DNS response history for ns2.sema.ru

ns2.sema.ru 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 2026-08-25. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 147 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 ns2.sema.ru.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

147 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 18:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.159.34.33

Most recently resolved hosting IP on selected date

Successful Responses

54

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 ns2.sema.ru

Showing DNS history for 2026-08-25 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
54 2026-08-25 18:22 639232785462407552
55 ms 51.159.34.33
53 2026-08-25 18:05 639232775177487032
9 ms 51.159.34.33
52 2026-08-25 17:48 639232764991087115
98 ms 51.159.34.33
51 2026-08-25 17:31 639232754842971478
55 ms 51.159.34.33
50 2026-08-25 17:14 639232744455159107
142 ms 51.159.34.33
49 2026-08-25 16:57 639232734145178231
156 ms 51.159.34.33
48 2026-08-25 16:40 639232723827874402
71 ms 51.159.34.33
47 2026-08-25 16:23 639232713533011892
229 ms 51.159.34.33
46 2026-08-25 16:05 639232703065318207
103 ms 51.159.34.33
45 2026-08-25 15:48 639232692629559470
257 ms 51.159.34.33
44 2026-08-25 15:30 639232682238836475
128 ms 51.159.34.33
43 2026-08-25 15:13 639232671787004306
90 ms 51.159.34.33
42 2026-08-25 14:18 639232638994329666
70 ms 51.159.34.33
41 2026-08-25 14:01 639232628614783237
74 ms 51.159.34.33
40 2026-08-25 13:44 639232618360728578
175 ms 51.159.34.33
39 2026-08-25 13:27 639232608016476376
136 ms 51.159.34.33
38 2026-08-25 13:09 639232597643611557
82 ms 51.159.34.33
37 2026-08-25 12:52 639232587225721862
61 ms 51.159.34.33
36 2026-08-25 12:35 639232576780683689
40 ms 51.159.34.33
35 2026-08-25 12:17 639232566381512620
86 ms 51.159.34.33
34 2026-08-25 12:00 639232556111768563
79 ms 51.159.34.33
33 2026-08-25 11:43 639232545839529039
134 ms 51.159.34.33
32 2026-08-25 11:26 639232535349285207
162 ms 51.159.34.33
31 2026-08-25 11:08 639232524938080723
2309 ms 51.159.34.33
30 2026-08-25 10:14 639232492740373468
74 ms 51.159.34.33
29 2026-08-25 09:57 639232482235303141
124 ms 51.159.34.33
28 2026-08-25 09:40 639232471861770303
47 ms 51.159.34.33
27 2026-08-25 09:23 639232461630217327
25 ms 51.159.34.33
26 2026-08-25 09:06 639232451282965990
126 ms 51.159.34.33
25 2026-08-25 08:48 639232440814614938
222 ms 51.159.34.33
24 2026-08-25 08:31 639232430410720425
119 ms 51.159.34.33
23 2026-08-25 08:13 639232420003096185
99 ms 51.159.34.33
22 2026-08-25 07:56 639232409467287444
133 ms 51.159.34.33
21 2026-08-25 07:39 639232399077195997
58 ms 51.159.34.33
20 2026-08-25 07:21 639232388731528337
54 ms 51.159.34.33
19 2026-08-25 07:04 639232378288598612
66 ms 51.159.34.33
18 2026-08-25 06:10 639232346196373643
83 ms 51.159.34.33
17 2026-08-25 05:54 639232336112370741
178 ms 51.159.34.33
16 2026-08-25 05:37 639232326146508970
183 ms 51.159.34.33
15 2026-08-25 05:20 639232316189381720
95 ms 51.159.34.33
14 2026-08-25 05:04 639232306217998913
20 ms 51.159.34.33
13 2026-08-25 04:47 639232296255744174
136 ms 51.159.34.33
12 2026-08-25 04:30 639232286095760789
79 ms 51.159.34.33
11 2026-08-25 04:13 639232276086186273
136 ms 51.159.34.33
10 2026-08-25 03:57 639232265900986425
73 ms 51.159.34.33
9 2026-08-25 03:40 639232255723518075
91 ms 51.159.34.33
8 2026-08-25 03:23 639232245484452890
40 ms 51.159.34.33
7 2026-08-25 03:05 639232235157175331
114 ms 51.159.34.33
6 2026-08-25 02:12 639232203197189095
60 ms 51.159.34.33
5 2026-08-25 01:55 639232192844564298
104 ms 51.159.34.33
4 2026-08-25 01:38 639232182496008942
193 ms 51.159.34.33
3 2026-08-25 01:20 639232172197053132
64 ms 51.159.34.33
2 2026-08-25 00:27 639232140250307418
306 ms 51.159.34.33
1 2026-08-25 00:10 639232129927860324
36 ms 51.159.34.33