DNS response history for ns1.n4server.cz

ns1.n4server.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 124 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 ns1.n4server.cz.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

124 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

31.31.74.52

Most recently resolved hosting IP on selected date

Successful Responses

74

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 ns1.n4server.cz

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:45 639231254406598736
66 ms 31.31.74.52
74 2026-08-23 23:29 639231244697865594
40 ms 31.31.74.52
73 2026-08-23 23:13 639231234893504693
53 ms 31.31.74.52
72 2026-08-23 22:56 639231225024549139
55 ms 31.31.74.52
71 2026-08-23 22:39 639231214931957622
234 ms 31.31.74.52
70 2026-08-23 22:23 639231204962010549
45 ms 31.31.74.52
69 2026-08-23 22:06 639231195170138463
27 ms 31.31.74.52
68 2026-08-23 21:50 639231185235020577
-
67 2026-08-23 21:34 639231175558690075
67 ms 31.31.74.52
66 2026-08-23 21:17 639231165610444012
72 ms 31.31.74.52
65 2026-08-23 20:24 639231133806425363
3 ms 31.31.74.52
64 2026-08-23 20:08 639231124203758023
41 ms 31.31.74.52
63 2026-08-23 19:52 639231114428262706
53 ms 31.31.74.52
62 2026-08-23 19:36 639231104662480065
50 ms 31.31.74.52
61 2026-08-23 19:19 639231094840372018
23 ms 31.31.74.52
60 2026-08-23 19:03 639231085024583224
66 ms 31.31.74.52
59 2026-08-23 18:47 639231075257417427
28 ms 31.31.74.52
58 2026-08-23 18:30 639231065516009503
51 ms 31.31.74.52
57 2026-08-23 18:14 639231055805348837
7 ms 31.31.74.52
56 2026-08-23 17:58 639231045980373765
48 ms 31.31.74.52
55 2026-08-23 17:41 639231035984577527
34 ms 31.31.74.52
54 2026-08-23 17:24 639231025928115303
64 ms 31.31.74.52
53 2026-08-23 16:32 639230994250157583
47 ms 31.31.74.52
52 2026-08-23 16:15 639230984476411369
31 ms 31.31.74.52
51 2026-08-23 15:59 639230974838373450
102 ms 31.31.74.52
50 2026-08-23 15:43 639230965244277645
61 ms 31.31.74.52
49 2026-08-23 15:27 639230955522101820
68 ms 31.31.74.52
48 2026-08-23 15:11 639230945754521603
25 ms 31.31.74.52
47 2026-08-23 14:54 639230935852040504
2021 ms 31.31.74.52
46 2026-08-23 14:38 639230926222061048
59 ms 31.31.74.52
45 2026-08-23 14:22 639230916449726907
25 ms 31.31.74.52
44 2026-08-23 14:06 639230906595053086
54 ms 31.31.74.52
43 2026-08-23 13:49 639230896680429441
28 ms 31.31.74.52
42 2026-08-23 13:32 639230886630210965
24 ms 31.31.74.52
41 2026-08-23 12:40 639230855430405719
54 ms 31.31.74.52
40 2026-08-23 12:24 639230845707499136
56 ms 31.31.74.52
39 2026-08-23 12:08 639230836186805419
22 ms 31.31.74.52
38 2026-08-23 11:52 639230826493828316
39 ms 31.31.74.52
37 2026-08-23 11:36 639230816817882996
14 ms 31.31.74.52
36 2026-08-23 11:20 639230806933854189
21 ms 31.31.74.52
35 2026-08-23 11:03 639230797120243854
2017 ms 31.31.74.52
34 2026-08-23 10:47 639230787310272840
38 ms 31.31.74.52
33 2026-08-23 10:30 639230777600173142
53 ms 31.31.74.52
32 2026-08-23 10:14 639230767665024593
4 ms 31.31.74.52
31 2026-08-23 09:57 639230757720962293
44 ms 31.31.74.52
30 2026-08-23 09:41 639230747722189784
45 ms 31.31.74.52
29 2026-08-23 08:49 639230716313923480
68 ms 31.31.74.52
28 2026-08-23 08:33 639230706813835990
48 ms 31.31.74.52
27 2026-08-23 08:16 639230696871062203
55 ms 31.31.74.52
26 2026-08-23 08:00 639230687142781616
65 ms 31.31.74.52
25 2026-08-23 07:44 639230677432142227
4 ms 31.31.74.52
24 2026-08-23 07:27 639230667686258061
67 ms 31.31.74.52
23 2026-08-23 07:11 639230658039243685
14 ms 31.31.74.52
22 2026-08-23 06:55 639230648468473803
2019 ms 31.31.74.52
21 2026-08-23 06:39 639230638829658294
18 ms 31.31.74.52
20 2026-08-23 06:23 639230629247017617
3 ms 31.31.74.52
19 2026-08-23 06:07 639230619625318239
59 ms 31.31.74.52
18 2026-08-23 05:51 639230609697630264
40 ms 31.31.74.52
17 2026-08-23 04:59 639230578570131864
49 ms 31.31.74.52
16 2026-08-23 04:43 639230568958963168
76 ms 31.31.74.52
15 2026-08-23 04:27 639230559287611211
125 ms 31.31.74.52
14 2026-08-23 04:10 639230549524312030
39 ms 31.31.74.52
13 2026-08-23 03:54 639230539739801669
30 ms 31.31.74.52
12 2026-08-23 03:38 639230530084069375
31 ms 31.31.74.52
11 2026-08-23 03:22 639230520362691441
11 ms 31.31.74.52
10 2026-08-23 03:06 639230510677194518
53 ms 31.31.74.52
9 2026-08-23 02:50 639230501156002646
4 ms 31.31.74.52
8 2026-08-23 02:34 639230491502198541
20 ms 31.31.74.52
7 2026-08-23 02:18 639230481860318494
3 ms 31.31.74.52
6 2026-08-23 02:01 639230471893008575
74 ms 31.31.74.52
5 2026-08-23 01:08 639230440030877421
7 ms 31.31.74.52
4 2026-08-23 00:52 639230430479725508
45 ms 31.31.74.52
3 2026-08-23 00:36 639230420875160219
27 ms 31.31.74.52
2 2026-08-23 00:20 639230411240692575
23 ms 31.31.74.52
1 2026-08-23 00:04 639230401550806607
44 ms 31.31.74.52