DNS response history for ns1.extra-kryty.cz

ns1.extra-kryty.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 71 DNS check records, 70 successful responses, 1 failed responses, and 131 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.extra-kryty.cz.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

131 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:42

All timestamps shown in UTC

Latest Resolved IP on Selected Date

68.66.251.166

Most recently resolved hosting IP on selected date

Successful Responses

70

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.extra-kryty.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
71 2026-08-23 22:42 639231214931957622
122 ms 68.66.251.166
70 2026-08-23 22:26 639231204962010549
50 ms 68.66.251.166
69 2026-08-23 22:09 639231195170138463
35 ms 68.66.251.166
68 2026-08-23 21:53 639231185235020577
39 ms 68.66.251.166
67 2026-08-23 21:36 639231175558690075
61 ms 68.66.251.166
66 2026-08-23 21:20 639231165610444012
45 ms 68.66.251.166
65 2026-08-23 20:27 639231133806425363
127 ms 68.66.251.166
64 2026-08-23 20:11 639231124203758023
62 ms 68.66.251.166
63 2026-08-23 19:55 639231114428262706
56 ms 68.66.251.166
62 2026-08-23 19:38 639231104662480065
88 ms 68.66.251.166
61 2026-08-23 19:22 639231094840372018
87 ms 68.66.251.166
60 2026-08-23 19:06 639231085024583224
2046 ms 68.66.251.166
59 2026-08-23 18:49 639231075257417427
99 ms 68.66.251.166
58 2026-08-23 18:33 639231065516009503
27 ms 68.66.251.166
57 2026-08-23 18:17 639231055805348837
58 ms 68.66.251.166
56 2026-08-23 18:00 639231045980373765
27 ms 68.66.251.166
55 2026-08-23 17:44 639231035984577527
45 ms 68.66.251.166
54 2026-08-23 17:27 639231025928115303
16 ms 68.66.251.166
53 2026-08-23 16:34 639230994250157583
32 ms 68.66.251.166
52 2026-08-23 16:18 639230984476411369
2009 ms 68.66.251.166
51 2026-08-23 16:02 639230974838373450
7 ms 68.66.251.166
50 2026-08-23 15:46 639230965244277645
29 ms 68.66.251.166
49 2026-08-23 15:30 639230955522101820
15 ms 68.66.251.166
48 2026-08-23 15:13 639230945754521603
48 ms 68.66.251.166
47 2026-08-23 14:57 639230935852040504
9 ms 68.66.251.166
46 2026-08-23 14:41 639230926222061048
127 ms 68.66.251.166
45 2026-08-23 14:24 639230916449726907
35 ms 68.66.251.166
44 2026-08-23 14:08 639230906595053086
20 ms 68.66.251.166
43 2026-08-23 13:52 639230896680429441
41 ms 68.66.251.166
42 2026-08-23 13:35 639230886630210965
218 ms 68.66.251.166
41 2026-08-23 12:43 639230855430405719
33 ms 68.66.251.166
40 2026-08-23 12:27 639230845707499136
4 ms 68.66.251.166
39 2026-08-23 12:11 639230836186805419
11 ms 68.66.251.166
38 2026-08-23 11:55 639230826493828316
5 ms 68.66.251.166
37 2026-08-23 11:38 639230816817882996
3 ms 68.66.251.166
36 2026-08-23 11:22 639230806933854189
7 ms 68.66.251.166
35 2026-08-23 11:06 639230797120243854
-
34 2026-08-23 10:49 639230787310272840
54 ms 68.66.251.166
33 2026-08-23 10:33 639230777600173142
51 ms 68.66.251.166
32 2026-08-23 10:17 639230767665024593
59 ms 68.66.251.166
31 2026-08-23 10:00 639230757720962293
55 ms 68.66.251.166
30 2026-08-23 09:43 639230747722189784
48 ms 68.66.251.166
29 2026-08-23 08:51 639230716313923480
87 ms 68.66.251.166
28 2026-08-23 08:35 639230706813835990
4 ms 68.66.251.166
27 2026-08-23 08:19 639230696871062203
34 ms 68.66.251.166
26 2026-08-23 08:02 639230687142781616
48 ms 68.66.251.166
25 2026-08-23 07:46 639230677432142227
26 ms 68.66.251.166
24 2026-08-23 07:30 639230667686258061
25 ms 68.66.251.166
23 2026-08-23 07:14 639230658039243685
38 ms 68.66.251.166
22 2026-08-23 06:58 639230648468473803
31 ms 68.66.251.166
21 2026-08-23 06:42 639230638829658294
3 ms 68.66.251.166
20 2026-08-23 06:26 639230629247017617
4 ms 68.66.251.166
19 2026-08-23 06:10 639230619625318239
29 ms 68.66.251.166
18 2026-08-23 05:53 639230609697630264
76 ms 68.66.251.166
17 2026-08-23 05:01 639230578570131864
7 ms 68.66.251.166
16 2026-08-23 04:45 639230568958963168
54 ms 68.66.251.166
15 2026-08-23 04:29 639230559287611211
56 ms 68.66.251.166
14 2026-08-23 04:13 639230549524312030
4 ms 68.66.251.166
13 2026-08-23 03:57 639230539739801669
41 ms 68.66.251.166
12 2026-08-23 03:41 639230530084069375
52 ms 68.66.251.166
11 2026-08-23 03:24 639230520362691441
3 ms 68.66.251.166
10 2026-08-23 03:08 639230510677194518
2027 ms 68.66.251.166
9 2026-08-23 02:52 639230501156002646
29 ms 68.66.251.166
8 2026-08-23 02:36 639230491502198541
56 ms 68.66.251.166
7 2026-08-23 02:20 639230481860318494
44 ms 68.66.251.166
6 2026-08-23 02:04 639230471893008575
177 ms 68.66.251.166
5 2026-08-23 01:10 639230440030877421
38 ms 68.66.251.166
4 2026-08-23 00:55 639230430479725508
107 ms 68.66.251.166
3 2026-08-23 00:38 639230420875160219
4 ms 68.66.251.166
2 2026-08-23 00:22 639230411240692575
47 ms 68.66.251.166
1 2026-08-23 00:06 639230401550806607
11 ms 68.66.251.166