DNS response history for ns4.us.opalstack.com

ns4.us.opalstack.com 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 75 DNS check records, 75 successful responses, 0 failed responses, and 96 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 ns4.us.opalstack.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

96 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

142.91.170.22

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns4.us.opalstack.com

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:47 639231254406598736
11 ms 142.91.170.22
74 2026-08-23 23:31 639231244697865594
22 ms 142.91.170.22
73 2026-08-23 23:14 639231234893504693
2275 ms 142.91.170.22
72 2026-08-23 22:58 639231225024549139
22 ms 142.91.170.22
71 2026-08-23 22:41 639231214931957622
21 ms 142.91.170.22
70 2026-08-23 22:25 639231204962010549
29 ms 142.91.170.22
69 2026-08-23 22:08 639231195170138463
31 ms 142.91.170.22
68 2026-08-23 21:52 639231185235020577
139 ms 142.91.170.22
67 2026-08-23 21:35 639231175558690075
59 ms 142.91.170.22
66 2026-08-23 21:19 639231165610444012
166 ms 142.91.170.22
65 2026-08-23 20:26 639231133806425363
32 ms 142.91.170.22
64 2026-08-23 20:10 639231124203758023
14 ms 142.91.170.22
63 2026-08-23 19:54 639231114428262706
38 ms 142.91.170.22
62 2026-08-23 19:37 639231104662480065
4 ms 142.91.170.22
61 2026-08-23 19:21 639231094840372018
83 ms 142.91.170.22
60 2026-08-23 19:05 639231085024583224
18 ms 142.91.170.22
59 2026-08-23 18:48 639231075257417427
14 ms 142.91.170.22
58 2026-08-23 18:32 639231065516009503
4 ms 142.91.170.22
57 2026-08-23 18:16 639231055805348837
199 ms 142.91.170.22
56 2026-08-23 17:59 639231045980373765
32 ms 142.91.170.22
55 2026-08-23 17:43 639231035984577527
28 ms 142.91.170.22
54 2026-08-23 17:26 639231025928115303
36 ms 142.91.170.22
53 2026-08-23 16:33 639230994250157583
168 ms 142.91.170.22
52 2026-08-23 16:17 639230984476411369
9 ms 142.91.170.22
51 2026-08-23 16:01 639230974838373450
28 ms 142.91.170.22
50 2026-08-23 15:45 639230965244277645
46 ms 142.91.170.22
49 2026-08-23 15:29 639230955522101820
184 ms 142.91.170.22
48 2026-08-23 15:13 639230945754521603
79 ms 142.91.170.22
47 2026-08-23 14:56 639230935852040504
270 ms 142.91.170.22
46 2026-08-23 14:40 639230926222061048
20 ms 142.91.170.22
45 2026-08-23 14:24 639230916449726907
140 ms 142.91.170.22
44 2026-08-23 14:07 639230906595053086
403 ms 142.91.170.22
43 2026-08-23 13:51 639230896680429441
69 ms 142.91.170.22
42 2026-08-23 13:34 639230886630210965
24 ms 142.91.170.22
41 2026-08-23 12:42 639230855430405719
139 ms 142.91.170.22
40 2026-08-23 12:26 639230845707499136
201 ms 142.91.170.22
39 2026-08-23 12:10 639230836186805419
3 ms 142.91.170.22
38 2026-08-23 11:54 639230826493828316
32 ms 142.91.170.22
37 2026-08-23 11:38 639230816817882996
35 ms 142.91.170.22
36 2026-08-23 11:21 639230806933854189
32 ms 142.91.170.22
35 2026-08-23 11:05 639230797120243854
3 ms 142.91.170.22
34 2026-08-23 10:48 639230787310272840
38 ms 142.91.170.22
33 2026-08-23 10:32 639230777600173142
4 ms 142.91.170.22
32 2026-08-23 10:16 639230767665024593
59 ms 142.91.170.22
31 2026-08-23 09:59 639230757720962293
29 ms 142.91.170.22
30 2026-08-23 09:42 639230747722189784
27 ms 142.91.170.22
29 2026-08-23 08:50 639230716313923480
63 ms 142.91.170.22
28 2026-08-23 08:34 639230706813835990
29 ms 142.91.170.22
27 2026-08-23 08:18 639230696871062203
287 ms 142.91.170.22
26 2026-08-23 08:02 639230687142781616
16 ms 142.91.170.22
25 2026-08-23 07:45 639230677432142227
293 ms 142.91.170.22
24 2026-08-23 07:29 639230667686258061
12 ms 142.91.170.22
23 2026-08-23 07:13 639230658039243685
51 ms 142.91.170.22
22 2026-08-23 06:57 639230648468473803
15 ms 142.91.170.22
21 2026-08-23 06:41 639230638829658294
211 ms 142.91.170.22
20 2026-08-23 06:25 639230629247017617
38 ms 142.91.170.22
19 2026-08-23 06:09 639230619625318239
33 ms 142.91.170.22
18 2026-08-23 05:52 639230609697630264
19 ms 142.91.170.22
17 2026-08-23 05:01 639230578570131864
3 ms 142.91.170.22
16 2026-08-23 04:45 639230568958963168
11 ms 142.91.170.22
15 2026-08-23 04:28 639230559287611211
52 ms 142.91.170.22
14 2026-08-23 04:12 639230549524312030
169 ms 142.91.170.22
13 2026-08-23 03:56 639230539739801669
14 ms 142.91.170.22
12 2026-08-23 03:40 639230530084069375
3 ms 142.91.170.22
11 2026-08-23 03:24 639230520362691441
21 ms 142.91.170.22
10 2026-08-23 03:07 639230510677194518
11 ms 142.91.170.22
9 2026-08-23 02:51 639230501156002646
13 ms 142.91.170.22
8 2026-08-23 02:35 639230491502198541
47 ms 142.91.170.22
7 2026-08-23 02:19 639230481860318494
14 ms 142.91.170.22
6 2026-08-23 02:03 639230471893008575
233 ms 142.91.170.22
5 2026-08-23 01:10 639230440030877421
131 ms 142.91.170.22
4 2026-08-23 00:54 639230430479725508
16 ms 142.91.170.22
3 2026-08-23 00:38 639230420875160219
12 ms 142.91.170.22
2 2026-08-23 00:22 639230411240692575
17 ms 142.91.170.22
1 2026-08-23 00:06 639230401550806607
26 ms 142.91.170.22