DNS response history for nc1.iclassserver.com

nc1.iclassserver.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, 71 successful responses, 1 failed responses, and 165 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 nc1.iclassserver.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

165 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.64.84.226

Most recently resolved hosting IP on selected date

Successful Responses

71

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 nc1.iclassserver.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 23:46 639229527598660841
41 ms 192.64.84.226
71 2026-08-21 23:30 639229517954323214
7 ms 192.64.84.226
70 2026-08-21 23:14 639229508269999021
7 ms 192.64.84.226
69 2026-08-21 22:58 639229498559060171
33 ms 192.64.84.226
68 2026-08-21 22:41 639229488519347586
20 ms 192.64.84.226
67 2026-08-21 21:48 639229456606578934
14 ms 192.64.84.226
66 2026-08-21 21:32 639229446985772499
37 ms 192.64.84.226
65 2026-08-21 21:16 639229437367313098
6 ms 192.64.84.226
64 2026-08-21 21:00 639229427923950391
11 ms 192.64.84.226
63 2026-08-21 20:44 639229418168588854
2020 ms 192.64.84.226
62 2026-08-21 20:27 639229408345678334
2023 ms 192.64.84.226
61 2026-08-21 20:11 639229398616354648
37 ms 192.64.84.226
60 2026-08-21 19:54 639229388634592323
7 ms 192.64.84.226
59 2026-08-21 19:38 639229378792837692
54 ms 192.64.84.226
58 2026-08-21 19:22 639229369154682311
22 ms 192.64.84.226
57 2026-08-21 19:05 639229359248017926
5 ms 192.64.84.226
56 2026-08-21 18:49 639229349124294642
55 ms 192.64.84.226
55 2026-08-21 17:56 639229317791715692
8 ms 192.64.84.226
54 2026-08-21 17:40 639229308115194575
39 ms 192.64.84.226
53 2026-08-21 17:24 639229298320320558
2029 ms 192.64.84.226
52 2026-08-21 17:08 639229288674863221
6 ms 192.64.84.226
51 2026-08-21 16:52 639229278983677079
7 ms 192.64.84.226
50 2026-08-21 16:36 639229269405517175
6 ms 192.64.84.226
49 2026-08-21 16:19 639229259594798244
5 ms 192.64.84.226
48 2026-08-21 16:03 639229249736681188
53 ms 192.64.84.226
47 2026-08-21 15:46 639229239699417787
14 ms 192.64.84.226
46 2026-08-21 15:29 639229229621964033
5 ms 192.64.84.226
45 2026-08-21 15:13 639229219567270965
40 ms 192.64.84.226
44 2026-08-21 14:56 639229209406666856
5 ms 192.64.84.226
43 2026-08-21 14:03 639229177815876178
-
42 2026-08-21 13:47 639229168243572685
7 ms 192.64.84.226
41 2026-08-21 13:31 639229158599856475
30 ms 192.64.84.226
40 2026-08-21 13:15 639229148998940902
32 ms 192.64.84.226
39 2026-08-21 12:59 639229139276923594
20 ms 192.64.84.226
38 2026-08-21 12:43 639229129709912394
43 ms 192.64.84.226
37 2026-08-21 12:26 639229119801488500
16 ms 192.64.84.226
36 2026-08-21 12:10 639229110135262458
34 ms 192.64.84.226
35 2026-08-21 11:54 639229100336051392
16 ms 192.64.84.226
34 2026-08-21 11:38 639229090641415626
18 ms 192.64.84.226
33 2026-08-21 11:21 639229080702683947
24 ms 192.64.84.226
32 2026-08-21 11:04 639229070601456699
20 ms 192.64.84.226
31 2026-08-21 10:12 639229038947447232
14 ms 192.64.84.226
30 2026-08-21 09:55 639229029268708773
8 ms 192.64.84.226
29 2026-08-21 09:39 639229019647910603
33 ms 192.64.84.226
28 2026-08-21 09:23 639229009983843738
8 ms 192.64.84.226
27 2026-08-21 09:07 639229000203331882
32 ms 192.64.84.226
26 2026-08-21 08:50 639228990302335999
34 ms 192.64.84.226
25 2026-08-21 08:34 639228980567740722
8 ms 192.64.84.226
24 2026-08-21 08:18 639228970762445174
10 ms 192.64.84.226
23 2026-08-21 08:02 639228961065054445
5 ms 192.64.84.226
22 2026-08-21 07:45 639228951224649885
16 ms 192.64.84.226
21 2026-08-21 07:29 639228941303864592
2017 ms 192.64.84.226
20 2026-08-21 07:12 639228931191328583
7 ms 192.64.84.226
19 2026-08-21 06:19 639228899518173317
39 ms 192.64.84.226
18 2026-08-21 06:03 639228889785027669
8 ms 192.64.84.226
17 2026-08-21 05:47 639228880106330161
62 ms 192.64.84.226
16 2026-08-21 05:31 639228870316184091
105 ms 192.64.84.226
15 2026-08-21 05:15 639228860695366512
101 ms 192.64.84.226
14 2026-08-21 04:58 639228851027209500
2013 ms 192.64.84.226
13 2026-08-21 04:42 639228841479265462
7 ms 192.64.84.226
12 2026-08-21 04:26 639228831752962260
24 ms 192.64.84.226
11 2026-08-21 04:10 639228821953295483
36 ms 192.64.84.226
10 2026-08-21 03:54 639228812227429953
32 ms 192.64.84.226
9 2026-08-21 03:37 639228802476107538
7 ms 192.64.84.226
8 2026-08-21 03:21 639228792525492032
74 ms 192.64.84.226
7 2026-08-21 02:29 639228761131421385
6 ms 192.64.84.226
6 2026-08-21 02:13 639228751571206692
40 ms 192.64.84.226
5 2026-08-21 01:56 639228741705571019
5 ms 192.64.84.226
4 2026-08-21 01:39 639228731642208228
15 ms 192.64.84.226
3 2026-08-21 00:47 639228700387002072
35 ms 192.64.84.226
2 2026-08-21 00:31 639228690742014433
16 ms 192.64.84.226
1 2026-08-21 00:15 639228680877937122
38 ms 192.64.84.226