DNS response history for ns4.corelabs.cz

ns4.corelabs.cz 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 38 DNS check records, 37 successful responses, 1 failed responses, and 250 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 ns4.corelabs.cz.
Records on Selected Date

38

Historical checks stored for this nameserver on selected date

Average Latency

250 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 15:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

168.119.118.172

Most recently resolved hosting IP on selected date

Successful Responses

37

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.corelabs.cz

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
38 2026-08-24 15:44 639231828211839931
11 ms 168.119.118.172
37 2026-08-24 15:27 639231818080917481
19 ms 168.119.118.172
36 2026-08-24 15:10 639231807961539652
45 ms 168.119.118.172
35 2026-08-24 14:53 639231797631669865
24 ms 168.119.118.172
34 2026-08-24 14:00 639231765923559455
16 ms 168.119.118.172
33 2026-08-24 13:43 639231755868832964
19 ms 168.119.118.172
32 2026-08-24 13:26 639231745628278877
57 ms 168.119.118.172
31 2026-08-24 13:09 639231735407682062
46 ms 168.119.118.172
30 2026-08-24 12:16 639231703815441688
37 ms 168.119.118.172
29 2026-08-24 11:59 639231693747052549
2058 ms 168.119.118.172
28 2026-08-24 11:43 639231683712487276
28 ms 168.119.118.172
27 2026-08-24 11:26 639231673513573868
41 ms 168.119.118.172
26 2026-08-24 10:33 639231641791249939
31 ms 168.119.118.172
25 2026-08-24 10:16 639231631866211033
40 ms 168.119.118.172
24 2026-08-24 09:59 639231621644955316
2024 ms 168.119.118.172
23 2026-08-24 09:42 639231611478799259
25 ms 168.119.118.172
22 2026-08-24 08:50 639231579923718211
23 ms 168.119.118.172
21 2026-08-24 08:33 639231569810702936
32 ms 168.119.118.172
20 2026-08-24 08:16 639231559762411619
30 ms 168.119.118.172
19 2026-08-24 07:59 639231549663595407
42 ms 168.119.118.172
18 2026-08-24 07:07 639231518076817246
14 ms 168.119.118.172
17 2026-08-24 06:50 639231508078650885
17 ms 168.119.118.172
16 2026-08-24 06:34 639231498210697093
-
15 2026-08-24 06:17 639231488109699360
16 ms 168.119.118.172
14 2026-08-24 05:24 639231456772510692
2073 ms 168.119.118.172
13 2026-08-24 05:08 639231447084631185
11 ms 168.119.118.172
12 2026-08-24 04:52 639231437208519473
2246 ms 168.119.118.172
11 2026-08-24 04:35 639231427209627490
5 ms 168.119.118.172
10 2026-08-24 03:43 639231395791246644
16 ms 168.119.118.172
9 2026-08-24 03:27 639231386075551458
6 ms 168.119.118.172
8 2026-08-24 03:10 639231376208713791
4 ms 168.119.118.172
7 2026-08-24 02:53 639231366170589276
17 ms 168.119.118.172
6 2026-08-24 02:01 639231334732159368
22 ms 168.119.118.172
5 2026-08-24 01:45 639231325035670078
33 ms 168.119.118.172
4 2026-08-24 01:28 639231315132253837
15 ms 168.119.118.172
3 2026-08-24 01:11 639231305014280808
39 ms 168.119.118.172
2 2026-08-24 00:19 639231273779380675
21 ms 168.119.118.172
1 2026-08-24 00:03 639231264180839154
44 ms 168.119.118.172