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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 72 successful responses, 3 failed responses, and 309 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

309 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 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

72

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

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 2026-08-18 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 2026-08-18 23:52 639226935204800669
146 ms 212.28.184.4
74 2026-08-18 23:35 639226925298919497
43 ms 212.28.184.4
73 2026-08-18 23:19 639226915487885053
147 ms 212.28.184.4
72 2026-08-18 23:02 639226905465760034
132 ms 212.28.184.4
71 2026-08-18 22:45 639226895378104692
135 ms 212.28.184.4
70 2026-08-18 21:52 639226863374232622
26 ms 212.28.184.4
69 2026-08-18 21:36 639226853698516058
32 ms 212.28.184.4
68 2026-08-18 21:19 639226843797360601
130 ms 212.28.184.4
67 2026-08-18 21:03 639226834046588155
132 ms 212.28.184.4
66 2026-08-18 20:47 639226824234488533
33 ms 212.28.184.4
65 2026-08-18 20:31 639226814549928621
40 ms 212.28.184.4
64 2026-08-18 20:14 639226804721432353
179 ms 212.28.184.4
63 2026-08-18 19:58 639226795048828184
209 ms 212.28.184.4
62 2026-08-18 19:42 639226785202482420
2056 ms 212.28.184.4
61 2026-08-18 19:25 639226775309362607
51 ms 212.28.184.4
60 2026-08-18 19:08 639226765406586155
161 ms 212.28.184.4
59 2026-08-18 18:52 639226755437790519
287 ms 212.28.184.4
58 2026-08-18 17:59 639226723856194457
35 ms 212.28.184.4
57 2026-08-18 17:43 639226714050583422
42 ms 212.28.184.4
56 2026-08-18 17:27 639226704236499724
66 ms 212.28.184.4
55 2026-08-18 17:10 639226694184520163
188 ms 212.28.184.4
54 2026-08-18 16:53 639226684161203477
21 ms 212.28.184.4
53 2026-08-18 16:37 639226674305430109
2271 ms 212.28.184.4
52 2026-08-18 16:20 639226664489607984
67 ms 212.28.184.4
51 2026-08-18 16:04 639226654533111667
53 ms 212.28.184.4
50 2026-08-18 15:48 639226644778594725
267 ms 212.28.184.4
49 2026-08-18 15:31 639226634901553621
-
48 2026-08-18 15:14 639226624921864967
69 ms 212.28.184.4
47 2026-08-18 14:58 639226614939419403
139 ms 212.28.184.4
46 2026-08-18 14:05 639226583021074771
140 ms 212.28.184.4
45 2026-08-18 13:48 639226573279933585
52 ms 212.28.184.4
44 2026-08-18 13:32 639226563494036301
2133 ms 212.28.184.4
43 2026-08-18 13:16 639226553708216256
145 ms 212.28.184.4
42 2026-08-18 13:00 639226544003734815
125 ms 212.28.184.4
41 2026-08-18 12:43 639226534105733155
42 ms 212.28.184.4
40 2026-08-18 12:27 639226524298118898
152 ms 212.28.184.4
39 2026-08-18 12:10 639226514525195335
151 ms 212.28.184.4
38 2026-08-18 11:54 639226504703635320
143 ms 212.28.184.4
37 2026-08-18 11:37 639226494737271720
88 ms 212.28.184.4
36 2026-08-18 11:21 639226485005027236
26 ms 212.28.184.4
35 2026-08-18 11:05 639226475133236105
261 ms 212.28.184.4
34 2026-08-18 10:11 639226442975077052
137 ms 212.28.184.4
33 2026-08-18 09:55 639226433317932039
2044 ms 212.28.184.4
32 2026-08-18 09:39 639226423688431096
35 ms 212.28.184.4
31 2026-08-18 09:23 639226413998250045
50 ms 212.28.184.4
30 2026-08-18 09:07 639226404284554875
93 ms 212.28.184.4
29 2026-08-18 08:51 639226394637043309
139 ms 212.28.184.4
28 2026-08-18 08:34 639226385052447582
34 ms 212.28.184.4
27 2026-08-18 08:19 639226375506189603
73 ms 212.28.184.4
26 2026-08-18 08:02 639226365690646426
55 ms 212.28.184.4
25 2026-08-18 07:46 639226355771007701
153 ms 212.28.184.4
24 2026-08-18 07:29 639226345946269369
-
23 2026-08-18 07:13 639226336241601848
125 ms 212.28.184.4
22 2026-08-18 06:21 639226304950675290
173 ms 212.28.184.4
21 2026-08-18 06:05 639226295324754616
56 ms 212.28.184.4
20 2026-08-18 05:49 639226285824640601
335 ms 212.28.184.4
19 2026-08-18 05:33 639226276321223917
165 ms 212.28.184.4
18 2026-08-18 05:18 639226266800200046
61 ms 212.28.184.4
17 2026-08-18 05:01 639226256958066164
155 ms 212.28.184.4
16 2026-08-18 04:45 639226247432364597
165 ms 212.28.184.4
15 2026-08-18 04:29 639226237703388552
487 ms 212.28.184.4
14 2026-08-18 04:13 639226227937569589
119 ms 212.28.184.4
13 2026-08-18 03:57 639226218052465471
48 ms 212.28.184.4
12 2026-08-18 03:40 639226208429623997
19 ms 212.28.184.4
11 2026-08-18 03:24 639226198800675295
4020 ms 212.28.184.4
10 2026-08-18 02:32 639226167722042574
44 ms 212.28.184.4
9 2026-08-18 02:17 639226158277924383
-
8 2026-08-18 02:01 639226148757810592
194 ms 212.28.184.4
7 2026-08-18 01:45 639226139348611045
2036 ms 212.28.184.4
6 2026-08-18 01:29 639226129823462907
61 ms 212.28.184.4
5 2026-08-18 01:13 639226120218260005
36 ms 212.28.184.4
4 2026-08-18 00:57 639226110875503904
44 ms 212.28.184.4
3 2026-08-18 00:42 639226101376311912
232 ms 212.28.184.4
2 2026-08-18 00:26 639226091924943492
242 ms 212.28.184.4
1 2026-08-18 00:10 639226082133158124
34 ms 212.28.184.4