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 2026-08-11. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 242 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

77

Historical checks stored for this nameserver on selected date

Average Latency

242 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:56

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

77

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 2026-08-11 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
77 2026-08-11 23:56 639220888396333845
226 ms 199.21.216.4
76 2026-08-11 23:40 639220878864937382
231 ms 199.21.216.4
75 2026-08-11 22:48 639220847369072314
2109 ms 199.21.216.4
74 2026-08-11 22:32 639220838037764925
200 ms 199.21.216.4
73 2026-08-11 22:16 639220828735120634
119 ms 199.21.216.4
72 2026-08-11 22:01 639220819447979766
292 ms 199.21.216.4
71 2026-08-11 21:45 639220810056531741
135 ms 199.21.216.4
70 2026-08-11 21:30 639220800745746593
232 ms 199.21.216.4
69 2026-08-11 21:14 639220791351626349
223 ms 199.21.216.4
68 2026-08-11 20:59 639220782021256610
112 ms 199.21.216.4
67 2026-08-11 20:43 639220772603347755
237 ms 199.21.216.4
66 2026-08-11 20:27 639220763224057047
244 ms 199.21.216.4
65 2026-08-11 20:11 639220753691117767
230 ms 199.21.216.4
64 2026-08-11 19:55 639220744107836218
230 ms 199.21.216.4
63 2026-08-11 19:02 639220711927629898
106 ms 199.21.216.4
62 2026-08-11 18:46 639220702299437921
106 ms 199.21.216.4
61 2026-08-11 18:30 639220692505468181
220 ms 199.21.216.4
60 2026-08-11 18:13 639220682669911239
229 ms 199.21.216.4
59 2026-08-11 17:57 639220672929841526
120 ms 199.21.216.4
58 2026-08-11 17:41 639220663225662315
237 ms 199.21.216.4
57 2026-08-11 17:25 639220653846255684
236 ms 199.21.216.4
56 2026-08-11 17:10 639220644420909059
109 ms 199.21.216.4
55 2026-08-11 16:54 639220635074970435
232 ms 199.21.216.4
54 2026-08-11 16:38 639220625614385966
222 ms 199.21.216.4
53 2026-08-11 16:22 639220616132212636
228 ms 199.21.216.4
52 2026-08-11 16:06 639220606533651662
238 ms 199.21.216.4
51 2026-08-11 15:13 639220574514514318
239 ms 199.21.216.4
50 2026-08-11 14:58 639220565124823874
119 ms 199.21.216.4
49 2026-08-11 14:42 639220555799311478
239 ms 199.21.216.4
48 2026-08-11 14:26 639220546481577614
227 ms 199.21.216.4
47 2026-08-11 14:11 639220537036533154
2116 ms 199.21.216.4
46 2026-08-11 13:55 639220527719177174
114 ms 199.21.216.4
45 2026-08-11 13:39 639220518173088308
237 ms 199.21.216.4
44 2026-08-11 13:24 639220508902896243
229 ms 199.21.216.4
43 2026-08-11 13:08 639220499455923005
229 ms 199.21.216.4
42 2026-08-11 12:52 639220490082583768
226 ms 199.21.216.4
41 2026-08-11 12:37 639220480636590998
223 ms 199.21.216.4
40 2026-08-11 12:21 639220469585029273
233 ms 199.21.216.4
39 2026-08-11 11:26 639220438074188884
222 ms 199.21.216.4
38 2026-08-11 11:11 639220428789720049
253 ms 199.21.216.4
37 2026-08-11 10:55 639220419558302820
122 ms 199.21.216.4
36 2026-08-11 10:40 639220410448738795
113 ms 199.21.216.4
35 2026-08-11 10:25 639220401034081530
114 ms 199.21.216.4
34 2026-08-11 10:09 639220391766674161
222 ms 199.21.216.4
33 2026-08-11 09:54 639220382275807148
333 ms 199.21.216.4
32 2026-08-11 09:38 639220373034162867
123 ms 199.21.216.4
31 2026-08-11 09:23 639220363994971859
232 ms 199.21.216.4
30 2026-08-11 09:07 639220354563965455
171 ms 199.21.216.4
29 2026-08-11 08:52 639220345437414880
237 ms 199.21.216.4
28 2026-08-11 08:36 639220336024248987
238 ms 199.21.216.4
27 2026-08-11 07:44 639220304233635692
232 ms 199.21.216.4
26 2026-08-11 07:28 639220294872170960
236 ms 199.21.216.4
25 2026-08-11 07:13 639220285547177980
114 ms 199.21.216.4
24 2026-08-11 06:57 639220276337941315
122 ms 199.21.216.4
23 2026-08-11 06:42 639220267175191677
121 ms 199.21.216.4
22 2026-08-11 06:27 639220257981518924
242 ms 199.21.216.4
21 2026-08-11 06:12 639220249265489070
105 ms 199.21.216.4
20 2026-08-11 05:57 639220240700249205
240 ms 199.21.216.4
19 2026-08-11 05:43 639220231975029986
233 ms 199.21.216.4
18 2026-08-11 05:28 639220223261176932
105 ms 199.21.216.4
17 2026-08-11 05:14 639220214366718456
115 ms 199.21.216.4
16 2026-08-11 04:59 639220205306334524
242 ms 199.21.216.4
15 2026-08-11 04:08 639220174463175061
233 ms 199.21.216.4
14 2026-08-11 03:53 639220165777190438
104 ms 199.21.216.4
13 2026-08-11 03:39 639220156880374825
241 ms 199.21.216.4
12 2026-08-11 03:24 639220148139986945
111 ms 199.21.216.4
11 2026-08-11 03:09 639220139271074299
117 ms 199.21.216.4
10 2026-08-11 02:54 639220130565901336
106 ms 199.21.216.4
9 2026-08-11 02:40 639220121659980575
230 ms 199.21.216.4
8 2026-08-11 02:25 639220112857650894
111 ms 199.21.216.4
7 2026-08-11 02:10 639220103767686219
227 ms 199.21.216.4
6 2026-08-11 01:55 639220094545970611
220 ms 199.21.216.4
5 2026-08-11 01:39 639220085476091081
223 ms 199.21.216.4
4 2026-08-11 01:24 639220076243751161
119 ms 199.21.216.4
3 2026-08-11 00:33 639220045322845190
237 ms 199.21.216.4
2 2026-08-11 00:18 639220036434132314
231 ms 199.21.216.4
1 2026-08-11 00:03 639220027366289509
128 ms 199.21.216.4