DNS response history for ptr2.kutbu.com

ptr2.kutbu.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 151 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 ptr2.kutbu.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

151 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

212.12.149.110

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 ptr2.kutbu.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 23:48 639229527598660841
76 ms 212.12.149.110
72 2026-08-21 23:32 639229517954323214
4 ms 212.12.149.110
71 2026-08-21 23:16 639229508269999021
27 ms 212.12.149.110
70 2026-08-21 23:00 639229498559060171
33 ms 212.12.149.110
69 2026-08-21 22:43 639229488519347586
-
68 2026-08-21 21:50 639229456606578934
18 ms 212.12.149.110
67 2026-08-21 21:34 639229446985772499
28 ms 212.12.149.110
66 2026-08-21 21:18 639229437367313098
87 ms 212.12.149.110
65 2026-08-21 21:02 639229427923950391
19 ms 212.12.149.110
64 2026-08-21 20:46 639229418168588854
13 ms 212.12.149.110
63 2026-08-21 20:29 639229408345678334
52 ms 212.12.149.110
62 2026-08-21 20:13 639229398616354648
18 ms 212.12.149.110
61 2026-08-21 19:57 639229388634592323
313 ms 212.12.149.110
60 2026-08-21 19:40 639229378792837692
35 ms 212.12.149.110
59 2026-08-21 19:24 639229369154682311
13 ms 212.12.149.110
58 2026-08-21 19:07 639229359248017926
53 ms 212.12.149.110
57 2026-08-21 18:51 639229349124294642
49 ms 212.12.149.110
56 2026-08-21 17:58 639229317791715692
32 ms 212.12.149.110
55 2026-08-21 17:42 639229308115194575
41 ms 212.12.149.110
54 2026-08-21 17:26 639229298320320558
78 ms 212.12.149.110
53 2026-08-21 17:10 639229288674863221
10 ms 212.12.149.110
52 2026-08-21 16:54 639229278983677079
135 ms 212.12.149.110
51 2026-08-21 16:38 639229269405517175
39 ms 212.12.149.110
50 2026-08-21 16:21 639229259594798244
36 ms 212.12.149.110
49 2026-08-21 16:05 639229249736681188
6 ms 212.12.149.110
48 2026-08-21 15:48 639229239699417787
12 ms 212.12.149.110
47 2026-08-21 15:32 639229229621964033
20 ms 212.12.149.110
46 2026-08-21 15:15 639229219567270965
49 ms 212.12.149.110
45 2026-08-21 14:58 639229209406666856
68 ms 212.12.149.110
44 2026-08-21 14:05 639229177815876178
27 ms 212.12.149.110
43 2026-08-21 13:49 639229168243572685
28 ms 212.12.149.110
42 2026-08-21 13:33 639229158599856475
2115 ms 212.12.149.110
41 2026-08-21 13:17 639229148998940902
42 ms 212.12.149.110
40 2026-08-21 13:01 639229139276923594
18 ms 212.12.149.110
39 2026-08-21 12:45 639229129709912394
23 ms 212.12.149.110
38 2026-08-21 12:28 639229119801488500
40 ms 212.12.149.110
37 2026-08-21 12:12 639229110135262458
16 ms 212.12.149.110
36 2026-08-21 11:56 639229100336051392
2058 ms 212.12.149.110
35 2026-08-21 11:40 639229090641415626
31 ms 212.12.149.110
34 2026-08-21 11:23 639229080702683947
54 ms 212.12.149.110
33 2026-08-21 11:06 639229070601456699
42 ms 212.12.149.110
32 2026-08-21 10:14 639229038947447232
158 ms 212.12.149.110
31 2026-08-21 09:58 639229029268708773
36 ms 212.12.149.110
30 2026-08-21 09:42 639229019647910603
10 ms 212.12.149.110
29 2026-08-21 09:25 639229009983843738
13 ms 212.12.149.110
28 2026-08-21 09:09 639229000203331882
33 ms 212.12.149.110
27 2026-08-21 08:53 639228990302335999
51 ms 212.12.149.110
26 2026-08-21 08:36 639228980567740722
3 ms 212.12.149.110
25 2026-08-21 08:20 639228970762445174
7 ms 212.12.149.110
24 2026-08-21 08:04 639228961065054445
32 ms 212.12.149.110
23 2026-08-21 07:48 639228951224649885
25 ms 212.12.149.110
22 2026-08-21 07:31 639228941303864592
25 ms 212.12.149.110
21 2026-08-21 07:14 639228931191328583
16 ms 212.12.149.110
20 2026-08-21 06:21 639228899518173317
23 ms 212.12.149.110
19 2026-08-21 06:05 639228889785027669
53 ms 212.12.149.110
18 2026-08-21 05:49 639228880106330161
89 ms 212.12.149.110
17 2026-08-21 05:33 639228870316184091
13 ms 212.12.149.110
16 2026-08-21 05:17 639228860695366512
11 ms 212.12.149.110
15 2026-08-21 05:01 639228851027209500
24 ms 212.12.149.110
14 2026-08-21 04:45 639228841479265462
41 ms 212.12.149.110
13 2026-08-21 04:28 639228831752962260
27 ms 212.12.149.110
12 2026-08-21 04:12 639228821953295483
98 ms 212.12.149.110
11 2026-08-21 03:56 639228812227429953
4 ms 212.12.149.110
10 2026-08-21 03:40 639228802476107538
38 ms 212.12.149.110
9 2026-08-21 03:23 639228792525492032
7 ms 212.12.149.110
8 2026-08-21 02:31 639228761131421385
36 ms 212.12.149.110
7 2026-08-21 02:15 639228751571206692
5 ms 212.12.149.110
6 2026-08-21 01:58 639228741705571019
6 ms 212.12.149.110
5 2026-08-21 01:42 639228731642208228
29 ms 212.12.149.110
4 2026-08-21 00:49 639228700387002072
49 ms 212.12.149.110
3 2026-08-21 00:33 639228690742014433
4034 ms 212.12.149.110
2 2026-08-21 00:17 639228680877937122
21 ms 212.12.149.110
1 2026-08-21 00:00 639228670775860800
19 ms 212.12.149.110