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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 248 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

75

Historical checks stored for this nameserver on selected date

Average Latency

248 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:46

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

74

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 2026-08-23 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
75 2026-08-23 23:46 639231254406598736
4 ms 51.178.194.170
74 2026-08-23 23:29 639231244697865594
36 ms 51.178.194.170
73 2026-08-23 23:13 639231234893504693
15 ms 51.178.194.170
72 2026-08-23 22:57 639231225024549139
35 ms 51.178.194.170
71 2026-08-23 22:40 639231214931957622
2060 ms 51.178.194.170
70 2026-08-23 22:23 639231204962010549
7 ms 51.178.194.170
69 2026-08-23 22:07 639231195170138463
49 ms 51.178.194.170
68 2026-08-23 21:50 639231185235020577
66 ms 51.178.194.170
67 2026-08-23 21:34 639231175558690075
41 ms 51.178.194.170
66 2026-08-23 21:17 639231165610444012
35 ms 51.178.194.170
65 2026-08-23 20:24 639231133806425363
45 ms 51.178.194.170
64 2026-08-23 20:08 639231124203758023
29 ms 51.178.194.170
63 2026-08-23 19:52 639231114428262706
6 ms 51.178.194.170
62 2026-08-23 19:36 639231104662480065
2012 ms 51.178.194.170
61 2026-08-23 19:20 639231094840372018
31 ms 51.178.194.170
60 2026-08-23 19:03 639231085024583224
41 ms 51.178.194.170
59 2026-08-23 18:47 639231075257417427
72 ms 51.178.194.170
58 2026-08-23 18:31 639231065516009503
9 ms 51.178.194.170
57 2026-08-23 18:14 639231055805348837
48 ms 51.178.194.170
56 2026-08-23 17:58 639231045980373765
3 ms 51.178.194.170
55 2026-08-23 17:41 639231035984577527
2047 ms 51.178.194.170
54 2026-08-23 17:25 639231025928115303
43 ms 51.178.194.170
53 2026-08-23 16:32 639230994250157583
5 ms 51.178.194.170
52 2026-08-23 16:16 639230984476411369
4 ms 51.178.194.170
51 2026-08-23 16:00 639230974838373450
41 ms 51.178.194.170
50 2026-08-23 15:44 639230965244277645
52 ms 51.178.194.170
49 2026-08-23 15:27 639230955522101820
9 ms 51.178.194.170
48 2026-08-23 15:11 639230945754521603
38 ms 51.178.194.170
47 2026-08-23 14:55 639230935852040504
6 ms 51.178.194.170
46 2026-08-23 14:38 639230926222061048
54 ms 51.178.194.170
45 2026-08-23 14:22 639230916449726907
4 ms 51.178.194.170
44 2026-08-23 14:06 639230906595053086
10 ms 51.178.194.170
43 2026-08-23 13:49 639230896680429441
49 ms 51.178.194.170
42 2026-08-23 13:33 639230886630210965
95 ms 51.178.194.170
41 2026-08-23 12:41 639230855430405719
45 ms 51.178.194.170
40 2026-08-23 12:24 639230845707499136
38 ms 51.178.194.170
39 2026-08-23 12:09 639230836186805419
61 ms 51.178.194.170
38 2026-08-23 11:52 639230826493828316
64 ms 51.178.194.170
37 2026-08-23 11:36 639230816817882996
9 ms 51.178.194.170
36 2026-08-23 11:20 639230806933854189
20 ms 51.178.194.170
35 2026-08-23 11:03 639230797120243854
44 ms 51.178.194.170
34 2026-08-23 10:47 639230787310272840
37 ms 51.178.194.170
33 2026-08-23 10:31 639230777600173142
4 ms 51.178.194.170
32 2026-08-23 10:14 639230767665024593
45 ms 51.178.194.170
31 2026-08-23 09:58 639230757720962293
33 ms 51.178.194.170
30 2026-08-23 09:41 639230747722189784
2020 ms 51.178.194.170
29 2026-08-23 08:49 639230716313923480
2019 ms 51.178.194.170
28 2026-08-23 08:33 639230706813835990
53 ms 51.178.194.170
27 2026-08-23 08:16 639230696871062203
2032 ms 51.178.194.170
26 2026-08-23 08:00 639230687142781616
32 ms 51.178.194.170
25 2026-08-23 07:44 639230677432142227
41 ms 51.178.194.170
24 2026-08-23 07:28 639230667686258061
5 ms 51.178.194.170
23 2026-08-23 07:11 639230658039243685
31 ms 51.178.194.170
22 2026-08-23 06:56 639230648468473803
2043 ms 51.178.194.170
21 2026-08-23 06:40 639230638829658294
28 ms 51.178.194.170
20 2026-08-23 06:23 639230629247017617
66 ms 51.178.194.170
19 2026-08-23 06:07 639230619625318239
55 ms 51.178.194.170
18 2026-08-23 05:51 639230609697630264
25 ms 51.178.194.170
17 2026-08-23 04:59 639230578570131864
6 ms 51.178.194.170
16 2026-08-23 04:43 639230568958963168
35 ms 51.178.194.170
15 2026-08-23 04:27 639230559287611211
4 ms 51.178.194.170
14 2026-08-23 04:11 639230549524312030
22 ms 51.178.194.170
13 2026-08-23 03:54 639230539739801669
4 ms 51.178.194.170
12 2026-08-23 03:38 639230530084069375
24 ms 51.178.194.170
11 2026-08-23 03:22 639230520362691441
37 ms 51.178.194.170
10 2026-08-23 03:06 639230510677194518
26 ms 51.178.194.170
9 2026-08-23 02:50 639230501156002646
27 ms 51.178.194.170
8 2026-08-23 02:34 639230491502198541
30 ms 51.178.194.170
7 2026-08-23 02:18 639230481860318494
38 ms 51.178.194.170
6 2026-08-23 02:01 639230471893008575
2036 ms 51.178.194.170
5 2026-08-23 01:08 639230440030877421
26 ms 51.178.194.170
4 2026-08-23 00:52 639230430479725508
-
3 2026-08-23 00:36 639230420875160219
30 ms 51.178.194.170
2 2026-08-23 00:20 639230411240692575
20 ms 51.178.194.170
1 2026-08-23 00:04 639230401550806607
25 ms 51.178.194.170