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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 81 successful responses, 1 failed responses, and 199 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

82

Historical checks stored for this nameserver on selected date

Average Latency

199 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:58

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

81

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-10 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
82 2026-08-10 23:58 639220027366289509
52 ms 142.91.170.22
81 2026-08-10 23:43 639220018272941900
2018 ms 142.91.170.22
80 2026-08-10 23:27 639220009109892969
50 ms 142.91.170.22
79 2026-08-10 23:12 639220000040489788
9 ms 142.91.170.22
78 2026-08-10 22:57 639219991197135747
15 ms 142.91.170.22
77 2026-08-10 22:42 639219982104540014
12 ms 142.91.170.22
76 2026-08-10 22:27 639219973150300215
42 ms 142.91.170.22
75 2026-08-10 22:12 639219964188486697
55 ms 142.91.170.22
74 2026-08-10 21:57 639219954995921784
2018 ms 142.91.170.22
73 2026-08-10 21:41 639219945559908104
18 ms 142.91.170.22
72 2026-08-10 20:49 639219914137782273
76 ms 142.91.170.22
71 2026-08-10 20:34 639219904858355064
138 ms 142.91.170.22
70 2026-08-10 20:18 639219895655263396
34 ms 142.91.170.22
69 2026-08-10 20:03 639219886527091074
19 ms 142.91.170.22
68 2026-08-10 19:48 639219877343266628
6 ms 142.91.170.22
67 2026-08-10 19:33 639219868177358195
42 ms 142.91.170.22
66 2026-08-10 19:17 639219859159581515
37 ms 142.91.170.22
65 2026-08-10 19:02 639219850124020182
267 ms 142.91.170.22
64 2026-08-10 18:47 639219840940124840
34 ms 142.91.170.22
63 2026-08-10 18:32 639219831829876486
16 ms 142.91.170.22
62 2026-08-10 18:17 639219822587759143
2093 ms 142.91.170.22
61 2026-08-10 18:01 639219813247114428
30 ms 142.91.170.22
60 2026-08-10 17:10 639219781959606396
32 ms 142.91.170.22
59 2026-08-10 16:54 639219772658305431
24 ms 142.91.170.22
58 2026-08-10 16:39 639219763454523027
184 ms 142.91.170.22
57 2026-08-10 16:24 639219754279127815
184 ms 142.91.170.22
56 2026-08-10 16:08 639219745087467767
24 ms 142.91.170.22
55 2026-08-10 15:53 639219735900678107
32 ms 142.91.170.22
54 2026-08-10 15:37 639219726531461979
18 ms 142.91.170.22
53 2026-08-10 15:22 639219717415222156
12 ms 142.91.170.22
52 2026-08-10 15:07 639219708266470863
33 ms 142.91.170.22
51 2026-08-10 14:52 639219699049479559
16 ms 142.91.170.22
50 2026-08-10 14:36 639219689775815194
10 ms 142.91.170.22
49 2026-08-10 14:21 639219680511810632
20 ms 142.91.170.22
48 2026-08-10 13:26 639219648997191257
20 ms 142.91.170.22
47 2026-08-10 13:10 639219639938909436
31 ms 142.91.170.22
46 2026-08-10 12:55 639219630718286441
23 ms 142.91.170.22
45 2026-08-10 12:40 639219621472350410
12 ms 142.91.170.22
44 2026-08-10 12:25 639219612500421992
49 ms 142.91.170.22
43 2026-08-10 12:10 639219603383833445
17 ms 142.91.170.22
42 2026-08-10 11:54 639219594143823358
2027 ms 142.91.170.22
41 2026-08-10 11:39 639219585053166024
47 ms 142.91.170.22
40 2026-08-10 11:24 639219575885776644
18 ms 142.91.170.22
39 2026-08-10 11:09 639219566844532361
12 ms 142.91.170.22
38 2026-08-10 10:53 639219557705808294
2111 ms 142.91.170.22
37 2026-08-10 10:38 639219548482688649
-
36 2026-08-10 09:48 639219517492763539
142 ms 142.91.170.22
35 2026-08-10 09:33 639219508755773605
30 ms 142.91.170.22
34 2026-08-10 09:18 639219499852103863
4 ms 142.91.170.22
33 2026-08-10 09:03 639219490893714387
34 ms 142.91.170.22
32 2026-08-10 08:49 639219482299305521
15 ms 142.91.170.22
31 2026-08-10 08:34 639219473613114853
15 ms 142.91.170.22
30 2026-08-10 08:20 639219465061138643
40 ms 142.91.170.22
29 2026-08-10 08:06 639219456616129015
42 ms 142.91.170.22
28 2026-08-10 07:52 639219447974008557
26 ms 142.91.170.22
27 2026-08-10 07:37 639219439498255213
21 ms 142.91.170.22
26 2026-08-10 07:23 639219430664872256
42 ms 142.91.170.22
25 2026-08-10 07:08 639219421757560037
22 ms 142.91.170.22
24 2026-08-10 06:17 639219390773218684
21 ms 142.91.170.22
23 2026-08-10 06:02 639219382205367722
266 ms 142.91.170.22
22 2026-08-10 05:48 639219373711937615
177 ms 142.91.170.22
21 2026-08-10 05:34 639219365088558404
13 ms 142.91.170.22
20 2026-08-10 05:19 639219356348833255
10 ms 142.91.170.22
19 2026-08-10 05:05 639219347860053478
49 ms 142.91.170.22
18 2026-08-10 04:51 639219339173195121
29 ms 142.91.170.22
17 2026-08-10 04:36 639219330642664669
34 ms 142.91.170.22
16 2026-08-10 04:22 639219322058698995
28 ms 142.91.170.22
15 2026-08-10 04:08 639219313564344199
275 ms 142.91.170.22
14 2026-08-10 03:53 639219304775113236
2012 ms 142.91.170.22
13 2026-08-10 03:38 639219295706181119
11 ms 142.91.170.22
12 2026-08-10 02:48 639219264663923254
30 ms 142.91.170.22
11 2026-08-10 02:33 639219256015178099
23 ms 142.91.170.22
10 2026-08-10 02:19 639219247509540188
121 ms 142.91.170.22
9 2026-08-10 02:05 639219238999539092
43 ms 142.91.170.22
8 2026-08-10 01:50 639219230498823902
26 ms 142.91.170.22
7 2026-08-10 01:36 639219221706460911
30 ms 142.91.170.22
6 2026-08-10 01:21 639219212930606887
22 ms 142.91.170.22
5 2026-08-10 01:07 639219204307908525
133 ms 142.91.170.22
4 2026-08-10 00:52 639219195720181470
90 ms 142.91.170.22
3 2026-08-10 00:38 639219186898174002
103 ms 142.91.170.22
2 2026-08-10 00:23 639219178004946976
39 ms 142.91.170.22
1 2026-08-10 00:08 639219168958805474
36 ms 142.91.170.22