DNS response history for b2.cloudtb.com

b2.cloudtb.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 347 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 b2.cloudtb.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

347 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

5.104.107.188

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 b2.cloudtb.com

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 23:50 639229527598660841
176 ms 5.104.107.188
72 2026-08-21 23:34 639229517954323214
30 ms 5.104.107.188
71 2026-08-21 23:18 639229508269999021
13 ms 5.104.107.188
70 2026-08-21 23:01 639229498559060171
21 ms 5.104.107.188
69 2026-08-21 22:45 639229488519347586
25 ms 5.104.107.188
68 2026-08-21 21:52 639229456606578934
2022 ms 5.104.107.188
67 2026-08-21 21:35 639229446985772499
34 ms 5.104.107.188
66 2026-08-21 21:19 639229437367313098
4018 ms 5.104.107.188
65 2026-08-21 21:04 639229427923950391
32 ms 5.104.107.188
64 2026-08-21 20:47 639229418168588854
2037 ms 5.104.107.188
63 2026-08-21 20:31 639229408345678334
163 ms 5.104.107.188
62 2026-08-21 20:15 639229398616354648
304 ms 5.104.107.188
61 2026-08-21 19:58 639229388634592323
84 ms 5.104.107.188
60 2026-08-21 19:42 639229378792837692
183 ms 5.104.107.188
59 2026-08-21 19:26 639229369154682311
2030 ms 5.104.107.188
58 2026-08-21 19:09 639229359248017926
30 ms 5.104.107.188
57 2026-08-21 18:52 639229349124294642
189 ms 5.104.107.188
56 2026-08-21 18:00 639229317791715692
42 ms 5.104.107.188
55 2026-08-21 17:44 639229308115194575
14 ms 5.104.107.188
54 2026-08-21 17:28 639229298320320558
23 ms 5.104.107.188
53 2026-08-21 17:12 639229288674863221
39 ms 5.104.107.188
52 2026-08-21 16:55 639229278983677079
98 ms 5.104.107.188
51 2026-08-21 16:39 639229269405517175
4 ms 5.104.107.188
50 2026-08-21 16:23 639229259594798244
3 ms 5.104.107.188
49 2026-08-21 16:07 639229249736681188
40 ms 5.104.107.188
48 2026-08-21 15:50 639229239699417787
7 ms 5.104.107.188
47 2026-08-21 15:33 639229229621964033
10 ms 5.104.107.188
46 2026-08-21 15:16 639229219567270965
23 ms 5.104.107.188
45 2026-08-21 15:00 639229209406666856
31 ms 5.104.107.188
44 2026-08-21 14:07 639229177815876178
7 ms 5.104.107.188
43 2026-08-21 13:51 639229168243572685
28 ms 5.104.107.188
42 2026-08-21 13:35 639229158599856475
6 ms 5.104.107.188
41 2026-08-21 13:19 639229148998940902
50 ms 5.104.107.188
40 2026-08-21 13:03 639229139276923594
157 ms 5.104.107.188
39 2026-08-21 12:47 639229129709912394
243 ms 5.104.107.188
38 2026-08-21 12:30 639229119801488500
2168 ms 5.104.107.188
37 2026-08-21 12:14 639229110135262458
48 ms 5.104.107.188
36 2026-08-21 11:58 639229100336051392
260 ms 5.104.107.188
35 2026-08-21 11:41 639229090641415626
21 ms 5.104.107.188
34 2026-08-21 11:25 639229080702683947
2030 ms 5.104.107.188
33 2026-08-21 11:08 639229070601456699
23 ms 5.104.107.188
32 2026-08-21 10:15 639229038947447232
161 ms 5.104.107.188
31 2026-08-21 09:59 639229029268708773
91 ms 5.104.107.188
30 2026-08-21 09:43 639229019647910603
17 ms 5.104.107.188
29 2026-08-21 09:27 639229009983843738
9 ms 5.104.107.188
28 2026-08-21 09:11 639229000203331882
100 ms 5.104.107.188
27 2026-08-21 08:54 639228990302335999
2090 ms 5.104.107.188
26 2026-08-21 08:38 639228980567740722
26 ms 5.104.107.188
25 2026-08-21 08:22 639228970762445174
15 ms 5.104.107.188
24 2026-08-21 08:06 639228961065054445
35 ms 5.104.107.188
23 2026-08-21 07:49 639228951224649885
45 ms 5.104.107.188
22 2026-08-21 07:33 639228941303864592
45 ms 5.104.107.188
21 2026-08-21 07:16 639228931191328583
15 ms 5.104.107.188
20 2026-08-21 06:23 639228899518173317
34 ms 5.104.107.188
19 2026-08-21 06:07 639228889785027669
30 ms 5.104.107.188
18 2026-08-21 05:51 639228880106330161
2 ms 5.104.107.188
17 2026-08-21 05:34 639228870316184091
50 ms 5.104.107.188
16 2026-08-21 05:18 639228860695366512
173 ms 5.104.107.188
15 2026-08-21 05:02 639228851027209500
332 ms 5.104.107.188
14 2026-08-21 04:46 639228841479265462
12 ms 5.104.107.188
13 2026-08-21 04:30 639228831752962260
8 ms 5.104.107.188
12 2026-08-21 04:14 639228821953295483
2164 ms 5.104.107.188
11 2026-08-21 03:58 639228812227429953
4 ms 5.104.107.188
10 2026-08-21 03:41 639228802476107538
44 ms 5.104.107.188
9 2026-08-21 03:25 639228792525492032
6 ms 5.104.107.188
8 2026-08-21 02:32 639228761131421385
-
7 2026-08-21 02:16 639228751571206692
2020 ms 5.104.107.188
6 2026-08-21 02:00 639228741705571019
178 ms 5.104.107.188
5 2026-08-21 01:43 639228731642208228
10 ms 5.104.107.188
4 2026-08-21 00:51 639228700387002072
105 ms 5.104.107.188
3 2026-08-21 00:35 639228690742014433
9 ms 5.104.107.188
2 2026-08-21 00:19 639228680877937122
81 ms 5.104.107.188
1 2026-08-21 00:02 639228670775860800
293 ms 5.104.107.188