DNS response history for ns4.sys-tech.net

ns4.sys-tech.net 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 69 DNS check records, 68 successful responses, 1 failed responses, and 482 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 ns4.sys-tech.net.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

482 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

199.21.216.4

Most recently resolved hosting IP on selected date

Successful Responses

68

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 ns4.sys-tech.net

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
69 2026-08-25 23:57 639232985300872416
344 ms 199.21.216.4
68 2026-08-25 23:39 639232974980190573
231 ms 199.21.216.4
67 2026-08-25 23:22 639232964577050707
2122 ms 199.21.216.4
66 2026-08-25 22:28 639232932163142799
248 ms 199.21.216.4
65 2026-08-25 22:11 639232921673215474
234 ms 199.21.216.4
64 2026-08-25 21:53 639232911234504639
112 ms 199.21.216.4
63 2026-08-25 21:36 639232900747078453
114 ms 199.21.216.4
62 2026-08-25 21:18 639232890389222534
238 ms 199.21.216.4
61 2026-08-25 21:01 639232880143390843
108 ms 199.21.216.4
60 2026-08-25 20:44 639232869755024069
119 ms 199.21.216.4
59 2026-08-25 20:27 639232859355940346
233 ms 199.21.216.4
58 2026-08-25 20:09 639232848992244953
116 ms 199.21.216.4
57 2026-08-25 19:52 639232838596478500
231 ms 199.21.216.4
56 2026-08-25 19:35 639232828175327683
137 ms 199.21.216.4
55 2026-08-25 19:17 639232817798330473
234 ms 199.21.216.4
54 2026-08-25 18:23 639232785462407552
284 ms 199.21.216.4
53 2026-08-25 18:06 639232775177487032
132 ms 199.21.216.4
52 2026-08-25 17:49 639232764991087115
234 ms 199.21.216.4
51 2026-08-25 17:32 639232754842971478
232 ms 199.21.216.4
50 2026-08-25 17:15 639232744455159107
242 ms 199.21.216.4
49 2026-08-25 16:58 639232734145178231
222 ms 199.21.216.4
48 2026-08-25 16:41 639232723827874402
232 ms 199.21.216.4
47 2026-08-25 16:24 639232713533011892
229 ms 199.21.216.4
46 2026-08-25 16:06 639232703065318207
105 ms 199.21.216.4
45 2026-08-25 15:49 639232692629559470
-
44 2026-08-25 15:31 639232682238836475
235 ms 199.21.216.4
43 2026-08-25 15:14 639232671787004306
2246 ms 199.21.216.4
42 2026-08-25 14:19 639232638994329666
109 ms 199.21.216.4
41 2026-08-25 14:02 639232628614783237
266 ms 199.21.216.4
40 2026-08-25 13:45 639232618360728578
239 ms 199.21.216.4
39 2026-08-25 13:28 639232608016476376
121 ms 199.21.216.4
38 2026-08-25 13:10 639232597643611557
225 ms 199.21.216.4
37 2026-08-25 12:53 639232587225721862
231 ms 199.21.216.4
36 2026-08-25 12:36 639232576780683689
226 ms 199.21.216.4
35 2026-08-25 12:18 639232566381512620
119 ms 199.21.216.4
34 2026-08-25 12:01 639232556111768563
234 ms 199.21.216.4
33 2026-08-25 11:44 639232545839529039
105 ms 199.21.216.4
32 2026-08-25 11:27 639232535349285207
122 ms 199.21.216.4
31 2026-08-25 11:09 639232524938080723
2116 ms 199.21.216.4
30 2026-08-25 10:16 639232492740373468
230 ms 199.21.216.4
29 2026-08-25 09:58 639232482235303141
251 ms 199.21.216.4
28 2026-08-25 09:41 639232471861770303
146 ms 199.21.216.4
27 2026-08-25 09:24 639232461630217327
2441 ms 199.21.216.4
26 2026-08-25 09:07 639232451282965990
236 ms 199.21.216.4
25 2026-08-25 08:49 639232440814614938
2110 ms 199.21.216.4
24 2026-08-25 08:32 639232430410720425
223 ms 199.21.216.4
23 2026-08-25 08:15 639232420003096185
238 ms 199.21.216.4
22 2026-08-25 07:57 639232409467287444
2165 ms 199.21.216.4
21 2026-08-25 07:40 639232399077195997
225 ms 199.21.216.4
20 2026-08-25 07:22 639232388731528337
235 ms 199.21.216.4
19 2026-08-25 07:05 639232378288598612
229 ms 199.21.216.4
18 2026-08-25 06:11 639232346196373643
2126 ms 199.21.216.4
17 2026-08-25 05:54 639232336112370741
116 ms 199.21.216.4
16 2026-08-25 05:38 639232326146508970
121 ms 199.21.216.4
15 2026-08-25 05:21 639232316189381720
110 ms 199.21.216.4
14 2026-08-25 05:05 639232306217998913
225 ms 199.21.216.4
13 2026-08-25 04:48 639232296255744174
2126 ms 199.21.216.4
12 2026-08-25 04:31 639232286095760789
119 ms 199.21.216.4
11 2026-08-25 04:14 639232276086186273
234 ms 199.21.216.4
10 2026-08-25 03:58 639232265900986425
237 ms 199.21.216.4
9 2026-08-25 03:41 639232255723518075
138 ms 199.21.216.4
8 2026-08-25 03:24 639232245484452890
124 ms 199.21.216.4
7 2026-08-25 03:06 639232235157175331
106 ms 199.21.216.4
6 2026-08-25 02:13 639232203197189095
118 ms 199.21.216.4
5 2026-08-25 01:56 639232192844564298
4122 ms 199.21.216.4
4 2026-08-25 01:39 639232182496008942
109 ms 199.21.216.4
3 2026-08-25 01:21 639232172197053132
237 ms 199.21.216.4
2 2026-08-25 00:28 639232140250307418
236 ms 199.21.216.4
1 2026-08-25 00:11 639232129927860324
109 ms 199.21.216.4