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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 302 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

302 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:59

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

74

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 2026-08-19 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 2026-08-19 23:59 639227805445376839
-
74 2026-08-19 23:43 639227795899225951
43 ms 142.91.170.22
73 2026-08-19 23:27 639227786351762008
17 ms 142.91.170.22
72 2026-08-19 23:11 639227776640591733
211 ms 142.91.170.22
71 2026-08-19 22:55 639227767128841282
2019 ms 142.91.170.22
70 2026-08-19 22:39 639227757477304711
17 ms 142.91.170.22
69 2026-08-19 22:22 639227747572098014
274 ms 142.91.170.22
68 2026-08-19 22:06 639227737588613113
37 ms 142.91.170.22
67 2026-08-19 21:13 639227706134603955
376 ms 142.91.170.22
66 2026-08-19 20:57 639227696589027396
18 ms 142.91.170.22
65 2026-08-19 20:42 639227687097707639
2018 ms 142.91.170.22
64 2026-08-19 20:25 639227677474464487
282 ms 142.91.170.22
63 2026-08-19 20:09 639227667767441118
39 ms 142.91.170.22
62 2026-08-19 19:53 639227657984833832
29 ms 142.91.170.22
61 2026-08-19 19:36 639227648079992640
12 ms 142.91.170.22
60 2026-08-19 19:20 639227638125048441
57 ms 142.91.170.22
59 2026-08-19 19:03 639227628211392142
55 ms 142.91.170.22
58 2026-08-19 18:47 639227618261696275
49 ms 142.91.170.22
57 2026-08-19 18:30 639227608366233645
62 ms 142.91.170.22
56 2026-08-19 18:14 639227598301787588
23 ms 142.91.170.22
55 2026-08-19 17:20 639227566241010716
34 ms 142.91.170.22
54 2026-08-19 17:04 639227556454538959
54 ms 142.91.170.22
53 2026-08-19 16:47 639227546640305542
27 ms 142.91.170.22
52 2026-08-19 16:31 639227536965466472
157 ms 142.91.170.22
51 2026-08-19 16:15 639227527048658280
15 ms 142.91.170.22
50 2026-08-19 15:59 639227517386634438
199 ms 142.91.170.22
49 2026-08-19 15:42 639227507459551637
2292 ms 142.91.170.22
48 2026-08-19 15:25 639227497515595277
22 ms 142.91.170.22
47 2026-08-19 15:09 639227487441798036
14 ms 142.91.170.22
46 2026-08-19 14:52 639227477445551863
47 ms 142.91.170.22
45 2026-08-19 14:35 639227467297067891
2376 ms 142.91.170.22
44 2026-08-19 14:18 639227457057795635
14 ms 142.91.170.22
43 2026-08-19 13:25 639227425244777397
117 ms 142.91.170.22
42 2026-08-19 13:09 639227415422116485
43 ms 142.91.170.22
41 2026-08-19 12:52 639227405307256053
43 ms 142.91.170.22
40 2026-08-19 12:35 639227395396602630
55 ms 142.91.170.22
39 2026-08-19 12:19 639227385510363611
36 ms 142.91.170.22
38 2026-08-19 12:02 639227375508324850
2023 ms 142.91.170.22
37 2026-08-19 11:45 639227365326611906
254 ms 142.91.170.22
36 2026-08-19 11:28 639227355360014208
38 ms 142.91.170.22
35 2026-08-19 11:11 639227345036782165
2070 ms 142.91.170.22
34 2026-08-19 10:55 639227334992964533
21 ms 142.91.170.22
33 2026-08-19 10:38 639227324986605572
259 ms 142.91.170.22
32 2026-08-19 10:21 639227314928414539
45 ms 142.91.170.22
31 2026-08-19 09:28 639227283029182134
25 ms 142.91.170.22
30 2026-08-19 09:12 639227273294779350
45 ms 142.91.170.22
29 2026-08-19 08:55 639227263525231313
23 ms 142.91.170.22
28 2026-08-19 08:39 639227253578313363
130 ms 142.91.170.22
27 2026-08-19 08:22 639227243649973322
20 ms 142.91.170.22
26 2026-08-19 08:06 639227233581059317
31 ms 142.91.170.22
25 2026-08-19 07:49 639227223667352067
111 ms 142.91.170.22
24 2026-08-19 07:32 639227213714837066
618 ms 142.91.170.22
23 2026-08-19 07:16 639227203701208496
38 ms 142.91.170.22
22 2026-08-19 06:59 639227193643202179
45 ms 142.91.170.22
21 2026-08-19 06:42 639227183584431597
42 ms 142.91.170.22
20 2026-08-19 06:25 639227173347403088
34 ms 142.91.170.22
19 2026-08-19 05:32 639227141523007601
2129 ms 142.91.170.22
18 2026-08-19 05:16 639227131785931574
90 ms 142.91.170.22
17 2026-08-19 05:00 639227122176475389
94 ms 142.91.170.22
16 2026-08-19 04:44 639227112668934596
42 ms 142.91.170.22
15 2026-08-19 04:28 639227102773292788
22 ms 142.91.170.22
14 2026-08-19 04:11 639227093141136930
62 ms 142.91.170.22
13 2026-08-19 03:55 639227083449420147
18 ms 142.91.170.22
12 2026-08-19 03:39 639227073771748493
37 ms 142.91.170.22
11 2026-08-19 03:23 639227063977347614
30 ms 142.91.170.22
10 2026-08-19 03:07 639227054253519024
2120 ms 142.91.170.22
9 2026-08-19 02:50 639227044381963886
335 ms 142.91.170.22
8 2026-08-19 02:34 639227034441085514
30 ms 142.91.170.22
7 2026-08-19 01:41 639227003126489968
18 ms 142.91.170.22
6 2026-08-19 01:25 639226993456311614
38 ms 142.91.170.22
5 2026-08-19 01:09 639226983847312345
54 ms 142.91.170.22
4 2026-08-19 00:53 639226974357874853
30 ms 142.91.170.22
3 2026-08-19 00:37 639226964670484721
41 ms 142.91.170.22
2 2026-08-19 00:21 639226954857899696
38 ms 142.91.170.22
1 2026-08-19 00:05 639226945091603488
30 ms 142.91.170.22