-26 07:52 639233266521568229
492 ms 143.89.40.46
23 2026-08-26 07:34 639233256081047431
502 ms 143.89.40.46
22 2026-08-26 06:40 639233223620132921
1074 ms 143.89.40.46
21 2026-08-26 06:23 639233213287814244
3 ms 143.89.40.46
20 2026-08-26 06:06 639233202925983161
248 ms 143.89.40.46
19 2026-08-26 05:48 639233192644780696
488 ms 143.89.40.46
18 2026-08-26 05:31 639233182401183833
501 ms 143.89.40.46
17 2026-08-26 05:14 639233172074181051
2 ms 143.89.40.46
16 2026-08-26 04:57 639233161808421455
3 ms 143.89.40.46
15 2026-08-26 04:40 639233151357344052
493 ms 143.89.40.46
14 2026-08-26 04:22 639233141034116946
1071 ms 143.89.40.46
13 2026-08-26 04:05 639233130828334142
487 ms 143.89.40.46
12 2026-08-26 03:48 639233120373450007
1075 ms 143.89.40.46
11 2026-08-26 03:31 639233110066216193
542 ms 143.89.40.46
10 2026-08-26 02:38 639233078065410564
3 ms 143.89.40.46
9 2026-08-26 02:20 639233067787457832
248 ms 143.89.40.46
8 2026-08-26 02:03 639233057501801162
245 ms 143.89.40.46
7 2026-08-26 01:46 639233047089431703
1074 ms 143.89.40.46
6 2026-08-26 01:29 639233036754790688
3 ms 143.89.40.46
5 2026-08-26 01:12 639233026412602472
1083 ms 143.89.40.46
4 2026-08-26 00:54 639233016064066127
245 ms 143.89.40.46
3 2026-08-26 00:37 639233005922655772
489 ms 143.89.40.46
2 2026-08-26 00:20 639232995672256907
496 ms 143.89.40.46
1 2026-08-26 00:03 639232985300872416
1075 ms 143.89.40.46