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 2026-08-17. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 334 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

72

Historical checks stored for this nameserver on selected date

Average Latency

334 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:55

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

72

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 2026-08-17 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
72 2026-08-17 23:55 639226072268080268
115 ms 199.21.216.4
71 2026-08-17 23:38 639226062577647657
2145 ms 199.21.216.4
70 2026-08-17 22:46 639226031060857136
245 ms 199.21.216.4
69 2026-08-17 22:30 639226021535117364
234 ms 199.21.216.4
68 2026-08-17 22:14 639226011884237078
109 ms 199.21.216.4
67 2026-08-17 21:58 639226002309299142
144 ms 199.21.216.4
66 2026-08-17 21:42 639225992791784448
291 ms 199.21.216.4
65 2026-08-17 21:26 639225983045271390
262 ms 199.21.216.4
64 2026-08-17 21:10 639225973246293513
133 ms 199.21.216.4
63 2026-08-17 20:53 639225963620186236
228 ms 199.21.216.4
62 2026-08-17 20:37 639225953899183916
115 ms 199.21.216.4
61 2026-08-17 20:21 639225944391528206
242 ms 199.21.216.4
60 2026-08-17 20:05 639225934593254169
2294 ms 199.21.216.4
59 2026-08-17 19:49 639225924669984512
235 ms 199.21.216.4
58 2026-08-17 18:56 639225893048561320
248 ms 199.21.216.4
57 2026-08-17 18:40 639225883481298424
117 ms 199.21.216.4
56 2026-08-17 18:24 639225873845394034
233 ms 199.21.216.4
55 2026-08-17 18:08 639225864216078662
125 ms 199.21.216.4
54 2026-08-17 17:52 639225854541857773
126 ms 199.21.216.4
53 2026-08-17 17:35 639225844733604072
121 ms 199.21.216.4
52 2026-08-17 17:19 639225835085229232
127 ms 199.21.216.4
51 2026-08-17 17:03 639225825349373981
134 ms 199.21.216.4
50 2026-08-17 16:47 639225815690604161
2130 ms 199.21.216.4
49 2026-08-17 16:31 639225805952472306
249 ms 199.21.216.4
48 2026-08-17 16:15 639225796264729638
109 ms 199.21.216.4
47 2026-08-17 15:58 639225786326499329
110 ms 199.21.216.4
46 2026-08-17 15:05 639225754798130711
131 ms 199.21.216.4
45 2026-08-17 14:49 639225745123193922
109 ms 199.21.216.4
44 2026-08-17 14:33 639225735540597271
252 ms 199.21.216.4
43 2026-08-17 14:17 639225725894857396
121 ms 199.21.216.4
42 2026-08-17 14:01 639225716249606913
106 ms 199.21.216.4
41 2026-08-17 13:45 639225706638238179
226 ms 199.21.216.4
40 2026-08-17 13:29 639225696949691423
119 ms 199.21.216.4
39 2026-08-17 13:13 639225687286186336
105 ms 199.21.216.4
38 2026-08-17 12:57 639225677679573133
232 ms 199.21.216.4
37 2026-08-17 12:41 639225667957861024
123 ms 199.21.216.4
36 2026-08-17 12:24 639225658298791618
144 ms 199.21.216.4
35 2026-08-17 12:08 639225648583652785
111 ms 199.21.216.4
34 2026-08-17 11:16 639225617000524308
119 ms 199.21.216.4
33 2026-08-17 11:00 639225607668541600
111 ms 199.21.216.4
32 2026-08-17 10:44 639225598117279238
262 ms 199.21.216.4
31 2026-08-17 10:28 639225588751002710
258 ms 199.21.216.4
30 2026-08-17 10:13 639225579295831051
126 ms 199.21.216.4
29 2026-08-17 09:57 639225569761469940
249 ms 199.21.216.4
28 2026-08-17 09:41 639225560161422333
123 ms 199.21.216.4
27 2026-08-17 09:25 639225550739955565
112 ms 199.21.216.4
26 2026-08-17 09:09 639225541125222426
121 ms 199.21.216.4
25 2026-08-17 08:53 639225531526675983
229 ms 199.21.216.4
24 2026-08-17 08:37 639225521915528222
128 ms 199.21.216.4
23 2026-08-17 08:21 639225512148151789
230 ms 199.21.216.4
22 2026-08-17 07:28 639225480786142412
221 ms 199.21.216.4
21 2026-08-17 07:13 639225471394348551
220 ms 199.21.216.4
20 2026-08-17 06:57 639225462031685068
109 ms 199.21.216.4
19 2026-08-17 06:42 639225452639458328
165 ms 199.21.216.4
18 2026-08-17 06:26 639225443300966543
130 ms 199.21.216.4
17 2026-08-17 06:10 639225433880499379
2297 ms 199.21.216.4
16 2026-08-17 05:55 639225424395198277
113 ms 199.21.216.4
15 2026-08-17 05:39 639225414744137487
227 ms 199.21.216.4
14 2026-08-17 05:23 639225405186783164
2167 ms 199.21.216.4
13 2026-08-17 05:07 639225395563669822
103 ms 199.21.216.4
12 2026-08-17 04:51 639225386076645158
113 ms 199.21.216.4
11 2026-08-17 04:35 639225376620669704
104 ms 199.21.216.4
10 2026-08-17 03:43 639225345580892706
232 ms 199.21.216.4
9 2026-08-17 03:28 639225336207383710
294 ms 199.21.216.4
8 2026-08-17 03:12 639225326726565001
2142 ms 199.21.216.4
7 2026-08-17 02:56 639225317249271010
107 ms 199.21.216.4
6 2026-08-17 02:04 639225286280886044
238 ms 199.21.216.4
5 2026-08-17 01:49 639225276872567548
120 ms 199.21.216.4
4 2026-08-17 01:33 639225267353865348
120 ms 199.21.216.4
3 2026-08-17 01:17 639225258033914248
127 ms 199.21.216.4
2 2026-08-17 00:25 639225226652221583
130 ms 199.21.216.4
1 2026-08-17 00:09 639225217156387684
131 ms 199.21.216.4