DNS response history for ns4.upstreamsystems.com

ns4.upstreamsystems.com 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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 56 successful responses, 1 failed responses, and 273 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.upstreamsystems.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

273 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.241.94.206

Most recently resolved hosting IP on selected date

Successful Responses

56

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns4.upstreamsystems.com

Showing DNS history for 2026-08-20 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
57 2026-08-20 23:12 639228639850033448
94 ms 91.241.94.206
56 2026-08-20 22:56 639228630204271870
101 ms 91.241.94.206
55 2026-08-20 22:39 639228620295091135
2108 ms 91.241.94.206
54 2026-08-20 22:22 639228610298336915
92 ms 91.241.94.206
53 2026-08-20 21:30 639228578917047616
49 ms 91.241.94.206
52 2026-08-20 21:14 639228569046445709
149 ms 91.241.94.206
51 2026-08-20 20:57 639228558946830986
117 ms 91.241.94.206
50 2026-08-20 20:40 639228548977359217
66 ms 91.241.94.206
49 2026-08-20 19:48 639228517494157668
2181 ms 91.241.94.206
48 2026-08-20 19:31 639228507374116892
57 ms 91.241.94.206
47 2026-08-20 19:14 639228497315154893
61 ms 91.241.94.206
46 2026-08-20 18:57 639228487287648341
98 ms 91.241.94.206
45 2026-08-20 18:05 639228455828123788
61 ms 91.241.94.206
44 2026-08-20 17:49 639228445900082244
99 ms 91.241.94.206
43 2026-08-20 17:32 639228435866352323
97 ms 91.241.94.206
42 2026-08-20 17:15 639228425802273151
50 ms 91.241.94.206
41 2026-08-20 16:21 639228393616324230
81 ms 91.241.94.206
40 2026-08-20 16:05 639228383590408693
72 ms 91.241.94.206
39 2026-08-20 15:48 639228373471467474
100 ms 91.241.94.206
38 2026-08-20 15:31 639228363426647311
128 ms 91.241.94.206
37 2026-08-20 14:38 639228331681701910
158 ms 91.241.94.206
36 2026-08-20 14:21 639228321714746824
-
35 2026-08-20 14:05 639228311652090262
106 ms 91.241.94.206
34 2026-08-20 13:48 639228301670088587
111 ms 91.241.94.206
33 2026-08-20 12:55 639228269987976710
111 ms 91.241.94.206
32 2026-08-20 12:39 639228260009452308
49 ms 91.241.94.206
31 2026-08-20 12:22 639228249661740894
69 ms 91.241.94.206
30 2026-08-20 12:05 639228239552680346
77 ms 91.241.94.206
29 2026-08-20 11:11 639228207667580819
55 ms 91.241.94.206
28 2026-08-20 10:55 639228197494011560
58 ms 91.241.94.206
27 2026-08-20 10:38 639228187497039939
131 ms 91.241.94.206
26 2026-08-20 10:21 639228177408432646
117 ms 91.241.94.206
25 2026-08-20 09:29 639228146356166262
100 ms 91.241.94.206
24 2026-08-20 09:13 639228136541505712
81 ms 91.241.94.206
23 2026-08-20 08:56 639228126519136598
81 ms 91.241.94.206
22 2026-08-20 08:39 639228116537148885
47 ms 91.241.94.206
21 2026-08-20 07:47 639228085320764351
93 ms 91.241.94.206
20 2026-08-20 07:31 639228075444604839
2107 ms 91.241.94.206
19 2026-08-20 07:15 639228065615498985
88 ms 91.241.94.206
18 2026-08-20 06:58 639228055675321422
103 ms 91.241.94.206
17 2026-08-20 06:06 639228024230839396
89 ms 91.241.94.206
16 2026-08-20 05:50 639228014720406505
111 ms 91.241.94.206
15 2026-08-20 05:34 639228004930827030
144 ms 91.241.94.206
14 2026-08-20 05:17 639227995103340154
114 ms 91.241.94.206
13 2026-08-20 04:25 639227963811374894
114 ms 91.241.94.206
12 2026-08-20 04:09 639227954132571365
101 ms 91.241.94.206
11 2026-08-20 03:53 639227944541208342
59 ms 91.241.94.206
10 2026-08-20 03:36 639227934657213484
100 ms 91.241.94.206
9 2026-08-20 02:45 639227903628145469
47 ms 91.241.94.206
8 2026-08-20 02:29 639227893995483475
91 ms 91.241.94.206
7 2026-08-20 02:13 639227884280244209
46 ms 91.241.94.206
6 2026-08-20 01:56 639227874371147132
60 ms 91.241.94.206
5 2026-08-20 01:04 639227843224256432
99 ms 91.241.94.206
4 2026-08-20 00:48 639227833720403506
2184 ms 91.241.94.206
3 2026-08-20 00:32 639227824170728278
2156 ms 91.241.94.206
2 2026-08-20 00:17 639227814865867570
69 ms 91.241.94.206
1 2026-08-20 00:01 639227805445376839
92 ms 91.241.94.206