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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 345 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

60

Historical checks stored for this nameserver on selected date

Average Latency

345 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:51

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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:51 639225207490611656
4 ms 103.184.242.19
59 2026-08-16 23:35 639225198045815385
64 ms 103.184.242.19
58 2026-08-16 22:42 639225166825544741
9 ms 103.184.242.19
57 2026-08-16 22:27 639225157549461269
161 ms 103.184.242.19
56 2026-08-16 22:11 639225147914556308
166 ms 103.184.242.19
55 2026-08-16 21:55 639225138472322960
164 ms 103.184.242.19
54 2026-08-16 21:03 639225107211236826
11 ms 103.184.242.19
53 2026-08-16 20:47 639225097684457510
26 ms 103.184.242.19
52 2026-08-16 20:31 639225087942913396
14 ms 103.184.242.19
51 2026-08-16 20:15 639225078238684183
319 ms 103.184.242.19
50 2026-08-16 19:22 639225046944151094
2020 ms 103.184.242.19
49 2026-08-16 19:07 639225037234857231
57 ms 103.184.242.19
48 2026-08-16 18:50 639225027423459920
175 ms 103.184.242.19
47 2026-08-16 18:34 639225017891613027
2019 ms 103.184.242.19
46 2026-08-16 17:41 639224986298183527
174 ms 103.184.242.19
45 2026-08-16 17:25 639224976567107023
2044 ms 103.184.242.19
44 2026-08-16 17:09 639224966709723386
153 ms 103.184.242.19
43 2026-08-16 16:53 639224957175756942
19 ms 103.184.242.19
42 2026-08-16 16:00 639224925782379869
167 ms 103.184.242.19
41 2026-08-16 15:45 639224916429532459
180 ms 103.184.242.19
40 2026-08-16 15:29 639224906878325623
31 ms 103.184.242.19
39 2026-08-16 15:13 639224897258974385
16 ms 103.184.242.19
38 2026-08-16 14:21 639224866169532828
24 ms 103.184.242.19
37 2026-08-16 14:05 639224856561831915
32 ms 103.184.242.19
36 2026-08-16 13:49 639224846830897794
2016 ms 103.184.242.19
35 2026-08-16 13:33 639224836975863283
164 ms 103.184.242.19
34 2026-08-16 12:38 639224804985340946
158 ms 103.184.242.19
33 2026-08-16 12:22 639224795567782333
-
32 2026-08-16 12:06 639224785914225250
24 ms 103.184.242.19
31 2026-08-16 11:50 639224776383854998
2032 ms 103.184.242.19
30 2026-08-16 10:57 639224744252113993
300 ms 103.184.242.19
29 2026-08-16 10:40 639224734238905542
2019 ms 103.184.242.19
28 2026-08-16 10:23 639224724335031221
2024 ms 103.184.242.19
27 2026-08-16 10:07 639224714475244430
26 ms 103.184.242.19
26 2026-08-16 09:11 639224681063874153
36 ms 103.184.242.19
25 2026-08-16 08:55 639224671038956665
25 ms 103.184.242.19
24 2026-08-16 08:38 639224661079806122
27 ms 103.184.242.19
23 2026-08-16 08:21 639224651169993038
8 ms 103.184.242.19
22 2026-08-16 07:28 639224618882283050
157 ms 103.184.242.19
21 2026-08-16 07:12 639224609519965372
49 ms 103.184.242.19
20 2026-08-16 06:56 639224599969658888
164 ms 103.184.242.19
19 2026-08-16 06:40 639224590360343307
32 ms 103.184.242.19
18 2026-08-16 05:48 639224558901831832
168 ms 103.184.242.19
17 2026-08-16 05:32 639224549678210576
29 ms 103.184.242.19
16 2026-08-16 05:17 639224540433420642
6 ms 103.184.242.19
15 2026-08-16 05:01 639224531046032443
23 ms 103.184.242.19
14 2026-08-16 04:09 639224499638024410
26 ms 103.184.242.19
13 2026-08-16 03:53 639224490358783451
2062 ms 103.184.242.19
12 2026-08-16 03:38 639224481111410545
25 ms 103.184.242.19
11 2026-08-16 03:22 639224471809153772
7 ms 103.184.242.19
10 2026-08-16 02:30 639224440124457324
183 ms 103.184.242.19
9 2026-08-16 02:15 639224430921105721
7 ms 103.184.242.19
8 2026-08-16 01:59 639224421455433103
181 ms 103.184.242.19
7 2026-08-16 01:43 639224412089740331
33 ms 103.184.242.19
6 2026-08-16 01:28 639224403168392868
10 ms 103.184.242.19
5 2026-08-16 01:13 639224393856251387
25 ms 103.184.242.19
4 2026-08-16 00:57 639224384677141438
189 ms 103.184.242.19
3 2026-08-16 00:42 639224375597986398
3 ms 103.184.242.19
2 2026-08-16 00:27 639224366430296466
50 ms 103.184.242.19
1 2026-08-16 00:12 639224357218176789
34 ms 103.184.242.19