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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 256 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

74

Historical checks stored for this nameserver on selected date

Average Latency

256 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:52

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

74

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.upstreamsystems.com

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:52 639230391807229016
2011 ms 91.241.94.206
73 2026-08-22 23:36 639230382051619327
94 ms 91.241.94.206
72 2026-08-22 23:19 639230372323353529
102 ms 91.241.94.206
71 2026-08-22 23:03 639230362586451064
76 ms 91.241.94.206
70 2026-08-22 22:47 639230352793666303
2071 ms 91.241.94.206
69 2026-08-22 22:30 639230342775737758
59 ms 91.241.94.206
68 2026-08-22 22:13 639230332639939561
93 ms 91.241.94.206
67 2026-08-22 21:20 639230301014190104
48 ms 91.241.94.206
66 2026-08-22 21:04 639230291048161498
127 ms 91.241.94.206
65 2026-08-22 20:47 639230280894353664
74 ms 91.241.94.206
64 2026-08-22 20:30 639230270699419073
92 ms 91.241.94.206
63 2026-08-22 20:13 639230260248163050
77 ms 91.241.94.206
62 2026-08-22 19:56 639230250122494282
95 ms 91.241.94.206
61 2026-08-22 19:39 639230239972935046
81 ms 91.241.94.206
60 2026-08-22 19:22 639230229963262464
2056 ms 91.241.94.206
59 2026-08-22 19:05 639230220033804658
70 ms 91.241.94.206
58 2026-08-22 18:49 639230209891107289
95 ms 91.241.94.206
57 2026-08-22 18:31 639230199630298717
62 ms 91.241.94.206
56 2026-08-22 18:14 639230189301984150
63 ms 91.241.94.206
55 2026-08-22 17:21 639230157138468804
99 ms 91.241.94.206
54 2026-08-22 17:04 639230146987869495
71 ms 91.241.94.206
53 2026-08-22 16:47 639230136768638516
95 ms 91.241.94.206
52 2026-08-22 16:30 639230126735907877
332 ms 91.241.94.206
51 2026-08-22 16:13 639230116551187768
45 ms 91.241.94.206
50 2026-08-22 15:56 639230106335615913
150 ms 91.241.94.206
49 2026-08-22 15:39 639230096177758176
74 ms 91.241.94.206
48 2026-08-22 15:22 639230086185999993
112 ms 91.241.94.206
47 2026-08-22 15:06 639230076247854903
136 ms 91.241.94.206
46 2026-08-22 14:49 639230066076077530
97 ms 91.241.94.206
45 2026-08-22 14:32 639230055738197328
124 ms 91.241.94.206
44 2026-08-22 14:14 639230045411225521
44 ms 91.241.94.206
43 2026-08-22 13:20 639230013046000470
131 ms 91.241.94.206
42 2026-08-22 13:04 639230003090037878
93 ms 91.241.94.206
41 2026-08-22 12:47 639229993008259475
2106 ms 91.241.94.206
40 2026-08-22 12:30 639229982909449470
107 ms 91.241.94.206
39 2026-08-22 12:14 639229973035502212
77 ms 91.241.94.206
38 2026-08-22 11:57 639229963064296145
125 ms 91.241.94.206
37 2026-08-22 11:40 639229952996162143
50 ms 91.241.94.206
36 2026-08-22 11:24 639229943051949195
77 ms 91.241.94.206
35 2026-08-22 11:07 639229932919214934
96 ms 91.241.94.206
34 2026-08-22 10:50 639229922745889838
96 ms 91.241.94.206
33 2026-08-22 10:33 639229912587214796
95 ms 91.241.94.206
32 2026-08-22 10:16 639229902240004454
107 ms 91.241.94.206
31 2026-08-22 09:23 639229870800501662
96 ms 91.241.94.206
30 2026-08-22 09:07 639229861058384956
170 ms 91.241.94.206
29 2026-08-22 08:51 639229851158592604
52 ms 91.241.94.206
28 2026-08-22 08:35 639229841475569629
110 ms 91.241.94.206
27 2026-08-22 08:19 639229831887658471
72 ms 91.241.94.206
26 2026-08-22 08:02 639229822043670346
136 ms 91.241.94.206
25 2026-08-22 07:46 639229812327913936
65 ms 91.241.94.206
24 2026-08-22 07:30 639229802629488686
101 ms 91.241.94.206
23 2026-08-22 07:14 639229793051447309
83 ms 91.241.94.206
22 2026-08-22 06:58 639229783303531961
122 ms 91.241.94.206
21 2026-08-22 06:41 639229773458051942
155 ms 91.241.94.206
20 2026-08-22 06:24 639229763373848056
2094 ms 91.241.94.206
19 2026-08-22 05:32 639229732140622809
113 ms 91.241.94.206
18 2026-08-22 05:17 639229722699695967
112 ms 91.241.94.206
17 2026-08-22 05:01 639229713097498075
80 ms 91.241.94.206
16 2026-08-22 04:45 639229703543969637
67 ms 91.241.94.206
15 2026-08-22 04:29 639229693970392873
90 ms 91.241.94.206
14 2026-08-22 04:12 639229684277329469
76 ms 91.241.94.206
13 2026-08-22 03:56 639229674501596661
84 ms 91.241.94.206
12 2026-08-22 03:40 639229665064441147
88 ms 91.241.94.206
11 2026-08-22 03:24 639229655507536872
105 ms 91.241.94.206
10 2026-08-22 03:08 639229645849603111
130 ms 91.241.94.206
9 2026-08-22 02:52 639229636090497453
81 ms 91.241.94.206
8 2026-08-22 02:35 639229625978544281
123 ms 91.241.94.206
7 2026-08-22 01:43 639229594644662176
119 ms 91.241.94.206
6 2026-08-22 01:27 639229585214633065
89 ms 91.241.94.206
5 2026-08-22 01:11 639229575581042175
85 ms 91.241.94.206
4 2026-08-22 00:55 639229565912268962
47 ms 91.241.94.206
3 2026-08-22 00:39 639229556237813203
2074 ms 91.241.94.206
2 2026-08-22 00:23 639229546625802518
72 ms 91.241.94.206
1 2026-08-22 00:07 639229537172016621
60 ms 91.241.94.206