DNS response history for sys2.classcat.com

sys2.classcat.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 61 DNS check records, 61 successful responses, 0 failed responses, and 422 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 sys2.classcat.com.
Records on Selected Date

61

Historical checks stored for this nameserver on selected date

Average Latency

422 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

52.8.42.183

Most recently resolved hosting IP on selected date

Successful Responses

61

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for sys2.classcat.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
61 2026-08-16 23:57 639225207490611656
2165 ms 52.8.42.183
60 2026-08-16 23:41 639225198045815385
404 ms 52.8.42.183
59 2026-08-16 22:49 639225166825544741
176 ms 52.8.42.183
58 2026-08-16 22:33 639225157549461269
252 ms 52.8.42.183
57 2026-08-16 22:17 639225147914556308
386 ms 52.8.42.183
56 2026-08-16 22:01 639225138472322960
392 ms 52.8.42.183
55 2026-08-16 21:09 639225107211236826
163 ms 52.8.42.183
54 2026-08-16 20:53 639225097684457510
176 ms 52.8.42.183
53 2026-08-16 20:37 639225087942913396
403 ms 52.8.42.183
52 2026-08-16 20:21 639225078238684183
402 ms 52.8.42.183
51 2026-08-16 19:29 639225046944151094
3 ms 52.8.42.183
50 2026-08-16 19:13 639225037234857231
156 ms 52.8.42.183
49 2026-08-16 18:57 639225027423459920
396 ms 52.8.42.183
48 2026-08-16 18:40 639225017891613027
12 ms 52.8.42.183
47 2026-08-16 17:48 639224986298183527
240 ms 52.8.42.183
46 2026-08-16 17:32 639224976567107023
175 ms 52.8.42.183
45 2026-08-16 17:16 639224966709723386
408 ms 52.8.42.183
44 2026-08-16 16:59 639224957175756942
390 ms 52.8.42.183
43 2026-08-16 16:07 639224925782379869
392 ms 52.8.42.183
42 2026-08-16 15:51 639224916429532459
188 ms 52.8.42.183
41 2026-08-16 15:35 639224906878325623
160 ms 52.8.42.183
40 2026-08-16 15:20 639224897258974385
163 ms 52.8.42.183
39 2026-08-16 14:28 639224866169532828
392 ms 52.8.42.183
38 2026-08-16 14:12 639224856561831915
399 ms 52.8.42.183
37 2026-08-16 13:55 639224846830897794
394 ms 52.8.42.183
36 2026-08-16 13:39 639224836975863283
405 ms 52.8.42.183
35 2026-08-16 12:46 639224804985340946
394 ms 52.8.42.183
34 2026-08-16 12:30 639224795567782333
404 ms 52.8.42.183
33 2026-08-16 12:14 639224785914225250
408 ms 52.8.42.183
32 2026-08-16 11:58 639224776383854998
401 ms 52.8.42.183
31 2026-08-16 11:05 639224744252113993
388 ms 52.8.42.183
30 2026-08-16 10:49 639224734238905542
2009 ms 52.8.42.183
29 2026-08-16 10:32 639224724335031221
402 ms 52.8.42.183
28 2026-08-16 10:15 639224714475244430
254 ms 52.8.42.183
27 2026-08-16 09:20 639224681063874153
383 ms 52.8.42.183
26 2026-08-16 09:03 639224671038956665
397 ms 52.8.42.183
25 2026-08-16 08:46 639224661079806122
394 ms 52.8.42.183
24 2026-08-16 08:30 639224651169993038
395 ms 52.8.42.183
23 2026-08-16 07:35 639224618882283050
397 ms 52.8.42.183
22 2026-08-16 07:20 639224609519965372
2006 ms 52.8.42.183
21 2026-08-16 07:04 639224599969658888
414 ms 52.8.42.183
20 2026-08-16 06:48 639224590360343307
411 ms 52.8.42.183
19 2026-08-16 05:55 639224558901831832
2005 ms 52.8.42.183
18 2026-08-16 05:40 639224549678210576
2 ms 52.8.42.183
17 2026-08-16 05:24 639224540433420642
393 ms 52.8.42.183
16 2026-08-16 05:09 639224531046032443
10 ms 52.8.42.183
15 2026-08-16 04:16 639224499638024410
389 ms 52.8.42.183
14 2026-08-16 04:01 639224490358783451
378 ms 52.8.42.183
13 2026-08-16 03:45 639224481111410545
387 ms 52.8.42.183
12 2026-08-16 03:30 639224471809153772
3 ms 52.8.42.183
11 2026-08-16 02:37 639224440124457324
5 ms 52.8.42.183
10 2026-08-16 02:22 639224430921105721
402 ms 52.8.42.183
9 2026-08-16 02:07 639224421455433103
420 ms 52.8.42.183
8 2026-08-16 01:51 639224412089740331
5 ms 52.8.42.183
7 2026-08-16 01:35 639224403168392868
378 ms 52.8.42.183
6 2026-08-16 01:20 639224393856251387
405 ms 52.8.42.183
5 2026-08-16 01:05 639224384677141438
271 ms 52.8.42.183
4 2026-08-16 00:49 639224375597986398
403 ms 52.8.42.183
3 2026-08-16 00:34 639224366430296466
400 ms 52.8.42.183
2 2026-08-16 00:19 639224357218176789
404 ms 52.8.42.183
1 2026-08-16 00:03 639224347685767174
404 ms 52.8.42.183