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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 422 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

74

Historical checks stored for this nameserver on selected date

Average Latency

422 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:53

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

74

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 2026-08-22 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
74 2026-08-22 23:53 639230391807229016
26 ms 212.28.184.4
73 2026-08-22 23:37 639230382051619327
23 ms 212.28.184.4
72 2026-08-22 23:20 639230372323353529
37 ms 212.28.184.4
71 2026-08-22 23:04 639230362586451064
46 ms 212.28.184.4
70 2026-08-22 22:48 639230352793666303
21 ms 212.28.184.4
69 2026-08-22 22:31 639230342775737758
2332 ms 212.28.184.4
68 2026-08-22 22:14 639230332639939561
64 ms 212.28.184.4
67 2026-08-22 21:22 639230301014190104
22 ms 212.28.184.4
66 2026-08-22 21:05 639230291048161498
2229 ms 212.28.184.4
65 2026-08-22 20:48 639230280894353664
63 ms 212.28.184.4
64 2026-08-22 20:31 639230270699419073
133 ms 212.28.184.4
63 2026-08-22 20:14 639230260248163050
46 ms 212.28.184.4
62 2026-08-22 19:57 639230250122494282
44 ms 212.28.184.4
61 2026-08-22 19:40 639230239972935046
130 ms 212.28.184.4
60 2026-08-22 19:23 639230229963262464
45 ms 212.28.184.4
59 2026-08-22 19:06 639230220033804658
36 ms 212.28.184.4
58 2026-08-22 18:50 639230209891107289
20 ms 212.28.184.4
57 2026-08-22 18:32 639230199630298717
42 ms 212.28.184.4
56 2026-08-22 18:15 639230189301984150
136 ms 212.28.184.4
55 2026-08-22 17:22 639230157138468804
218 ms 212.28.184.4
54 2026-08-22 17:05 639230146987869495
64 ms 212.28.184.4
53 2026-08-22 16:48 639230136768638516
2215 ms 212.28.184.4
52 2026-08-22 16:31 639230126735907877
154 ms 212.28.184.4
51 2026-08-22 16:14 639230116551187768
2396 ms 212.28.184.4
50 2026-08-22 15:57 639230106335615913
53 ms 212.28.184.4
49 2026-08-22 15:40 639230096177758176
75 ms 212.28.184.4
48 2026-08-22 15:23 639230086185999993
47 ms 212.28.184.4
47 2026-08-22 15:07 639230076247854903
148 ms 212.28.184.4
46 2026-08-22 14:50 639230066076077530
49 ms 212.28.184.4
45 2026-08-22 14:33 639230055738197328
50 ms 212.28.184.4
44 2026-08-22 14:15 639230045411225521
128 ms 212.28.184.4
43 2026-08-22 13:22 639230013046000470
2120 ms 212.28.184.4
42 2026-08-22 13:05 639230003090037878
43 ms 212.28.184.4
41 2026-08-22 12:48 639229993008259475
47 ms 212.28.184.4
40 2026-08-22 12:31 639229982909449470
42 ms 212.28.184.4
39 2026-08-22 12:15 639229973035502212
149 ms 212.28.184.4
38 2026-08-22 11:58 639229963064296145
179 ms 212.28.184.4
37 2026-08-22 11:42 639229952996162143
52 ms 212.28.184.4
36 2026-08-22 11:25 639229943051949195
27 ms 212.28.184.4
35 2026-08-22 11:08 639229932919214934
177 ms 212.28.184.4
34 2026-08-22 10:51 639229922745889838
60 ms 212.28.184.4
33 2026-08-22 10:34 639229912587214796
36 ms 212.28.184.4
32 2026-08-22 10:17 639229902240004454
47 ms 212.28.184.4
31 2026-08-22 09:24 639229870800501662
45 ms 212.28.184.4
30 2026-08-22 09:08 639229861058384956
23 ms 212.28.184.4
29 2026-08-22 08:52 639229851158592604
43 ms 212.28.184.4
28 2026-08-22 08:36 639229841475569629
123 ms 212.28.184.4
27 2026-08-22 08:20 639229831887658471
47 ms 212.28.184.4
26 2026-08-22 08:03 639229822043670346
19 ms 212.28.184.4
25 2026-08-22 07:47 639229812327913936
48 ms 212.28.184.4
24 2026-08-22 07:31 639229802629488686
41 ms 212.28.184.4
23 2026-08-22 07:15 639229793051447309
2039 ms 212.28.184.4
22 2026-08-22 06:59 639229783303531961
2125 ms 212.28.184.4
21 2026-08-22 06:42 639229773458051942
32 ms 212.28.184.4
20 2026-08-22 06:25 639229763373848056
302 ms 212.28.184.4
19 2026-08-22 05:33 639229732140622809
2038 ms 212.28.184.4
18 2026-08-22 05:18 639229722699695967
20 ms 212.28.184.4
17 2026-08-22 05:02 639229713097498075
124 ms 212.28.184.4
16 2026-08-22 04:46 639229703543969637
2288 ms 212.28.184.4
15 2026-08-22 04:30 639229693970392873
187 ms 212.28.184.4
14 2026-08-22 04:14 639229684277329469
248 ms 212.28.184.4
13 2026-08-22 03:57 639229674501596661
4075 ms 212.28.184.4
12 2026-08-22 03:41 639229665064441147
40 ms 212.28.184.4
11 2026-08-22 03:25 639229655507536872
32 ms 212.28.184.4
10 2026-08-22 03:09 639229645849603111
159 ms 212.28.184.4
9 2026-08-22 02:53 639229636090497453
32 ms 212.28.184.4
8 2026-08-22 02:36 639229625978544281
2142 ms 212.28.184.4
7 2026-08-22 01:44 639229594644662176
138 ms 212.28.184.4
6 2026-08-22 01:28 639229585214633065
56 ms 212.28.184.4
5 2026-08-22 01:12 639229575581042175
62 ms 212.28.184.4
4 2026-08-22 00:56 639229565912268962
150 ms 212.28.184.4
3 2026-08-22 00:40 639229556237813203
147 ms 212.28.184.4
2 2026-08-22 00:24 639229546625802518
162 ms 212.28.184.4
1 2026-08-22 00:08 639229537172016621
162 ms 212.28.184.4