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 2026-08-26. For this date, NameServerHistory found 24 DNS check records, 24 successful responses, 0 failed responses, and 374 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

24

Historical checks stored for this nameserver on selected date

Average Latency

374 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 07:49

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

24

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 2026-08-26 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
24 2026-08-26 07:49 639233266521568229
341 ms 52.196.2.197
23 2026-08-26 07:32 639233256081047431
232 ms 52.196.2.197
22 2026-08-26 06:38 639233223620132921
349 ms 52.196.2.197
21 2026-08-26 06:20 639233213287814244
318 ms 52.196.2.197
20 2026-08-26 06:03 639233202925983161
354 ms 52.196.2.197
19 2026-08-26 05:46 639233192644780696
325 ms 52.196.2.197
18 2026-08-26 05:29 639233182401183833
234 ms 52.196.2.197
17 2026-08-26 05:12 639233172074181051
239 ms 52.196.2.197
16 2026-08-26 04:55 639233161808421455
339 ms 52.196.2.197
15 2026-08-26 04:37 639233151357344052
245 ms 52.196.2.197
14 2026-08-26 04:20 639233141034116946
277 ms 52.196.2.197
13 2026-08-26 04:03 639233130828334142
165 ms 52.196.2.197
12 2026-08-26 03:46 639233120373450007
239 ms 52.196.2.197
11 2026-08-26 03:28 639233110066216193
342 ms 52.196.2.197
10 2026-08-26 02:35 639233078065410564
338 ms 52.196.2.197
9 2026-08-26 02:18 639233067787457832
2258 ms 52.196.2.197
8 2026-08-26 02:01 639233057501801162
328 ms 52.196.2.197
7 2026-08-26 01:44 639233047089431703
344 ms 52.196.2.197
6 2026-08-26 01:26 639233036754790688
339 ms 52.196.2.197
5 2026-08-26 01:09 639233026412602472
173 ms 52.196.2.197
4 2026-08-26 00:52 639233016064066127
239 ms 52.196.2.197
3 2026-08-26 00:35 639233005922655772
345 ms 52.196.2.197
2 2026-08-26 00:18 639232995672256907
241 ms 52.196.2.197
1 2026-08-26 00:01 639232985300872416
363 ms 52.196.2.197