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 2026-08-16. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 287 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

61

Historical checks stored for this nameserver on selected date

Average Latency

287 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:53

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

61

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 2026-08-16 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
61 2026-08-16 23:53 639225207490611656
227 ms 199.21.216.4
60 2026-08-16 23:37 639225198045815385
235 ms 199.21.216.4
59 2026-08-16 22:45 639225166825544741
285 ms 199.21.216.4
58 2026-08-16 22:30 639225157549461269
236 ms 199.21.216.4
57 2026-08-16 22:14 639225147914556308
228 ms 199.21.216.4
56 2026-08-16 21:58 639225138472322960
231 ms 199.21.216.4
55 2026-08-16 21:06 639225107211236826
240 ms 199.21.216.4
54 2026-08-16 20:50 639225097684457510
155 ms 199.21.216.4
53 2026-08-16 20:34 639225087942913396
246 ms 199.21.216.4
52 2026-08-16 20:18 639225078238684183
232 ms 199.21.216.4
51 2026-08-16 19:25 639225046944151094
121 ms 199.21.216.4
50 2026-08-16 19:10 639225037234857231
127 ms 199.21.216.4
49 2026-08-16 18:53 639225027423459920
105 ms 199.21.216.4
48 2026-08-16 18:37 639225017891613027
236 ms 199.21.216.4
47 2026-08-16 17:45 639224986298183527
105 ms 199.21.216.4
46 2026-08-16 17:29 639224976567107023
105 ms 199.21.216.4
45 2026-08-16 17:12 639224966709723386
233 ms 199.21.216.4
44 2026-08-16 16:56 639224957175756942
237 ms 199.21.216.4
43 2026-08-16 16:04 639224925782379869
228 ms 199.21.216.4
42 2026-08-16 15:48 639224916429532459
237 ms 199.21.216.4
41 2026-08-16 15:32 639224906878325623
231 ms 199.21.216.4
40 2026-08-16 15:16 639224897258974385
232 ms 199.21.216.4
39 2026-08-16 14:24 639224866169532828
112 ms 199.21.216.4
38 2026-08-16 14:09 639224856561831915
130 ms 199.21.216.4
37 2026-08-16 13:52 639224846830897794
241 ms 199.21.216.4
36 2026-08-16 13:36 639224836975863283
246 ms 199.21.216.4
35 2026-08-16 12:42 639224804985340946
126 ms 199.21.216.4
34 2026-08-16 12:26 639224795567782333
2152 ms 199.21.216.4
33 2026-08-16 12:11 639224785914225250
112 ms 199.21.216.4
32 2026-08-16 11:55 639224776383854998
2110 ms 199.21.216.4
31 2026-08-16 11:01 639224744252113993
244 ms 199.21.216.4
30 2026-08-16 10:45 639224734238905542
229 ms 199.21.216.4
29 2026-08-16 10:28 639224724335031221
135 ms 199.21.216.4
28 2026-08-16 10:12 639224714475244430
242 ms 199.21.216.4
27 2026-08-16 09:16 639224681063874153
240 ms 199.21.216.4
26 2026-08-16 09:00 639224671038956665
149 ms 199.21.216.4
25 2026-08-16 08:43 639224661079806122
2114 ms 199.21.216.4
24 2026-08-16 08:26 639224651169993038
220 ms 199.21.216.4
23 2026-08-16 07:32 639224618882283050
120 ms 199.21.216.4
22 2026-08-16 07:17 639224609519965372
247 ms 199.21.216.4
21 2026-08-16 07:01 639224599969658888
227 ms 199.21.216.4
20 2026-08-16 06:45 639224590360343307
231 ms 199.21.216.4
19 2026-08-16 05:52 639224558901831832
122 ms 199.21.216.4
18 2026-08-16 05:37 639224549678210576
119 ms 199.21.216.4
17 2026-08-16 05:21 639224540433420642
243 ms 199.21.216.4
16 2026-08-16 05:06 639224531046032443
116 ms 199.21.216.4
15 2026-08-16 04:14 639224499638024410
132 ms 199.21.216.4
14 2026-08-16 03:58 639224490358783451
109 ms 199.21.216.4
13 2026-08-16 03:42 639224481111410545
111 ms 199.21.216.4
12 2026-08-16 03:27 639224471809153772
221 ms 199.21.216.4
11 2026-08-16 02:35 639224440124457324
245 ms 199.21.216.4
10 2026-08-16 02:19 639224430921105721
168 ms 199.21.216.4
9 2026-08-16 02:04 639224421455433103
132 ms 199.21.216.4
8 2026-08-16 01:48 639224412089740331
238 ms 199.21.216.4
7 2026-08-16 01:32 639224403168392868
220 ms 199.21.216.4
6 2026-08-16 01:17 639224393856251387
232 ms 199.21.216.4
5 2026-08-16 01:02 639224384677141438
104 ms 199.21.216.4
4 2026-08-16 00:47 639224375597986398
235 ms 199.21.216.4
3 2026-08-16 00:32 639224366430296466
121 ms 199.21.216.4
2 2026-08-16 00:16 639224357218176789
264 ms 199.21.216.4
1 2026-08-16 00:00 639224347685767174
246 ms 199.21.216.4