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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 349 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

76

Historical checks stored for this nameserver on selected date

Average Latency

349 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:55

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

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 ns-us.sofist.cz

Showing DNS history for 2026-08-11 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
76 2026-08-11 23:55 639220888396333845
44 ms 212.28.184.4
75 2026-08-11 23:39 639220878864937382
133 ms 212.28.184.4
74 2026-08-11 22:46 639220847369072314
191 ms 212.28.184.4
73 2026-08-11 22:31 639220838037764925
253 ms 212.28.184.4
72 2026-08-11 22:15 639220828735120634
48 ms 212.28.184.4
71 2026-08-11 22:00 639220819447979766
55 ms 212.28.184.4
70 2026-08-11 21:44 639220810056531741
47 ms 212.28.184.4
69 2026-08-11 21:29 639220800745746593
45 ms 212.28.184.4
68 2026-08-11 21:13 639220791351626349
251 ms 212.28.184.4
67 2026-08-11 20:57 639220782021256610
46 ms 212.28.184.4
66 2026-08-11 20:42 639220772603347755
2042 ms 212.28.184.4
65 2026-08-11 20:26 639220763224057047
39 ms 212.28.184.4
64 2026-08-11 20:10 639220753691117767
262 ms 212.28.184.4
63 2026-08-11 19:54 639220744107836218
2050 ms 212.28.184.4
62 2026-08-11 19:00 639220711927629898
122 ms 212.28.184.4
61 2026-08-11 18:44 639220702299437921
268 ms 212.28.184.4
60 2026-08-11 18:28 639220692505468181
159 ms 212.28.184.4
59 2026-08-11 18:12 639220682669911239
403 ms 212.28.184.4
58 2026-08-11 17:55 639220672929841526
244 ms 212.28.184.4
57 2026-08-11 17:39 639220663225662315
2137 ms 212.28.184.4
56 2026-08-11 17:24 639220653846255684
247 ms 212.28.184.4
55 2026-08-11 17:08 639220644420909059
125 ms 212.28.184.4
54 2026-08-11 16:52 639220635074970435
126 ms 212.28.184.4
53 2026-08-11 16:37 639220625614385966
174 ms 212.28.184.4
52 2026-08-11 16:21 639220616132212636
140 ms 212.28.184.4
51 2026-08-11 16:05 639220606533651662
41 ms 212.28.184.4
50 2026-08-11 15:12 639220574514514318
20 ms 212.28.184.4
49 2026-08-11 14:57 639220565124823874
133 ms 212.28.184.4
48 2026-08-11 14:41 639220555799311478
19 ms 212.28.184.4
47 2026-08-11 14:25 639220546481577614
257 ms 212.28.184.4
46 2026-08-11 14:10 639220537036533154
156 ms 212.28.184.4
45 2026-08-11 13:54 639220527719177174
51 ms 212.28.184.4
44 2026-08-11 13:38 639220518173088308
19 ms 212.28.184.4
43 2026-08-11 13:23 639220508902896243
255 ms 212.28.184.4
42 2026-08-11 13:07 639220499455923005
21 ms 212.28.184.4
41 2026-08-11 12:51 639220490082583768
50 ms 212.28.184.4
40 2026-08-11 12:36 639220480636590998
48 ms 212.28.184.4
39 2026-08-11 12:19 639220469585029273
25 ms 212.28.184.4
38 2026-08-11 11:26 639220438074188884
46 ms 212.28.184.4
37 2026-08-11 11:10 639220428789720049
42 ms 212.28.184.4
36 2026-08-11 10:55 639220419558302820
36 ms 212.28.184.4
35 2026-08-11 10:39 639220410448738795
36 ms 212.28.184.4
34 2026-08-11 10:24 639220401034081530
19 ms 212.28.184.4
33 2026-08-11 10:08 639220391766674161
42 ms 212.28.184.4
32 2026-08-11 09:53 639220382275807148
22 ms 212.28.184.4
31 2026-08-11 09:37 639220373034162867
52 ms 212.28.184.4
30 2026-08-11 09:22 639220363994971859
47 ms 212.28.184.4
29 2026-08-11 09:07 639220354563965455
21 ms 212.28.184.4
28 2026-08-11 08:51 639220345437414880
44 ms 212.28.184.4
27 2026-08-11 08:36 639220336024248987
40 ms 212.28.184.4
26 2026-08-11 07:41 639220304233635692
2399 ms 212.28.184.4
25 2026-08-11 07:26 639220294872170960
48 ms 212.28.184.4
24 2026-08-11 07:10 639220285547177980
51 ms 212.28.184.4
23 2026-08-11 06:55 639220276337941315
2033 ms 212.28.184.4
22 2026-08-11 06:39 639220267175191677
244 ms 212.28.184.4
21 2026-08-11 06:24 639220257981518924
57 ms 212.28.184.4
20 2026-08-11 06:09 639220249265489070
49 ms 212.28.184.4
19 2026-08-11 05:55 639220240700249205
159 ms 212.28.184.4
18 2026-08-11 05:41 639220231975029986
2181 ms 212.28.184.4
17 2026-08-11 05:26 639220223261176932
2051 ms 212.28.184.4
16 2026-08-11 05:11 639220214366718456
140 ms 212.28.184.4
15 2026-08-11 04:56 639220205306334524
132 ms 212.28.184.4
14 2026-08-11 04:03 639220174463175061
117 ms 212.28.184.4
13 2026-08-11 03:48 639220165777190438
2154 ms 212.28.184.4
12 2026-08-11 03:33 639220156880374825
146 ms 212.28.184.4
11 2026-08-11 03:19 639220148139986945
2147 ms 212.28.184.4
10 2026-08-11 03:04 639220139271074299
52 ms 212.28.184.4
9 2026-08-11 02:49 639220130565901336
36 ms 212.28.184.4
8 2026-08-11 02:35 639220121659980575
166 ms 212.28.184.4
7 2026-08-11 02:20 639220112857650894
25 ms 212.28.184.4
6 2026-08-11 02:05 639220103767686219
-
5 2026-08-11 01:49 639220094545970611
44 ms 212.28.184.4
4 2026-08-11 01:34 639220085476091081
84 ms 212.28.184.4
3 2026-08-11 01:19 639220076243751161
194 ms 212.28.184.4
2 2026-08-11 00:27 639220045322845190
160 ms 212.28.184.4
1 2026-08-11 00:13 639220036434132314
142 ms 212.28.184.4