DNS response history for ns4.is-a.dev

ns4.is-a.dev 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 262 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.is-a.dev.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

262 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.6.249

Most recently resolved hosting IP on selected date

Successful Responses

72

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.is-a.dev

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:48 639229527598660841
2029 ms 162.159.6.249
72 2026-08-21 23:32 639229517954323214
59 ms 162.159.6.249
71 2026-08-21 23:16 639229508269999021
40 ms 162.159.6.249
70 2026-08-21 23:00 639229498559060171
6 ms 162.159.6.249
69 2026-08-21 22:43 639229488519347586
32 ms 162.159.6.249
68 2026-08-21 21:50 639229456606578934
26 ms 162.159.6.249
67 2026-08-21 21:34 639229446985772499
8 ms 162.159.6.249
66 2026-08-21 21:18 639229437367313098
36 ms 162.159.6.249
65 2026-08-21 21:02 639229427923950391
43 ms 162.159.6.249
64 2026-08-21 20:46 639229418168588854
48 ms 162.159.6.249
63 2026-08-21 20:30 639229408345678334
82 ms 162.159.6.249
62 2026-08-21 20:13 639229398616354648
35 ms 162.159.6.249
61 2026-08-21 19:57 639229388634592323
2096 ms 162.159.6.249
60 2026-08-21 19:40 639229378792837692
27 ms 162.159.6.249
59 2026-08-21 19:24 639229369154682311
9 ms 162.159.6.249
58 2026-08-21 19:08 639229359248017926
20 ms 162.159.6.249
57 2026-08-21 18:51 639229349124294642
16 ms 162.159.6.249
56 2026-08-21 17:59 639229317791715692
52 ms 162.159.6.249
55 2026-08-21 17:42 639229308115194575
218 ms 162.159.6.249
54 2026-08-21 17:26 639229298320320558
11 ms 162.159.6.249
53 2026-08-21 17:10 639229288674863221
2039 ms 162.159.6.249
52 2026-08-21 16:54 639229278983677079
-
51 2026-08-21 16:38 639229269405517175
12 ms 162.159.6.249
50 2026-08-21 16:22 639229259594798244
7 ms 162.159.6.249
49 2026-08-21 16:05 639229249736681188
25 ms 162.159.6.249
48 2026-08-21 15:49 639229239699417787
48 ms 162.159.6.249
47 2026-08-21 15:32 639229229621964033
21 ms 162.159.6.249
46 2026-08-21 15:15 639229219567270965
14 ms 162.159.6.249
45 2026-08-21 14:58 639229209406666856
10 ms 162.159.6.249
44 2026-08-21 14:05 639229177815876178
2036 ms 162.159.6.249
43 2026-08-21 13:49 639229168243572685
52 ms 162.159.6.249
42 2026-08-21 13:33 639229158599856475
7 ms 162.159.6.249
41 2026-08-21 13:17 639229148998940902
35 ms 162.159.6.249
40 2026-08-21 13:01 639229139276923594
36 ms 162.159.6.249
39 2026-08-21 12:45 639229129709912394
75 ms 162.159.6.249
38 2026-08-21 12:29 639229119801488500
51 ms 162.159.6.249
37 2026-08-21 12:12 639229110135262458
448 ms 162.159.6.249
36 2026-08-21 11:56 639229100336051392
13 ms 162.159.6.249
35 2026-08-21 11:40 639229090641415626
67 ms 162.159.6.249
34 2026-08-21 11:23 639229080702683947
61 ms 162.159.6.249
33 2026-08-21 11:07 639229070601456699
7 ms 162.159.6.249
32 2026-08-21 10:14 639229038947447232
22 ms 162.159.6.249
31 2026-08-21 09:58 639229029268708773
21 ms 162.159.6.249
30 2026-08-21 09:42 639229019647910603
40 ms 162.159.6.249
29 2026-08-21 09:26 639229009983843738
30 ms 162.159.6.249
28 2026-08-21 09:09 639229000203331882
28 ms 162.159.6.249
27 2026-08-21 08:53 639228990302335999
7 ms 162.159.6.249
26 2026-08-21 08:37 639228980567740722
10 ms 162.159.6.249
25 2026-08-21 08:20 639228970762445174
2044 ms 162.159.6.249
24 2026-08-21 08:04 639228961065054445
24 ms 162.159.6.249
23 2026-08-21 07:48 639228951224649885
125 ms 162.159.6.249
22 2026-08-21 07:31 639228941303864592
13 ms 162.159.6.249
21 2026-08-21 07:14 639228931191328583
29 ms 162.159.6.249
20 2026-08-21 06:22 639228899518173317
27 ms 162.159.6.249
19 2026-08-21 06:05 639228889785027669
88 ms 162.159.6.249
18 2026-08-21 05:49 639228880106330161
33 ms 162.159.6.249
17 2026-08-21 05:33 639228870316184091
2030 ms 162.159.6.249
16 2026-08-21 05:17 639228860695366512
7 ms 162.159.6.249
15 2026-08-21 05:01 639228851027209500
6 ms 162.159.6.249
14 2026-08-21 04:45 639228841479265462
4 ms 162.159.6.249
13 2026-08-21 04:29 639228831752962260
39 ms 162.159.6.249
12 2026-08-21 04:12 639228821953295483
20 ms 162.159.6.249
11 2026-08-21 03:56 639228812227429953
22 ms 162.159.6.249
10 2026-08-21 03:40 639228802476107538
21 ms 162.159.6.249
9 2026-08-21 03:23 639228792525492032
2021 ms 162.159.6.249
8 2026-08-21 02:31 639228761131421385
16 ms 162.159.6.249
7 2026-08-21 02:15 639228751571206692
14 ms 162.159.6.249
6 2026-08-21 01:58 639228741705571019
26 ms 162.159.6.249
5 2026-08-21 01:42 639228731642208228
6 ms 162.159.6.249
4 2026-08-21 00:50 639228700387002072
2029 ms 162.159.6.249
3 2026-08-21 00:33 639228690742014433
57 ms 162.159.6.249
2 2026-08-21 00:17 639228680877937122
42 ms 162.159.6.249
1 2026-08-21 00:00 639228670775860800
8 ms 162.159.6.249