DNS response history for ns1.rackboost.net

ns1.rackboost.net 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 72 DNS check records, 71 successful responses, 1 failed responses, and 286 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 ns1.rackboost.net.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

286 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

188.166.55.200

Most recently resolved hosting IP on selected date

Successful Responses

71

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 ns1.rackboost.net

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
72 2026-08-21 23:46 639229527598660841
42 ms 188.166.55.200
71 2026-08-21 23:30 639229517954323214
21 ms 188.166.55.200
70 2026-08-21 23:14 639229508269999021
47 ms 188.166.55.200
69 2026-08-21 22:57 639229498559060171
11 ms 188.166.55.200
68 2026-08-21 22:41 639229488519347586
78 ms 188.166.55.200
67 2026-08-21 21:47 639229456606578934
26 ms 188.166.55.200
66 2026-08-21 21:31 639229446985772499
43 ms 188.166.55.200
65 2026-08-21 21:15 639229437367313098
16 ms 188.166.55.200
64 2026-08-21 21:00 639229427923950391
103 ms 188.166.55.200
63 2026-08-21 20:43 639229418168588854
38 ms 188.166.55.200
62 2026-08-21 20:27 639229408345678334
7 ms 188.166.55.200
61 2026-08-21 20:11 639229398616354648
10 ms 188.166.55.200
60 2026-08-21 19:54 639229388634592323
11 ms 188.166.55.200
59 2026-08-21 19:38 639229378792837692
58 ms 188.166.55.200
58 2026-08-21 19:22 639229369154682311
23 ms 188.166.55.200
57 2026-08-21 19:05 639229359248017926
40 ms 188.166.55.200
56 2026-08-21 18:48 639229349124294642
11 ms 188.166.55.200
55 2026-08-21 17:56 639229317791715692
50 ms 188.166.55.200
54 2026-08-21 17:40 639229308115194575
31 ms 188.166.55.200
53 2026-08-21 17:24 639229298320320558
24 ms 188.166.55.200
52 2026-08-21 17:07 639229288674863221
22 ms 188.166.55.200
51 2026-08-21 16:51 639229278983677079
2009 ms 188.166.55.200
50 2026-08-21 16:35 639229269405517175
2020 ms 188.166.55.200
49 2026-08-21 16:19 639229259594798244
6 ms 188.166.55.200
48 2026-08-21 16:03 639229249736681188
13 ms 188.166.55.200
47 2026-08-21 15:46 639229239699417787
2055 ms 188.166.55.200
46 2026-08-21 15:29 639229229621964033
33 ms 188.166.55.200
45 2026-08-21 15:12 639229219567270965
10 ms 188.166.55.200
44 2026-08-21 14:55 639229209406666856
64 ms 188.166.55.200
43 2026-08-21 14:03 639229177815876178
12 ms 188.166.55.200
42 2026-08-21 13:47 639229168243572685
33 ms 188.166.55.200
41 2026-08-21 13:31 639229158599856475
11 ms 188.166.55.200
40 2026-08-21 13:15 639229148998940902
26 ms 188.166.55.200
39 2026-08-21 12:59 639229139276923594
172 ms 188.166.55.200
38 2026-08-21 12:43 639229129709912394
2038 ms 188.166.55.200
37 2026-08-21 12:26 639229119801488500
28 ms 188.166.55.200
36 2026-08-21 12:10 639229110135262458
5 ms 188.166.55.200
35 2026-08-21 11:54 639229100336051392
14 ms 188.166.55.200
34 2026-08-21 11:37 639229090641415626
24 ms 188.166.55.200
33 2026-08-21 11:21 639229080702683947
11 ms 188.166.55.200
32 2026-08-21 11:04 639229070601456699
45 ms 188.166.55.200
31 2026-08-21 10:11 639229038947447232
33 ms 188.166.55.200
30 2026-08-21 09:55 639229029268708773
22 ms 188.166.55.200
29 2026-08-21 09:39 639229019647910603
22 ms 188.166.55.200
28 2026-08-21 09:23 639229009983843738
44 ms 188.166.55.200
27 2026-08-21 09:07 639229000203331882
33 ms 188.166.55.200
26 2026-08-21 08:50 639228990302335999
44 ms 188.166.55.200
25 2026-08-21 08:34 639228980567740722
2041 ms 188.166.55.200
24 2026-08-21 08:18 639228970762445174
52 ms 188.166.55.200
23 2026-08-21 08:02 639228961065054445
2033 ms 188.166.55.200
22 2026-08-21 07:45 639228951224649885
92 ms 188.166.55.200
21 2026-08-21 07:29 639228941303864592
32 ms 188.166.55.200
20 2026-08-21 07:12 639228931191328583
4030 ms 188.166.55.200
19 2026-08-21 06:19 639228899518173317
32 ms 188.166.55.200
18 2026-08-21 06:03 639228889785027669
33 ms 188.166.55.200
17 2026-08-21 05:47 639228880106330161
35 ms 188.166.55.200
16 2026-08-21 05:30 639228870316184091
3 ms 188.166.55.200
15 2026-08-21 05:14 639228860695366512
11 ms 188.166.55.200
14 2026-08-21 04:58 639228851027209500
36 ms 188.166.55.200
13 2026-08-21 04:42 639228841479265462
16 ms 188.166.55.200
12 2026-08-21 04:26 639228831752962260
16 ms 188.166.55.200
11 2026-08-21 04:10 639228821953295483
36 ms 188.166.55.200
10 2026-08-21 03:53 639228812227429953
15 ms 188.166.55.200
9 2026-08-21 03:37 639228802476107538
18 ms 188.166.55.200
8 2026-08-21 03:21 639228792525492032
-
7 2026-08-21 02:28 639228761131421385
4 ms 188.166.55.200
6 2026-08-21 02:12 639228751571206692
123 ms 188.166.55.200
5 2026-08-21 01:56 639228741705571019
21 ms 188.166.55.200
4 2026-08-21 01:39 639228731642208228
20 ms 188.166.55.200
3 2026-08-21 00:47 639228700387002072
10 ms 188.166.55.200
2 2026-08-21 00:31 639228690742014433
21 ms 188.166.55.200
1 2026-08-21 00:15 639228680877937122
2027 ms 188.166.55.200