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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 255 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

60

Historical checks stored for this nameserver on selected date

Average Latency

255 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:52

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

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

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 2026-08-16 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
60 2026-08-16 23:52 639225207490611656
51 ms 212.28.184.4
59 2026-08-16 23:36 639225198045815385
132 ms 212.28.184.4
58 2026-08-16 22:44 639225166825544741
160 ms 212.28.184.4
57 2026-08-16 22:29 639225157549461269
125 ms 212.28.184.4
56 2026-08-16 22:13 639225147914556308
48 ms 212.28.184.4
55 2026-08-16 21:57 639225138472322960
122 ms 212.28.184.4
54 2026-08-16 21:05 639225107211236826
86 ms 212.28.184.4
53 2026-08-16 20:49 639225097684457510
70 ms 212.28.184.4
52 2026-08-16 20:33 639225087942913396
66 ms 212.28.184.4
51 2026-08-16 20:17 639225078238684183
131 ms 212.28.184.4
50 2026-08-16 19:24 639225046944151094
89 ms 212.28.184.4
49 2026-08-16 19:08 639225037234857231
41 ms 212.28.184.4
48 2026-08-16 18:52 639225027423459920
101 ms 212.28.184.4
47 2026-08-16 18:36 639225017891613027
58 ms 212.28.184.4
46 2026-08-16 17:43 639224986298183527
2046 ms 212.28.184.4
45 2026-08-16 17:27 639224976567107023
45 ms 212.28.184.4
44 2026-08-16 17:11 639224966709723386
2052 ms 212.28.184.4
43 2026-08-16 16:54 639224957175756942
46 ms 212.28.184.4
42 2026-08-16 16:02 639224925782379869
39 ms 212.28.184.4
41 2026-08-16 15:47 639224916429532459
47 ms 212.28.184.4
40 2026-08-16 15:31 639224906878325623
149 ms 212.28.184.4
39 2026-08-16 15:15 639224897258974385
53 ms 212.28.184.4
38 2026-08-16 14:23 639224866169532828
242 ms 212.28.184.4
37 2026-08-16 14:07 639224856561831915
176 ms 212.28.184.4
36 2026-08-16 13:51 639224846830897794
38 ms 212.28.184.4
35 2026-08-16 13:34 639224836975863283
408 ms 212.28.184.4
34 2026-08-16 12:41 639224804985340946
35 ms 212.28.184.4
33 2026-08-16 12:25 639224795567782333
59 ms 212.28.184.4
32 2026-08-16 12:09 639224785914225250
20 ms 212.28.184.4
31 2026-08-16 11:53 639224776383854998
29 ms 212.28.184.4
30 2026-08-16 11:00 639224744252113993
45 ms 212.28.184.4
29 2026-08-16 10:44 639224734238905542
21 ms 212.28.184.4
28 2026-08-16 10:27 639224724335031221
19 ms 212.28.184.4
27 2026-08-16 10:11 639224714475244430
43 ms 212.28.184.4
26 2026-08-16 09:15 639224681063874153
2129 ms 212.28.184.4
25 2026-08-16 08:58 639224671038956665
49 ms 212.28.184.4
24 2026-08-16 08:42 639224661079806122
18 ms 212.28.184.4
23 2026-08-16 08:25 639224651169993038
2041 ms 212.28.184.4
22 2026-08-16 07:31 639224618882283050
19 ms 212.28.184.4
21 2026-08-16 07:16 639224609519965372
43 ms 212.28.184.4
20 2026-08-16 07:00 639224599969658888
56 ms 212.28.184.4
19 2026-08-16 06:44 639224590360343307
23 ms 212.28.184.4
18 2026-08-16 05:51 639224558901831832
18 ms 212.28.184.4
17 2026-08-16 05:36 639224549678210576
20 ms 212.28.184.4
16 2026-08-16 05:21 639224540433420642
62 ms 212.28.184.4
15 2026-08-16 05:05 639224531046032443
43 ms 212.28.184.4
14 2026-08-16 04:13 639224499638024410
35 ms 212.28.184.4
13 2026-08-16 03:57 639224490358783451
78 ms 212.28.184.4
12 2026-08-16 03:42 639224481111410545
46 ms 212.28.184.4
11 2026-08-16 03:26 639224471809153772
148 ms 212.28.184.4
10 2026-08-16 02:32 639224440124457324
-
9 2026-08-16 02:17 639224430921105721
147 ms 212.28.184.4
8 2026-08-16 02:01 639224421455433103
48 ms 212.28.184.4
7 2026-08-16 01:46 639224412089740331
18 ms 212.28.184.4
6 2026-08-16 01:30 639224403168392868
68 ms 212.28.184.4
5 2026-08-16 01:15 639224393856251387
236 ms 212.28.184.4
4 2026-08-16 01:00 639224384677141438
237 ms 212.28.184.4
3 2026-08-16 00:44 639224375597986398
2130 ms 212.28.184.4
2 2026-08-16 00:29 639224366430296466
45 ms 212.28.184.4
1 2026-08-16 00:14 639224357218176789
389 ms 212.28.184.4