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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 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 ns2.cdh91.com.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

151 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:48

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

73

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 ns2.cdh91.com

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:48 639230391807229016
49 ms 51.178.194.170
73 2026-08-22 23:32 639230382051619327
17 ms 51.178.194.170
72 2026-08-22 23:15 639230372323353529
46 ms 51.178.194.170
71 2026-08-22 22:59 639230362586451064
30 ms 51.178.194.170
70 2026-08-22 22:43 639230352793666303
34 ms 51.178.194.170
69 2026-08-22 22:26 639230342775737758
35 ms 51.178.194.170
68 2026-08-22 22:09 639230332639939561
25 ms 51.178.194.170
67 2026-08-22 21:16 639230301014190104
45 ms 51.178.194.170
66 2026-08-22 21:00 639230291048161498
35 ms 51.178.194.170
65 2026-08-22 20:43 639230280894353664
56 ms 51.178.194.170
64 2026-08-22 20:26 639230270699419073
71 ms 51.178.194.170
63 2026-08-22 20:09 639230260248163050
34 ms 51.178.194.170
62 2026-08-22 19:52 639230250122494282
34 ms 51.178.194.170
61 2026-08-22 19:35 639230239972935046
155 ms 51.178.194.170
60 2026-08-22 19:18 639230229963262464
14 ms 51.178.194.170
59 2026-08-22 19:01 639230220033804658
49 ms 51.178.194.170
58 2026-08-22 18:45 639230209891107289
31 ms 51.178.194.170
57 2026-08-22 18:28 639230199630298717
47 ms 51.178.194.170
56 2026-08-22 18:10 639230189301984150
29 ms 51.178.194.170
55 2026-08-22 17:17 639230157138468804
2043 ms 51.178.194.170
54 2026-08-22 17:00 639230146987869495
2054 ms 51.178.194.170
53 2026-08-22 16:43 639230136768638516
23 ms 51.178.194.170
52 2026-08-22 16:26 639230126735907877
47 ms 51.178.194.170
51 2026-08-22 16:09 639230116551187768
38 ms 51.178.194.170
50 2026-08-22 15:52 639230106335615913
41 ms 51.178.194.170
49 2026-08-22 15:35 639230096177758176
50 ms 51.178.194.170
48 2026-08-22 15:18 639230086185999993
41 ms 51.178.194.170
47 2026-08-22 15:02 639230076247854903
44 ms 51.178.194.170
46 2026-08-22 14:45 639230066076077530
33 ms 51.178.194.170
45 2026-08-22 14:28 639230055738197328
40 ms 51.178.194.170
44 2026-08-22 14:10 639230045411225521
31 ms 51.178.194.170
43 2026-08-22 13:16 639230013046000470
49 ms 51.178.194.170
42 2026-08-22 13:00 639230003090037878
28 ms 51.178.194.170
41 2026-08-22 12:43 639229993008259475
35 ms 51.178.194.170
40 2026-08-22 12:26 639229982909449470
47 ms 51.178.194.170
39 2026-08-22 12:10 639229973035502212
30 ms 51.178.194.170
38 2026-08-22 11:53 639229963064296145
83 ms 51.178.194.170
37 2026-08-22 11:37 639229952996162143
46 ms 51.178.194.170
36 2026-08-22 11:20 639229943051949195
48 ms 51.178.194.170
35 2026-08-22 11:03 639229932919214934
35 ms 51.178.194.170
34 2026-08-22 10:46 639229922745889838
28 ms 51.178.194.170
33 2026-08-22 10:29 639229912587214796
29 ms 51.178.194.170
32 2026-08-22 10:12 639229902240004454
42 ms 51.178.194.170
31 2026-08-22 09:19 639229870800501662
111 ms 51.178.194.170
30 2026-08-22 09:03 639229861058384956
17 ms 51.178.194.170
29 2026-08-22 08:47 639229851158592604
-
28 2026-08-22 08:31 639229841475569629
61 ms 51.178.194.170
27 2026-08-22 08:15 639229831887658471
7 ms 51.178.194.170
26 2026-08-22 07:58 639229822043670346
40 ms 51.178.194.170
25 2026-08-22 07:42 639229812327913936
28 ms 51.178.194.170
24 2026-08-22 07:26 639229802629488686
38 ms 51.178.194.170
23 2026-08-22 07:10 639229793051447309
34 ms 51.178.194.170
22 2026-08-22 06:54 639229783303531961
66 ms 51.178.194.170
21 2026-08-22 06:37 639229773458051942
52 ms 51.178.194.170
20 2026-08-22 06:21 639229763373848056
3 ms 51.178.194.170
19 2026-08-22 05:28 639229732140622809
33 ms 51.178.194.170
18 2026-08-22 05:13 639229722699695967
32 ms 51.178.194.170
17 2026-08-22 04:57 639229713097498075
83 ms 51.178.194.170
16 2026-08-22 04:41 639229703543969637
23 ms 51.178.194.170
15 2026-08-22 04:25 639229693970392873
38 ms 51.178.194.170
14 2026-08-22 04:09 639229684277329469
42 ms 51.178.194.170
13 2026-08-22 03:52 639229674501596661
2015 ms 51.178.194.170
12 2026-08-22 03:37 639229665064441147
39 ms 51.178.194.170
11 2026-08-22 03:21 639229655507536872
15 ms 51.178.194.170
10 2026-08-22 03:04 639229645849603111
67 ms 51.178.194.170
9 2026-08-22 02:48 639229636090497453
2044 ms 51.178.194.170
8 2026-08-22 02:32 639229625978544281
5 ms 51.178.194.170
7 2026-08-22 01:39 639229594644662176
3 ms 51.178.194.170
6 2026-08-22 01:23 639229585214633065
3 ms 51.178.194.170
5 2026-08-22 01:07 639229575581042175
33 ms 51.178.194.170
4 2026-08-22 00:51 639229565912268962
45 ms 51.178.194.170
3 2026-08-22 00:35 639229556237813203
40 ms 51.178.194.170
2 2026-08-22 00:19 639229546625802518
52 ms 51.178.194.170
1 2026-08-22 00:03 639229537172016621
153 ms 51.178.194.170