DNS response history for ns-us.sofist.cz

ns-us.sofist.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, 75 successful responses, 0 failed responses, and 358 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 ns-us.sofist.cz.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

358 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

212.28.184.4

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns-us.sofist.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 23:51 639231254406598736
56 ms 212.28.184.4
74 2026-08-23 23:34 639231244697865594
43 ms 212.28.184.4
73 2026-08-23 23:18 639231234893504693
29 ms 212.28.184.4
72 2026-08-23 23:02 639231225024549139
226 ms 212.28.184.4
71 2026-08-23 22:45 639231214931957622
35 ms 212.28.184.4
70 2026-08-23 22:28 639231204962010549
19 ms 212.28.184.4
69 2026-08-23 22:12 639231195170138463
51 ms 212.28.184.4
68 2026-08-23 21:55 639231185235020577
57 ms 212.28.184.4
67 2026-08-23 21:39 639231175558690075
40 ms 212.28.184.4
66 2026-08-23 21:22 639231165610444012
174 ms 212.28.184.4
65 2026-08-23 20:29 639231133806425363
33 ms 212.28.184.4
64 2026-08-23 20:13 639231124203758023
52 ms 212.28.184.4
63 2026-08-23 19:57 639231114428262706
241 ms 212.28.184.4
62 2026-08-23 19:41 639231104662480065
19 ms 212.28.184.4
61 2026-08-23 19:25 639231094840372018
36 ms 212.28.184.4
60 2026-08-23 19:08 639231085024583224
128 ms 212.28.184.4
59 2026-08-23 18:52 639231075257417427
19 ms 212.28.184.4
58 2026-08-23 18:36 639231065516009503
37 ms 212.28.184.4
57 2026-08-23 18:19 639231055805348837
33 ms 212.28.184.4
56 2026-08-23 18:03 639231045980373765
4020 ms 212.28.184.4
55 2026-08-23 17:47 639231035984577527
2166 ms 212.28.184.4
54 2026-08-23 17:30 639231025928115303
119 ms 212.28.184.4
53 2026-08-23 16:37 639230994250157583
53 ms 212.28.184.4
52 2026-08-23 16:21 639230984476411369
55 ms 212.28.184.4
51 2026-08-23 16:05 639230974838373450
2243 ms 212.28.184.4
50 2026-08-23 15:48 639230965244277645
58 ms 212.28.184.4
49 2026-08-23 15:32 639230955522101820
46 ms 212.28.184.4
48 2026-08-23 15:16 639230945754521603
58 ms 212.28.184.4
47 2026-08-23 15:00 639230935852040504
232 ms 212.28.184.4
46 2026-08-23 14:43 639230926222061048
46 ms 212.28.184.4
45 2026-08-23 14:27 639230916449726907
322 ms 212.28.184.4
44 2026-08-23 14:11 639230906595053086
151 ms 212.28.184.4
43 2026-08-23 13:54 639230896680429441
35 ms 212.28.184.4
42 2026-08-23 13:38 639230886630210965
151 ms 212.28.184.4
41 2026-08-23 12:46 639230855430405719
2044 ms 212.28.184.4
40 2026-08-23 12:29 639230845707499136
2043 ms 212.28.184.4
39 2026-08-23 12:13 639230836186805419
267 ms 212.28.184.4
38 2026-08-23 11:57 639230826493828316
203 ms 212.28.184.4
37 2026-08-23 11:41 639230816817882996
164 ms 212.28.184.4
36 2026-08-23 11:25 639230806933854189
46 ms 212.28.184.4
35 2026-08-23 11:08 639230797120243854
56 ms 212.28.184.4
34 2026-08-23 10:52 639230787310272840
161 ms 212.28.184.4
33 2026-08-23 10:36 639230777600173142
2043 ms 212.28.184.4
32 2026-08-23 10:19 639230767665024593
47 ms 212.28.184.4
31 2026-08-23 10:03 639230757720962293
48 ms 212.28.184.4
30 2026-08-23 09:46 639230747722189784
72 ms 212.28.184.4
29 2026-08-23 08:54 639230716313923480
187 ms 212.28.184.4
28 2026-08-23 08:38 639230706813835990
259 ms 212.28.184.4
27 2026-08-23 08:21 639230696871062203
2181 ms 212.28.184.4
26 2026-08-23 08:05 639230687142781616
63 ms 212.28.184.4
25 2026-08-23 07:49 639230677432142227
168 ms 212.28.184.4
24 2026-08-23 07:33 639230667686258061
47 ms 212.28.184.4
23 2026-08-23 07:17 639230658039243685
46 ms 212.28.184.4
22 2026-08-23 07:01 639230648468473803
35 ms 212.28.184.4
21 2026-08-23 06:44 639230638829658294
20 ms 212.28.184.4
20 2026-08-23 06:28 639230629247017617
2138 ms 212.28.184.4
19 2026-08-23 06:12 639230619625318239
79 ms 212.28.184.4
18 2026-08-23 05:56 639230609697630264
122 ms 212.28.184.4
17 2026-08-23 05:04 639230578570131864
50 ms 212.28.184.4
16 2026-08-23 04:48 639230568958963168
106 ms 212.28.184.4
15 2026-08-23 04:32 639230559287611211
35 ms 212.28.184.4
14 2026-08-23 04:16 639230549524312030
137 ms 212.28.184.4
13 2026-08-23 03:59 639230539739801669
50 ms 212.28.184.4
12 2026-08-23 03:43 639230530084069375
43 ms 212.28.184.4
11 2026-08-23 03:27 639230520362691441
52 ms 212.28.184.4
10 2026-08-23 03:11 639230510677194518
35 ms 212.28.184.4
9 2026-08-23 02:55 639230501156002646
37 ms 212.28.184.4
8 2026-08-23 02:39 639230491502198541
17 ms 212.28.184.4
7 2026-08-23 02:23 639230481860318494
125 ms 212.28.184.4
6 2026-08-23 02:06 639230471893008575
45 ms 212.28.184.4
5 2026-08-23 01:13 639230440030877421
194 ms 212.28.184.4
4 2026-08-23 00:57 639230430479725508
58 ms 212.28.184.4
3 2026-08-23 00:41 639230420875160219
2224 ms 212.28.184.4
2 2026-08-23 00:25 639230411240692575
18 ms 212.28.184.4
1 2026-08-23 00:09 639230401550806607
33 ms 212.28.184.4