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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 338 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

74

Historical checks stored for this nameserver on selected date

Average Latency

338 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:54

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

74

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 2026-08-22 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
74 2026-08-22 23:54 639230391807229016
127 ms 199.21.216.4
73 2026-08-22 23:38 639230382051619327
100 ms 199.21.216.4
72 2026-08-22 23:22 639230372323353529
113 ms 199.21.216.4
71 2026-08-22 23:05 639230362586451064
226 ms 199.21.216.4
70 2026-08-22 22:49 639230352793666303
109 ms 199.21.216.4
69 2026-08-22 22:32 639230342775737758
118 ms 199.21.216.4
68 2026-08-22 22:16 639230332639939561
207 ms 199.21.216.4
67 2026-08-22 21:23 639230301014190104
140 ms 199.21.216.4
66 2026-08-22 21:06 639230291048161498
112 ms 199.21.216.4
65 2026-08-22 20:49 639230280894353664
104 ms 199.21.216.4
64 2026-08-22 20:32 639230270699419073
113 ms 199.21.216.4
63 2026-08-22 20:15 639230260248163050
239 ms 199.21.216.4
62 2026-08-22 19:58 639230250122494282
227 ms 199.21.216.4
61 2026-08-22 19:41 639230239972935046
125 ms 199.21.216.4
60 2026-08-22 19:24 639230229963262464
241 ms 199.21.216.4
59 2026-08-22 19:08 639230220033804658
119 ms 199.21.216.4
58 2026-08-22 18:51 639230209891107289
132 ms 199.21.216.4
57 2026-08-22 18:34 639230199630298717
116 ms 199.21.216.4
56 2026-08-22 18:17 639230189301984150
229 ms 199.21.216.4
55 2026-08-22 17:23 639230157138468804
245 ms 199.21.216.4
54 2026-08-22 17:06 639230146987869495
139 ms 199.21.216.4
53 2026-08-22 16:49 639230136768638516
228 ms 199.21.216.4
52 2026-08-22 16:32 639230126735907877
102 ms 199.21.216.4
51 2026-08-22 16:15 639230116551187768
281 ms 199.21.216.4
50 2026-08-22 15:58 639230106335615913
105 ms 199.21.216.4
49 2026-08-22 15:41 639230096177758176
233 ms 199.21.216.4
48 2026-08-22 15:25 639230086185999993
238 ms 199.21.216.4
47 2026-08-22 15:08 639230076247854903
221 ms 199.21.216.4
46 2026-08-22 14:51 639230066076077530
238 ms 199.21.216.4
45 2026-08-22 14:34 639230055738197328
224 ms 199.21.216.4
44 2026-08-22 14:17 639230045411225521
130 ms 199.21.216.4
43 2026-08-22 13:23 639230013046000470
113 ms 199.21.216.4
42 2026-08-22 13:06 639230003090037878
231 ms 199.21.216.4
41 2026-08-22 12:49 639229993008259475
235 ms 199.21.216.4
40 2026-08-22 12:33 639229982909449470
101 ms 199.21.216.4
39 2026-08-22 12:16 639229973035502212
228 ms 199.21.216.4
38 2026-08-22 11:59 639229963064296145
222 ms 199.21.216.4
37 2026-08-22 11:43 639229952996162143
119 ms 199.21.216.4
36 2026-08-22 11:26 639229943051949195
246 ms 199.21.216.4
35 2026-08-22 11:09 639229932919214934
234 ms 199.21.216.4
34 2026-08-22 10:52 639229922745889838
232 ms 199.21.216.4
33 2026-08-22 10:35 639229912587214796
128 ms 199.21.216.4
32 2026-08-22 10:18 639229902240004454
230 ms 199.21.216.4
31 2026-08-22 09:26 639229870800501662
244 ms 199.21.216.4
30 2026-08-22 09:09 639229861058384956
123 ms 199.21.216.4
29 2026-08-22 08:53 639229851158592604
2264 ms 199.21.216.4
28 2026-08-22 08:37 639229841475569629
230 ms 199.21.216.4
27 2026-08-22 08:21 639229831887658471
241 ms 199.21.216.4
26 2026-08-22 08:05 639229822043670346
2143 ms 199.21.216.4
25 2026-08-22 07:48 639229812327913936
235 ms 199.21.216.4
24 2026-08-22 07:32 639229802629488686
137 ms 199.21.216.4
23 2026-08-22 07:16 639229793051447309
235 ms 199.21.216.4
22 2026-08-22 07:00 639229783303531961
114 ms 199.21.216.4
21 2026-08-22 06:43 639229773458051942
2111 ms 199.21.216.4
20 2026-08-22 06:27 639229763373848056
228 ms 199.21.216.4
19 2026-08-22 05:35 639229732140622809
250 ms 199.21.216.4
18 2026-08-22 05:19 639229722699695967
114 ms 199.21.216.4
17 2026-08-22 05:03 639229713097498075
126 ms 199.21.216.4
16 2026-08-22 04:47 639229703543969637
109 ms 199.21.216.4
15 2026-08-22 04:31 639229693970392873
118 ms 199.21.216.4
14 2026-08-22 04:15 639229684277329469
118 ms 199.21.216.4
13 2026-08-22 03:59 639229674501596661
103 ms 199.21.216.4
12 2026-08-22 03:43 639229665064441147
124 ms 199.21.216.4
11 2026-08-22 03:27 639229655507536872
2286 ms 199.21.216.4
10 2026-08-22 03:11 639229645849603111
137 ms 199.21.216.4
9 2026-08-22 02:54 639229636090497453
2287 ms 199.21.216.4
8 2026-08-22 02:38 639229625978544281
132 ms 199.21.216.4
7 2026-08-22 01:45 639229594644662176
124 ms 199.21.216.4
6 2026-08-22 01:30 639229585214633065
111 ms 199.21.216.4
5 2026-08-22 01:14 639229575581042175
229 ms 199.21.216.4
4 2026-08-22 00:58 639229565912268962
246 ms 199.21.216.4
3 2026-08-22 00:41 639229556237813203
118 ms 199.21.216.4
2 2026-08-22 00:25 639229546625802518
128 ms 199.21.216.4
1 2026-08-22 00:09 639229537172016621
2235 ms 199.21.216.4