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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 360 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

62

Historical checks stored for this nameserver on selected date

Average Latency

360 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:57

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

62

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 2026-08-12 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
62 2026-08-12 23:57 639221753022017039
226 ms 199.21.216.4
61 2026-08-12 23:42 639221744107644868
114 ms 199.21.216.4
60 2026-08-12 23:27 639221735030187244
227 ms 199.21.216.4
59 2026-08-12 23:12 639221725815508109
234 ms 199.21.216.4
58 2026-08-12 22:20 639221694790955973
2152 ms 199.21.216.4
57 2026-08-12 22:05 639221685562451720
112 ms 199.21.216.4
56 2026-08-12 21:49 639221676023655289
119 ms 199.21.216.4
55 2026-08-12 21:33 639221666449119409
225 ms 199.21.216.4
54 2026-08-12 20:41 639221635456432556
231 ms 199.21.216.4
53 2026-08-12 20:26 639221626313054202
229 ms 199.21.216.4
52 2026-08-12 20:10 639221617091958857
235 ms 199.21.216.4
51 2026-08-12 19:55 639221607786737151
228 ms 199.21.216.4
50 2026-08-12 19:03 639221576664330059
227 ms 199.21.216.4
49 2026-08-12 18:48 639221567514216674
231 ms 199.21.216.4
48 2026-08-12 18:32 639221558399762524
221 ms 199.21.216.4
47 2026-08-12 18:17 639221549052016282
110 ms 199.21.216.4
46 2026-08-12 17:25 639221517673834934
236 ms 199.21.216.4
45 2026-08-12 17:09 639221508282311633
238 ms 199.21.216.4
44 2026-08-12 16:53 639221498786324983
223 ms 199.21.216.4
43 2026-08-12 16:37 639221489157589737
121 ms 199.21.216.4
42 2026-08-12 15:45 639221457655914645
2108 ms 199.21.216.4
41 2026-08-12 15:29 639221448164090526
225 ms 199.21.216.4
40 2026-08-12 15:13 639221438725783630
349 ms 199.21.216.4
39 2026-08-12 14:57 639221429178071087
134 ms 199.21.216.4
38 2026-08-12 14:05 639221397761278719
121 ms 199.21.216.4
37 2026-08-12 13:49 639221388200567278
242 ms 199.21.216.4
36 2026-08-12 13:33 639221378483570949
231 ms 199.21.216.4
35 2026-08-12 13:17 639221368872360139
222 ms 199.21.216.4
34 2026-08-12 12:24 639221337226647415
139 ms 199.21.216.4
33 2026-08-12 12:08 639221327924087446
114 ms 199.21.216.4
32 2026-08-12 11:52 639221318096976375
119 ms 199.21.216.4
31 2026-08-12 11:35 639221308343145274
227 ms 199.21.216.4
30 2026-08-12 10:44 639221277089610470
226 ms 199.21.216.4
29 2026-08-12 10:28 639221267628136359
240 ms 199.21.216.4
28 2026-08-12 10:12 639221257907569952
273 ms 199.21.216.4
27 2026-08-12 09:56 639221248402420965
229 ms 199.21.216.4
26 2026-08-12 09:03 639221216797540533
2128 ms 199.21.216.4
25 2026-08-12 08:47 639221207385792352
103 ms 199.21.216.4
24 2026-08-12 08:32 639221198078534844
2119 ms 199.21.216.4
23 2026-08-12 08:16 639221188677585577
237 ms 199.21.216.4
22 2026-08-12 07:24 639221157276484143
234 ms 199.21.216.4
21 2026-08-12 07:08 639221147876262183
252 ms 199.21.216.4
20 2026-08-12 06:52 639221138388812469
223 ms 199.21.216.4
19 2026-08-12 06:37 639221128987381118
232 ms 199.21.216.4
18 2026-08-12 05:45 639221097816416095
180 ms 199.21.216.4
17 2026-08-12 05:29 639221088508065616
234 ms 199.21.216.4
16 2026-08-12 05:13 639221079092308503
233 ms 199.21.216.4
15 2026-08-12 04:58 639221069595873597
233 ms 199.21.216.4
14 2026-08-12 04:06 639221038601577496
215 ms 199.21.216.4
13 2026-08-12 03:51 639221029533901299
227 ms 199.21.216.4
12 2026-08-12 03:35 639221020333828965
105 ms 199.21.216.4
11 2026-08-12 03:20 639221011110510484
2170 ms 199.21.216.4
10 2026-08-12 02:28 639220979815209769
121 ms 199.21.216.4
9 2026-08-12 02:13 639220970971410921
227 ms 199.21.216.4
8 2026-08-12 01:58 639220961848982361
223 ms 199.21.216.4
7 2026-08-12 01:43 639220952784591501
226 ms 199.21.216.4
6 2026-08-12 01:28 639220943893596731
233 ms 199.21.216.4
5 2026-08-12 01:13 639220934954704520
231 ms 199.21.216.4
4 2026-08-12 00:58 639220925792457751
118 ms 199.21.216.4
3 2026-08-12 00:43 639220916610063538
229 ms 199.21.216.4
2 2026-08-12 00:28 639220907229361754
227 ms 199.21.216.4
1 2026-08-12 00:12 639220897896762127
218 ms 199.21.216.4