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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 429 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

429 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 23:48

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 2026-08-18 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 2026-08-18 23:48 639226935204800669
44 ms 142.91.170.22
74 2026-08-18 23:32 639226925298919497
4141 ms 142.91.170.22
73 2026-08-18 23:15 639226915487885053
58 ms 142.91.170.22
72 2026-08-18 22:59 639226905465760034
15 ms 142.91.170.22
71 2026-08-18 22:42 639226895378104692
28 ms 142.91.170.22
70 2026-08-18 21:49 639226863374232622
88 ms 142.91.170.22
69 2026-08-18 21:32 639226853698516058
46 ms 142.91.170.22
68 2026-08-18 21:16 639226843797360601
28 ms 142.91.170.22
67 2026-08-18 21:00 639226834046588155
2255 ms 142.91.170.22
66 2026-08-18 20:43 639226824234488533
11 ms 142.91.170.22
65 2026-08-18 20:27 639226814549928621
225 ms 142.91.170.22
64 2026-08-18 20:11 639226804721432353
85 ms 142.91.170.22
63 2026-08-18 19:55 639226795048828184
202 ms 142.91.170.22
62 2026-08-18 19:38 639226785202482420
270 ms 142.91.170.22
61 2026-08-18 19:22 639226775309362607
190 ms 142.91.170.22
60 2026-08-18 19:05 639226765406586155
37 ms 142.91.170.22
59 2026-08-18 18:49 639226755437790519
88 ms 142.91.170.22
58 2026-08-18 17:56 639226723856194457
194 ms 142.91.170.22
57 2026-08-18 17:40 639226714050583422
188 ms 142.91.170.22
56 2026-08-18 17:23 639226704236499724
16 ms 142.91.170.22
55 2026-08-18 17:07 639226694184520163
21 ms 142.91.170.22
54 2026-08-18 16:50 639226684161203477
24 ms 142.91.170.22
53 2026-08-18 16:33 639226674305430109
2369 ms 142.91.170.22
52 2026-08-18 16:17 639226664489607984
53 ms 142.91.170.22
51 2026-08-18 16:01 639226654533111667
2014 ms 142.91.170.22
50 2026-08-18 15:44 639226644778594725
29 ms 142.91.170.22
49 2026-08-18 15:28 639226634901553621
11 ms 142.91.170.22
48 2026-08-18 15:11 639226624921864967
30 ms 142.91.170.22
47 2026-08-18 14:54 639226614939419403
197 ms 142.91.170.22
46 2026-08-18 14:01 639226583021074771
52 ms 142.91.170.22
45 2026-08-18 13:45 639226573279933585
2012 ms 142.91.170.22
44 2026-08-18 13:29 639226563494036301
48 ms 142.91.170.22
43 2026-08-18 13:12 639226553708216256
2388 ms 142.91.170.22
42 2026-08-18 12:56 639226544003734815
52 ms 142.91.170.22
41 2026-08-18 12:40 639226534105733155
2023 ms 142.91.170.22
40 2026-08-18 12:23 639226524298118898
61 ms 142.91.170.22
39 2026-08-18 12:07 639226514525195335
35 ms 142.91.170.22
38 2026-08-18 11:51 639226504703635320
22 ms 142.91.170.22
37 2026-08-18 11:34 639226494737271720
14 ms 142.91.170.22
36 2026-08-18 11:18 639226485005027236
2032 ms 142.91.170.22
35 2026-08-18 11:01 639226475133236105
56 ms 142.91.170.22
34 2026-08-18 10:08 639226442975077052
28 ms 142.91.170.22
33 2026-08-18 09:52 639226433317932039
10 ms 142.91.170.22
32 2026-08-18 09:36 639226423688431096
29 ms 142.91.170.22
31 2026-08-18 09:20 639226413998250045
162 ms 142.91.170.22
30 2026-08-18 09:03 639226404284554875
2022 ms 142.91.170.22
29 2026-08-18 08:47 639226394637043309
47 ms 142.91.170.22
28 2026-08-18 08:31 639226385052447582
2172 ms 142.91.170.22
27 2026-08-18 08:15 639226375506189603
85 ms 142.91.170.22
26 2026-08-18 07:59 639226365690646426
10 ms 142.91.170.22
25 2026-08-18 07:43 639226355771007701
13 ms 142.91.170.22
24 2026-08-18 07:26 639226345946269369
87 ms 142.91.170.22
23 2026-08-18 07:10 639226336241601848
293 ms 142.91.170.22
22 2026-08-18 06:18 639226304950675290
42 ms 142.91.170.22
21 2026-08-18 06:02 639226295324754616
48 ms 142.91.170.22
20 2026-08-18 05:46 639226285824640601
17 ms 142.91.170.22
19 2026-08-18 05:30 639226276321223917
33 ms 142.91.170.22
18 2026-08-18 05:14 639226266800200046
106 ms 142.91.170.22
17 2026-08-18 04:58 639226256958066164
94 ms 142.91.170.22
16 2026-08-18 04:42 639226247432364597
431 ms 142.91.170.22
15 2026-08-18 04:26 639226237703388552
31 ms 142.91.170.22
14 2026-08-18 04:10 639226227937569589
25 ms 142.91.170.22
13 2026-08-18 03:53 639226218052465471
54 ms 142.91.170.22
12 2026-08-18 03:37 639226208429623997
2036 ms 142.91.170.22
11 2026-08-18 03:21 639226198800675295
2306 ms 142.91.170.22
10 2026-08-18 02:29 639226167722042574
25 ms 142.91.170.22
9 2026-08-18 02:13 639226158277924383
14 ms 142.91.170.22
8 2026-08-18 01:58 639226148757810592
50 ms 142.91.170.22
7 2026-08-18 01:42 639226139348611045
30 ms 142.91.170.22
6 2026-08-18 01:26 639226129823462907
27 ms 142.91.170.22
5 2026-08-18 01:10 639226120218260005
6 ms 142.91.170.22
4 2026-08-18 00:54 639226110875503904
29 ms 142.91.170.22
3 2026-08-18 00:39 639226101376311912
57 ms 142.91.170.22
2 2026-08-18 00:23 639226091924943492
24 ms 142.91.170.22
1 2026-08-18 00:07 639226082133158124
15 ms 142.91.170.22