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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 257 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

76

Historical checks stored for this nameserver on selected date

Average Latency

257 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:45

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

76

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 2026-08-15 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
76 2026-08-15 23:45 639224338276675277
233 ms 199.21.216.4
75 2026-08-15 22:52 639224306594546649
125 ms 199.21.216.4
74 2026-08-15 22:36 639224297145423303
236 ms 199.21.216.4
73 2026-08-15 22:20 639224287678238833
117 ms 199.21.216.4
72 2026-08-15 22:05 639224278490872828
126 ms 199.21.216.4
71 2026-08-15 21:49 639224269149307826
229 ms 199.21.216.4
70 2026-08-15 21:34 639224259868597616
114 ms 199.21.216.4
69 2026-08-15 21:18 639224250518642175
114 ms 199.21.216.4
68 2026-08-15 21:03 639224241064772383
2286 ms 199.21.216.4
67 2026-08-15 20:47 639224231691099605
327 ms 199.21.216.4
66 2026-08-15 20:32 639224222468168159
232 ms 199.21.216.4
65 2026-08-15 20:16 639224213173899635
2330 ms 199.21.216.4
64 2026-08-15 20:01 639224203914451783
241 ms 199.21.216.4
63 2026-08-15 19:08 639224172202542163
159 ms 199.21.216.4
62 2026-08-15 18:53 639224163338654093
111 ms 199.21.216.4
61 2026-08-15 18:38 639224154287995374
241 ms 199.21.216.4
60 2026-08-15 18:23 639224145118612503
293 ms 199.21.216.4
59 2026-08-15 18:08 639224135995990731
229 ms 199.21.216.4
58 2026-08-15 17:53 639224127185332624
228 ms 199.21.216.4
57 2026-08-15 17:38 639224118229289175
111 ms 199.21.216.4
56 2026-08-15 17:23 639224109273796359
233 ms 199.21.216.4
55 2026-08-15 17:08 639224100490805608
129 ms 199.21.216.4
54 2026-08-15 16:53 639224091353714490
125 ms 199.21.216.4
53 2026-08-15 16:38 639224082033126828
236 ms 199.21.216.4
52 2026-08-15 16:22 639224072736962403
233 ms 199.21.216.4
51 2026-08-15 15:30 639224041475563754
120 ms 199.21.216.4
50 2026-08-15 15:15 639224032345604453
113 ms 199.21.216.4
49 2026-08-15 15:00 639224023169497283
109 ms 199.21.216.4
48 2026-08-15 14:44 639224013981146405
123 ms 199.21.216.4
47 2026-08-15 14:29 639224004883412586
115 ms 199.21.216.4
46 2026-08-15 14:14 639223995612880615
119 ms 199.21.216.4
45 2026-08-15 13:58 639223986271830789
2106 ms 199.21.216.4
44 2026-08-15 13:42 639223977005780949
106 ms 199.21.216.4
43 2026-08-15 13:27 639223967653137793
106 ms 199.21.216.4
42 2026-08-15 13:11 639223958286010799
130 ms 199.21.216.4
41 2026-08-15 12:56 639223948936108345
109 ms 199.21.216.4
40 2026-08-15 12:40 639223939673066880
106 ms 199.21.216.4
39 2026-08-15 11:48 639223908317760530
244 ms 199.21.216.4
38 2026-08-15 11:33 639223898992594258
119 ms 199.21.216.4
37 2026-08-15 11:17 639223889761312823
150 ms 199.21.216.4
36 2026-08-15 11:02 639223880359273507
120 ms 199.21.216.4
35 2026-08-15 10:46 639223870920466808
240 ms 199.21.216.4
34 2026-08-15 10:30 639223861579762179
221 ms 199.21.216.4
33 2026-08-15 10:15 639223852238616009
245 ms 199.21.216.4
32 2026-08-15 09:59 639223843019815620
241 ms 199.21.216.4
31 2026-08-15 09:44 639223833669915012
241 ms 199.21.216.4
30 2026-08-15 09:29 639223824494613222
236 ms 199.21.216.4
29 2026-08-15 09:13 639223815116325293
109 ms 199.21.216.4
28 2026-08-15 08:57 639223805493870221
242 ms 199.21.216.4
27 2026-08-15 08:05 639223774218660438
220 ms 199.21.216.4
26 2026-08-15 07:49 639223764663090372
110 ms 199.21.216.4
25 2026-08-15 07:34 639223755338811400
235 ms 199.21.216.4
24 2026-08-15 07:18 639223746019193268
238 ms 199.21.216.4
23 2026-08-15 07:02 639223736658778104
237 ms 199.21.216.4
22 2026-08-15 06:47 639223727330194499
227 ms 199.21.216.4
21 2026-08-15 06:31 639223717848514742
130 ms 199.21.216.4
20 2026-08-15 06:15 639223708284754056
119 ms 199.21.216.4
19 2026-08-15 05:59 639223699061259933
219 ms 199.21.216.4
18 2026-08-15 05:44 639223689592545140
105 ms 199.21.216.4
17 2026-08-15 05:28 639223680143410810
122 ms 199.21.216.4
16 2026-08-15 05:12 639223670514517104
228 ms 199.21.216.4
15 2026-08-15 04:20 639223638855054294
112 ms 199.21.216.4
14 2026-08-15 04:04 639223629623335972
227 ms 199.21.216.4
13 2026-08-15 03:49 639223620390189495
110 ms 199.21.216.4
12 2026-08-15 03:33 639223610916950440
118 ms 199.21.216.4
11 2026-08-15 03:18 639223601597759168
119 ms 199.21.216.4
10 2026-08-15 03:02 639223592342172093
239 ms 199.21.216.4
9 2026-08-15 02:47 639223583324121497
234 ms 199.21.216.4
8 2026-08-15 02:32 639223574086714218
228 ms 199.21.216.4
7 2026-08-15 02:16 639223564698424889
104 ms 199.21.216.4
6 2026-08-15 02:01 639223555408664206
233 ms 199.21.216.4
5 2026-08-15 01:45 639223546000912416
238 ms 199.21.216.4
4 2026-08-15 01:29 639223536550774847
137 ms 199.21.216.4
3 2026-08-15 00:37 639223505017205611
117 ms 199.21.216.4
2 2026-08-15 00:21 639223495784410207
219 ms 199.21.216.4
1 2026-08-15 00:06 639223486524583054
126 ms 199.21.216.4