DNS response history for sys1.classcat.com

sys1.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 2026-08-24. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 276 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 sys1.classcat.com.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

276 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

52.196.2.197

Most recently resolved hosting IP on selected date

Successful Responses

56

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 sys1.classcat.com

Showing DNS history for 2026-08-24 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
56 2026-08-24 23:58 639232119551972438
244 ms 52.196.2.197
55 2026-08-24 23:40 639232109112567473
324 ms 52.196.2.197
54 2026-08-24 22:47 639232077430823987
330 ms 52.196.2.197
53 2026-08-24 22:30 639232067340513033
324 ms 52.196.2.197
52 2026-08-24 22:13 639232057157944387
244 ms 52.196.2.197
51 2026-08-24 21:56 639232046895282144
331 ms 52.196.2.197
50 2026-08-24 21:03 639232014356623395
3 ms 52.196.2.197
49 2026-08-24 20:45 639232004177831322
189 ms 52.196.2.197
48 2026-08-24 20:28 639231993997863976
10 ms 52.196.2.197
47 2026-08-24 20:11 639231983967363696
2 ms 52.196.2.197
46 2026-08-24 19:19 639231952257842845
325 ms 52.196.2.197
45 2026-08-24 19:02 639231942277816756
3 ms 52.196.2.197
44 2026-08-24 18:45 639231932094180724
317 ms 52.196.2.197
43 2026-08-24 18:28 639231922041034838
334 ms 52.196.2.197
42 2026-08-24 17:35 639231890488117536
3 ms 52.196.2.197
41 2026-08-24 17:19 639231880574255543
3 ms 52.196.2.197
40 2026-08-24 17:02 639231870418029045
2257 ms 52.196.2.197
39 2026-08-24 16:45 639231860258429562
2 ms 52.196.2.197
38 2026-08-24 15:52 639231828211839931
3 ms 52.196.2.197
37 2026-08-24 15:35 639231818080917481
3 ms 52.196.2.197
36 2026-08-24 15:18 639231807961539652
3 ms 52.196.2.197
35 2026-08-24 15:01 639231797631669865
342 ms 52.196.2.197
34 2026-08-24 14:08 639231765923559455
6 ms 52.196.2.197
33 2026-08-24 13:51 639231755868832964
326 ms 52.196.2.197
32 2026-08-24 13:34 639231745628278877
350 ms 52.196.2.197
31 2026-08-24 13:17 639231735407682062
4 ms 52.196.2.197
30 2026-08-24 12:24 639231703815441688
234 ms 52.196.2.197
29 2026-08-24 12:08 639231693747052549
4 ms 52.196.2.197
28 2026-08-24 11:51 639231683712487276
338 ms 52.196.2.197
27 2026-08-24 11:34 639231673513573868
339 ms 52.196.2.197
26 2026-08-24 10:41 639231641791249939
31 ms 52.196.2.197
25 2026-08-24 10:25 639231631866211033
333 ms 52.196.2.197
24 2026-08-24 10:08 639231621644955316
319 ms 52.196.2.197
23 2026-08-24 09:51 639231611478799259
347 ms 52.196.2.197
22 2026-08-24 08:58 639231579923718211
3 ms 52.196.2.197
21 2026-08-24 08:41 639231569810702936
3 ms 52.196.2.197
20 2026-08-24 08:24 639231559762411619
22 ms 52.196.2.197
19 2026-08-24 08:07 639231549663595407
332 ms 52.196.2.197
18 2026-08-24 07:15 639231518076817246
4 ms 52.196.2.197
17 2026-08-24 06:58 639231508078650885
248 ms 52.196.2.197
16 2026-08-24 06:42 639231498210697093
343 ms 52.196.2.197
15 2026-08-24 06:25 639231488109699360
243 ms 52.196.2.197
14 2026-08-24 05:33 639231456772510692
344 ms 52.196.2.197
13 2026-08-24 05:16 639231447084631185
329 ms 52.196.2.197
12 2026-08-24 05:00 639231437208519473
187 ms 52.196.2.197
11 2026-08-24 04:43 639231427209627490
328 ms 52.196.2.197
10 2026-08-24 03:51 639231395791246644
7 ms 52.196.2.197
9 2026-08-24 03:35 639231386075551458
7 ms 52.196.2.197
8 2026-08-24 03:18 639231376208713791
7 ms 52.196.2.197
7 2026-08-24 03:02 639231366170589276
3 ms 52.196.2.197
6 2026-08-24 02:09 639231334732159368
323 ms 52.196.2.197
5 2026-08-24 01:53 639231325035670078
2163 ms 52.196.2.197
4 2026-08-24 01:37 639231315132253837
4 ms 52.196.2.197
3 2026-08-24 01:20 639231305014280808
333 ms 52.196.2.197
2 2026-08-24 00:28 639231273779380675
2009 ms 52.196.2.197
1 2026-08-24 00:12 639231264180839154
4 ms 52.196.2.197