History for ns1.exchange.ust.hk

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

DNS response history for ns1.exchange.ust.hk

ns1.exchange.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 2026-08-23. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 447 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 ns1.exchange.ust.hk.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

447 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

143.89.12.61

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 ns1.exchange.ust.hk

Showing DNS history for 2026-08-23 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 2026-08-23 22:51 639231214931957622
254 ms 143.89.12.61
70 2026-08-23 22:34 639231204962010549
22 ms 143.89.12.61
69 2026-08-23 22:17 639231195170138463
3 ms 143.89.12.61
68 2026-08-23 22:01 639231185235020577
442 ms 143.89.12.61
67 2026-08-23 21:45 639231175558690075
504 ms 143.89.12.61
66 2026-08-23 21:28 639231165610444012
485 ms 143.89.12.61
65 2026-08-23 20:36 639231133806425363
521 ms 143.89.12.61
64 2026-08-23 20:19 639231124203758023
4298 ms 143.89.12.61
63 2026-08-23 20:03 639231114428262706
491 ms 143.89.12.61
62 2026-08-23 19:47 639231104662480065
4 ms 143.89.12.61
61 2026-08-23 19:30 639231094840372018
501 ms 143.89.12.61
60 2026-08-23 19:14 639231085024583224
4 ms 143.89.12.61
59 2026-08-23 18:58 639231075257417427
497 ms 143.89.12.61
58 2026-08-23 18:41 639231065516009503
191 ms 143.89.12.61
57 2026-08-23 18:25 639231055805348837
4 ms 143.89.12.61
56 2026-08-23 18:09 639231045980373765
252 ms 143.89.12.61
55 2026-08-23 17:52 639231035984577527
2289 ms 143.89.12.61
54 2026-08-23 17:35 639231025928115303
484 ms 143.89.12.61
53 2026-08-23 16:43 639230994250157583
4 ms 143.89.12.61
52 2026-08-23 16:26 639230984476411369
497 ms 143.89.12.61
51 2026-08-23 16:10 639230974838373450
4 ms 143.89.12.61
50 2026-08-23 15:54 639230965244277645
250 ms 143.89.12.61
49 2026-08-23 15:38 639230955522101820
248 ms 143.89.12.61
48 2026-08-23 15:22 639230945754521603
298 ms 143.89.12.61
47 2026-08-23 15:06 639230935852040504
499 ms 143.89.12.61
46 2026-08-23 14:49 639230926222061048
500 ms 143.89.12.61
45 2026-08-23 14:33 639230916449726907
4 ms 143.89.12.61
44 2026-08-23 14:17 639230906595053086
3 ms 143.89.12.61
43 2026-08-23 14:00 639230896680429441
244 ms 143.89.12.61
42 2026-08-23 13:43 639230886630210965
500 ms 143.89.12.61
41 2026-08-23 12:51 639230855430405719
4 ms 143.89.12.61
40 2026-08-23 12:35 639230845707499136
490 ms 143.89.12.61
39 2026-08-23 12:19 639230836186805419
2524 ms 143.89.12.61
38 2026-08-23 12:03 639230826493828316
5 ms 143.89.12.61
37 2026-08-23 11:47 639230816817882996
5 ms 143.89.12.61
36 2026-08-23 11:31 639230806933854189
506 ms 143.89.12.61
35 2026-08-23 11:14 639230797120243854
4 ms 143.89.12.61
34 2026-08-23 10:58 639230787310272840
496 ms 143.89.12.61
33 2026-08-23 10:42 639230777600173142
309 ms 143.89.12.61
32 2026-08-23 10:25 639230767665024593
277 ms 143.89.12.61
31 2026-08-23 10:09 639230757720962293
4 ms 143.89.12.61
30 2026-08-23 09:52 639230747722189784
497 ms 143.89.12.61
29 2026-08-23 08:59 639230716313923480
3 ms 143.89.12.61
28 2026-08-23 08:43 639230706813835990
504 ms 143.89.12.61
27 2026-08-23 08:27 639230696871062203
251 ms 143.89.12.61
26 2026-08-23 08:11 639230687142781616
496 ms 143.89.12.61
25 2026-08-23 07:55 639230677432142227
3 ms 143.89.12.61
24 2026-08-23 07:38 639230667686258061
521 ms 143.89.12.61
23 2026-08-23 07:22 639230658039243685
501 ms 143.89.12.61
22 2026-08-23 07:06 639230648468473803
256 ms 143.89.12.61
21 2026-08-23 06:50 639230638829658294
6 ms 143.89.12.61
20 2026-08-23 06:34 639230629247017617
486 ms 143.89.12.61
19 2026-08-23 06:18 639230619625318239
637 ms 143.89.12.61
18 2026-08-23 06:02 639230609697630264
520 ms 143.89.12.61
17 2026-08-23 05:10 639230578570131864
4 ms 143.89.12.61
16 2026-08-23 04:54 639230568958963168
187 ms 143.89.12.61
15 2026-08-23 04:38 639230559287611211
2 ms 143.89.12.61
14 2026-08-23 04:22 639230549524312030
721 ms 143.89.12.61
13 2026-08-23 04:05 639230539739801669
3 ms 143.89.12.61
12 2026-08-23 03:49 639230530084069375
726 ms 143.89.12.61
11 2026-08-23 03:33 639230520362691441
3 ms 143.89.12.61
10 2026-08-23 03:16 639230510677194518
590 ms 143.89.12.61
9 2026-08-23 03:00 639230501156002646
725 ms 143.89.12.61
8 2026-08-23 02:44 639230491502198541
32 ms 143.89.12.61
7 2026-08-23 02:28 639230481860318494
584 ms 143.89.12.61
6 2026-08-23 02:12 639230471893008575
6 ms 143.89.12.61
5 2026-08-23 01:19 639230440030877421
2725 ms 143.89.12.61
4 2026-08-23 01:03 639230430479725508
724 ms 143.89.12.61
3 2026-08-23 00:47 639230420875160219
273 ms 143.89.12.61
2 2026-08-23 00:31 639230411240692575
495 ms 143.89.12.61
1 2026-08-23 00:15 639230401550806607
359 ms 143.89.12.61