DNS response history for ns521.cloudserverzone.com

ns521.cloudserverzone.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 367 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 ns521.cloudserverzone.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

367 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

103.184.242.19

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 ns521.cloudserverzone.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 23:49 639231254406598736
8 ms 103.184.242.19
74 2026-08-23 23:33 639231244697865594
149 ms 103.184.242.19
73 2026-08-23 23:17 639231234893504693
293 ms 103.184.242.19
72 2026-08-23 23:00 639231225024549139
5 ms 103.184.242.19
71 2026-08-23 22:43 639231214931957622
93 ms 103.184.242.19
70 2026-08-23 22:27 639231204962010549
-
69 2026-08-23 22:10 639231195170138463
4 ms 103.184.242.19
68 2026-08-23 21:54 639231185235020577
15 ms 103.184.242.19
67 2026-08-23 21:38 639231175558690075
5 ms 103.184.242.19
66 2026-08-23 21:21 639231165610444012
6 ms 103.184.242.19
65 2026-08-23 20:28 639231133806425363
2172 ms 103.184.242.19
64 2026-08-23 20:12 639231124203758023
63 ms 103.184.242.19
63 2026-08-23 19:56 639231114428262706
224 ms 103.184.242.19
62 2026-08-23 19:39 639231104662480065
107 ms 103.184.242.19
61 2026-08-23 19:23 639231094840372018
10 ms 103.184.242.19
60 2026-08-23 19:07 639231085024583224
296 ms 103.184.242.19
59 2026-08-23 18:50 639231075257417427
2044 ms 103.184.242.19
58 2026-08-23 18:34 639231065516009503
27 ms 103.184.242.19
57 2026-08-23 18:18 639231055805348837
2014 ms 103.184.242.19
56 2026-08-23 18:02 639231045980373765
32 ms 103.184.242.19
55 2026-08-23 17:45 639231035984577527
159 ms 103.184.242.19
54 2026-08-23 17:28 639231025928115303
39 ms 103.184.242.19
53 2026-08-23 16:36 639230994250157583
11 ms 103.184.242.19
52 2026-08-23 16:19 639230984476411369
18 ms 103.184.242.19
51 2026-08-23 16:03 639230974838373450
3 ms 103.184.242.19
50 2026-08-23 15:47 639230965244277645
4 ms 103.184.242.19
49 2026-08-23 15:31 639230955522101820
158 ms 103.184.242.19
48 2026-08-23 15:15 639230945754521603
6 ms 103.184.242.19
47 2026-08-23 14:58 639230935852040504
6 ms 103.184.242.19
46 2026-08-23 14:42 639230926222061048
148 ms 103.184.242.19
45 2026-08-23 14:26 639230916449726907
159 ms 103.184.242.19
44 2026-08-23 14:09 639230906595053086
2012 ms 103.184.242.19
43 2026-08-23 13:53 639230896680429441
20 ms 103.184.242.19
42 2026-08-23 13:36 639230886630210965
52 ms 103.184.242.19
41 2026-08-23 12:44 639230855430405719
9 ms 103.184.242.19
40 2026-08-23 12:28 639230845707499136
152 ms 103.184.242.19
39 2026-08-23 12:12 639230836186805419
54 ms 103.184.242.19
38 2026-08-23 11:56 639230826493828316
5 ms 103.184.242.19
37 2026-08-23 11:40 639230816817882996
29 ms 103.184.242.19
36 2026-08-23 11:23 639230806933854189
32 ms 103.184.242.19
35 2026-08-23 11:07 639230797120243854
2028 ms 103.184.242.19
34 2026-08-23 10:51 639230787310272840
2025 ms 103.184.242.19
33 2026-08-23 10:34 639230777600173142
2206 ms 103.184.242.19
32 2026-08-23 10:18 639230767665024593
5 ms 103.184.242.19
31 2026-08-23 10:01 639230757720962293
9 ms 103.184.242.19
30 2026-08-23 09:45 639230747722189784
177 ms 103.184.242.19
29 2026-08-23 08:52 639230716313923480
20 ms 103.184.242.19
28 2026-08-23 08:36 639230706813835990
295 ms 103.184.242.19
27 2026-08-23 08:20 639230696871062203
2185 ms 103.184.242.19
26 2026-08-23 08:04 639230687142781616
28 ms 103.184.242.19
25 2026-08-23 07:47 639230677432142227
2017 ms 103.184.242.19
24 2026-08-23 07:31 639230667686258061
151 ms 103.184.242.19
23 2026-08-23 07:15 639230658039243685
14 ms 103.184.242.19
22 2026-08-23 06:59 639230648468473803
147 ms 103.184.242.19
21 2026-08-23 06:43 639230638829658294
156 ms 103.184.242.19
20 2026-08-23 06:27 639230629247017617
169 ms 103.184.242.19
19 2026-08-23 06:11 639230619625318239
4 ms 103.184.242.19
18 2026-08-23 05:55 639230609697630264
239 ms 103.184.242.19
17 2026-08-23 05:03 639230578570131864
54 ms 103.184.242.19
16 2026-08-23 04:47 639230568958963168
7 ms 103.184.242.19
15 2026-08-23 04:31 639230559287611211
9 ms 103.184.242.19
14 2026-08-23 04:14 639230549524312030
3 ms 103.184.242.19
13 2026-08-23 03:58 639230539739801669
148 ms 103.184.242.19
12 2026-08-23 03:42 639230530084069375
2 ms 103.184.242.19
11 2026-08-23 03:26 639230520362691441
150 ms 103.184.242.19
10 2026-08-23 03:10 639230510677194518
4 ms 103.184.242.19
9 2026-08-23 02:54 639230501156002646
19 ms 103.184.242.19
8 2026-08-23 02:38 639230491502198541
18 ms 103.184.242.19
7 2026-08-23 02:21 639230481860318494
3 ms 103.184.242.19
6 2026-08-23 02:05 639230471893008575
2018 ms 103.184.242.19
5 2026-08-23 01:12 639230440030877421
146 ms 103.184.242.19
4 2026-08-23 00:56 639230430479725508
3 ms 103.184.242.19
3 2026-08-23 00:40 639230420875160219
2021 ms 103.184.242.19
2 2026-08-23 00:24 639230411240692575
4 ms 103.184.242.19
1 2026-08-23 00:08 639230401550806607
11 ms 103.184.242.19