DNS response history for ns2.cdh91.com

ns2.cdh91.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 72 DNS check records, 72 successful responses, 0 failed responses, and 293 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 ns2.cdh91.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

293 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.178.194.170

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.cdh91.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
72 2026-08-21 23:47 639229527598660841
2024 ms 51.178.194.170
71 2026-08-21 23:31 639229517954323214
61 ms 51.178.194.170
70 2026-08-21 23:15 639229508269999021
100 ms 51.178.194.170
69 2026-08-21 22:59 639229498559060171
4 ms 51.178.194.170
68 2026-08-21 22:42 639229488519347586
48 ms 51.178.194.170
67 2026-08-21 21:49 639229456606578934
2009 ms 51.178.194.170
66 2026-08-21 21:33 639229446985772499
41 ms 51.178.194.170
65 2026-08-21 21:17 639229437367313098
6 ms 51.178.194.170
64 2026-08-21 21:01 639229427923950391
3 ms 51.178.194.170
63 2026-08-21 20:45 639229418168588854
14 ms 51.178.194.170
62 2026-08-21 20:29 639229408345678334
69 ms 51.178.194.170
61 2026-08-21 20:12 639229398616354648
58 ms 51.178.194.170
60 2026-08-21 19:56 639229388634592323
40 ms 51.178.194.170
59 2026-08-21 19:39 639229378792837692
2038 ms 51.178.194.170
58 2026-08-21 19:23 639229369154682311
25 ms 51.178.194.170
57 2026-08-21 19:07 639229359248017926
5 ms 51.178.194.170
56 2026-08-21 18:50 639229349124294642
5 ms 51.178.194.170
55 2026-08-21 17:58 639229317791715692
18 ms 51.178.194.170
54 2026-08-21 17:42 639229308115194575
34 ms 51.178.194.170
53 2026-08-21 17:25 639229298320320558
2020 ms 51.178.194.170
52 2026-08-21 17:09 639229288674863221
36 ms 51.178.194.170
51 2026-08-21 16:53 639229278983677079
20 ms 51.178.194.170
50 2026-08-21 16:37 639229269405517175
56 ms 51.178.194.170
49 2026-08-21 16:21 639229259594798244
38 ms 51.178.194.170
48 2026-08-21 16:04 639229249736681188
2122 ms 51.178.194.170
47 2026-08-21 15:48 639229239699417787
62 ms 51.178.194.170
46 2026-08-21 15:31 639229229621964033
37 ms 51.178.194.170
45 2026-08-21 15:14 639229219567270965
24 ms 51.178.194.170
44 2026-08-21 14:57 639229209406666856
2012 ms 51.178.194.170
43 2026-08-21 14:04 639229177815876178
17 ms 51.178.194.170
42 2026-08-21 13:49 639229168243572685
89 ms 51.178.194.170
41 2026-08-21 13:32 639229158599856475
31 ms 51.178.194.170
40 2026-08-21 13:16 639229148998940902
65 ms 51.178.194.170
39 2026-08-21 13:00 639229139276923594
70 ms 51.178.194.170
38 2026-08-21 12:44 639229129709912394
24 ms 51.178.194.170
37 2026-08-21 12:28 639229119801488500
43 ms 51.178.194.170
36 2026-08-21 12:12 639229110135262458
2116 ms 51.178.194.170
35 2026-08-21 11:55 639229100336051392
21 ms 51.178.194.170
34 2026-08-21 11:39 639229090641415626
89 ms 51.178.194.170
33 2026-08-21 11:23 639229080702683947
48 ms 51.178.194.170
32 2026-08-21 11:06 639229070601456699
33 ms 51.178.194.170
31 2026-08-21 10:13 639229038947447232
41 ms 51.178.194.170
30 2026-08-21 09:57 639229029268708773
141 ms 51.178.194.170
29 2026-08-21 09:41 639229019647910603
40 ms 51.178.194.170
28 2026-08-21 09:25 639229009983843738
2038 ms 51.178.194.170
27 2026-08-21 09:08 639229000203331882
32 ms 51.178.194.170
26 2026-08-21 08:52 639228990302335999
47 ms 51.178.194.170
25 2026-08-21 08:36 639228980567740722
27 ms 51.178.194.170
24 2026-08-21 08:19 639228970762445174
37 ms 51.178.194.170
23 2026-08-21 08:03 639228961065054445
39 ms 51.178.194.170
22 2026-08-21 07:47 639228951224649885
153 ms 51.178.194.170
21 2026-08-21 07:30 639228941303864592
26 ms 51.178.194.170
20 2026-08-21 07:13 639228931191328583
8 ms 51.178.194.170
19 2026-08-21 06:21 639228899518173317
42 ms 51.178.194.170
18 2026-08-21 06:04 639228889785027669
21 ms 51.178.194.170
17 2026-08-21 05:48 639228880106330161
2056 ms 51.178.194.170
16 2026-08-21 05:32 639228870316184091
3 ms 51.178.194.170
15 2026-08-21 05:16 639228860695366512
23 ms 51.178.194.170
14 2026-08-21 05:00 639228851027209500
20 ms 51.178.194.170
13 2026-08-21 04:44 639228841479265462
41 ms 51.178.194.170
12 2026-08-21 04:28 639228831752962260
39 ms 51.178.194.170
11 2026-08-21 04:11 639228821953295483
42 ms 51.178.194.170
10 2026-08-21 03:55 639228812227429953
41 ms 51.178.194.170
9 2026-08-21 03:39 639228802476107538
28 ms 51.178.194.170
8 2026-08-21 03:22 639228792525492032
31 ms 51.178.194.170
7 2026-08-21 02:30 639228761131421385
24 ms 51.178.194.170
6 2026-08-21 02:14 639228751571206692
122 ms 51.178.194.170
5 2026-08-21 01:58 639228741705571019
73 ms 51.178.194.170
4 2026-08-21 01:41 639228731642208228
10 ms 51.178.194.170
3 2026-08-21 00:49 639228700387002072
77 ms 51.178.194.170
2 2026-08-21 00:33 639228690742014433
39 ms 51.178.194.170
1 2026-08-21 00:16 639228680877937122
32 ms 51.178.194.170