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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 354 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

78

Historical checks stored for this nameserver on selected date

Average Latency

354 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:21

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

78

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 ns4.sys-tech.net

Showing DNS history for 2026-08-09 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
78 2026-08-09 23:21 639219137912168440
123 ms 199.21.216.4
77 2026-08-09 23:06 639219129014206359
129 ms 199.21.216.4
76 2026-08-09 22:51 639219120129816185
119 ms 199.21.216.4
75 2026-08-09 22:37 639219111180200055
243 ms 199.21.216.4
74 2026-08-09 22:22 639219102397272208
2103 ms 199.21.216.4
73 2026-08-09 22:07 639219093318422880
228 ms 199.21.216.4
72 2026-08-09 21:52 639219084400315753
230 ms 199.21.216.4
71 2026-08-09 21:37 639219075254551587
234 ms 199.21.216.4
70 2026-08-09 21:21 639219065729192158
126 ms 199.21.216.4
69 2026-08-09 21:06 639219056747802098
106 ms 199.21.216.4
68 2026-08-09 20:51 639219047713450952
118 ms 199.21.216.4
67 2026-08-09 20:36 639219038561445315
237 ms 199.21.216.4
66 2026-08-09 19:44 639219007390383771
239 ms 199.21.216.4
65 2026-08-09 19:29 639218998523265596
235 ms 199.21.216.4
64 2026-08-09 19:14 639218989631630804
117 ms 199.21.216.4
63 2026-08-09 18:59 639218980808450892
101 ms 199.21.216.4
62 2026-08-09 18:45 639218971852160604
120 ms 199.21.216.4
61 2026-08-09 18:30 639218962783650906
238 ms 199.21.216.4
60 2026-08-09 18:15 639218953792820819
118 ms 199.21.216.4
59 2026-08-09 18:00 639218944959692876
119 ms 199.21.216.4
58 2026-08-09 17:45 639218936169104506
239 ms 199.21.216.4
57 2026-08-09 17:30 639218927166062556
233 ms 199.21.216.4
56 2026-08-09 17:15 639218918015715420
236 ms 199.21.216.4
55 2026-08-09 17:00 639218908881852638
241 ms 199.21.216.4
54 2026-08-09 16:08 639218877956262035
121 ms 199.21.216.4
53 2026-08-09 15:53 639218869143729797
236 ms 199.21.216.4
52 2026-08-09 15:39 639218860485298832
4265 ms 199.21.216.4
51 2026-08-09 15:24 639218851607906747
119 ms 199.21.216.4
50 2026-08-09 15:09 639218842720839568
120 ms 199.21.216.4
49 2026-08-09 14:54 639218833878788864
120 ms 199.21.216.4
48 2026-08-09 14:40 639218825180862573
239 ms 199.21.216.4
47 2026-08-09 14:25 639218816469621951
244 ms 199.21.216.4
46 2026-08-09 14:11 639218807685036212
119 ms 199.21.216.4
45 2026-08-09 13:56 639218798978271509
123 ms 199.21.216.4
44 2026-08-09 13:41 639218790065423597
234 ms 199.21.216.4
43 2026-08-09 13:26 639218781304584862
238 ms 199.21.216.4
42 2026-08-09 12:35 639218750311179000
245 ms 199.21.216.4
41 2026-08-09 12:20 639218741750420268
120 ms 199.21.216.4
40 2026-08-09 12:06 639218733057535576
237 ms 199.21.216.4
39 2026-08-09 11:52 639218724471329044
235 ms 199.21.216.4
38 2026-08-09 11:37 639218715911974203
120 ms 199.21.216.4
37 2026-08-09 11:23 639218707310812834
2105 ms 199.21.216.4
36 2026-08-09 11:09 639218698790485612
235 ms 199.21.216.4
35 2026-08-09 10:55 639218690367692706
2104 ms 199.21.216.4
34 2026-08-09 10:40 639218681923173883
125 ms 199.21.216.4
33 2026-08-09 10:26 639218673547179738
250 ms 199.21.216.4
32 2026-08-09 10:12 639218664890274867
119 ms 199.21.216.4
31 2026-08-09 09:58 639218656036928157
235 ms 199.21.216.4
30 2026-08-09 09:06 639218624808018222
276 ms 199.21.216.4
29 2026-08-09 08:51 639218616243340806
127 ms 199.21.216.4
28 2026-08-09 08:37 639218607397811973
2110 ms 199.21.216.4
27 2026-08-09 08:22 639218598812444454
122 ms 199.21.216.4
26 2026-08-09 08:07 639218590219570048
118 ms 199.21.216.4
25 2026-08-09 07:53 639218581690210758
128 ms 199.21.216.4
24 2026-08-09 07:39 639218573057388822
235 ms 199.21.216.4
23 2026-08-09 07:25 639218564408781785
237 ms 199.21.216.4
22 2026-08-09 07:10 639218555767188482
235 ms 199.21.216.4
21 2026-08-09 06:56 639218547142705295
118 ms 199.21.216.4
20 2026-08-09 06:41 639218538090114532
237 ms 199.21.216.4
19 2026-08-09 06:26 639218529257910584
2104 ms 199.21.216.4
18 2026-08-09 05:35 639218498473231858
234 ms 199.21.216.4
17 2026-08-09 05:21 639218489802113995
121 ms 199.21.216.4
16 2026-08-09 05:06 639218481006804516
127 ms 199.21.216.4
15 2026-08-09 04:52 639218472048712427
110 ms 199.21.216.4
14 2026-08-09 04:37 639218463224432974
229 ms 199.21.216.4
13 2026-08-09 04:22 639218454384107526
227 ms 199.21.216.4
12 2026-08-09 04:07 639218445331231791
119 ms 199.21.216.4
11 2026-08-09 03:52 639218436285215733
113 ms 199.21.216.4
10 2026-08-09 03:37 639218427289555123
111 ms 199.21.216.4
9 2026-08-09 03:22 639218418227819981
119 ms 199.21.216.4
8 2026-08-09 03:07 639218409119503123
220 ms 199.21.216.4
7 2026-08-09 02:51 639218399771712154
221 ms 199.21.216.4
6 2026-08-09 01:57 639218368648652303
271 ms 199.21.216.4
5 2026-08-09 01:42 639218359569598460
228 ms 199.21.216.4
4 2026-08-09 01:26 639218350555429902
119 ms 199.21.216.4
3 2026-08-09 01:11 639218341311543299
130 ms 199.21.216.4
2 2026-08-09 00:19 639218309981981465
169 ms 199.21.216.4
1 2026-08-09 00:04 639218300987184335
133 ms 199.21.216.4