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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 75 successful responses, 1 failed responses, and 338 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

76

Historical checks stored for this nameserver on selected date

Average Latency

338 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:55

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

75

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-11 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
76 2026-08-11 23:55 639220888396333845
94 ms 91.241.94.206
75 2026-08-11 23:39 639220878864937382
95 ms 91.241.94.206
74 2026-08-11 22:46 639220847369072314
60 ms 91.241.94.206
73 2026-08-11 22:31 639220838037764925
52 ms 91.241.94.206
72 2026-08-11 22:15 639220828735120634
3553 ms 91.241.94.206
71 2026-08-11 22:00 639220819447979766
150 ms 91.241.94.206
70 2026-08-11 21:44 639220810056531741
47 ms 91.241.94.206
69 2026-08-11 21:29 639220800745746593
123 ms 91.241.94.206
68 2026-08-11 21:13 639220791351626349
93 ms 91.241.94.206
67 2026-08-11 20:57 639220782021256610
76 ms 91.241.94.206
66 2026-08-11 20:42 639220772603347755
100 ms 91.241.94.206
65 2026-08-11 20:26 639220763224057047
64 ms 91.241.94.206
64 2026-08-11 20:10 639220753691117767
46 ms 91.241.94.206
63 2026-08-11 19:54 639220744107836218
59 ms 91.241.94.206
62 2026-08-11 19:00 639220711927629898
58 ms 91.241.94.206
61 2026-08-11 18:44 639220702299437921
47 ms 91.241.94.206
60 2026-08-11 18:28 639220692505468181
70 ms 91.241.94.206
59 2026-08-11 18:11 639220682669911239
2181 ms 91.241.94.206
58 2026-08-11 17:55 639220672929841526
90 ms 91.241.94.206
57 2026-08-11 17:39 639220663225662315
102 ms 91.241.94.206
56 2026-08-11 17:24 639220653846255684
2055 ms 91.241.94.206
55 2026-08-11 17:08 639220644420909059
119 ms 91.241.94.206
54 2026-08-11 16:52 639220635074970435
45 ms 91.241.94.206
53 2026-08-11 16:37 639220625614385966
91 ms 91.241.94.206
52 2026-08-11 16:21 639220616132212636
95 ms 91.241.94.206
51 2026-08-11 16:05 639220606533651662
100 ms 91.241.94.206
50 2026-08-11 15:12 639220574514514318
62 ms 91.241.94.206
49 2026-08-11 14:56 639220565124823874
2022 ms 91.241.94.206
48 2026-08-11 14:40 639220555799311478
71 ms 91.241.94.206
47 2026-08-11 14:25 639220546481577614
63 ms 91.241.94.206
46 2026-08-11 14:09 639220537036533154
95 ms 91.241.94.206
45 2026-08-11 13:53 639220527719177174
112 ms 91.241.94.206
44 2026-08-11 13:38 639220518173088308
49 ms 91.241.94.206
43 2026-08-11 13:22 639220508902896243
76 ms 91.241.94.206
42 2026-08-11 13:06 639220499455923005
49 ms 91.241.94.206
41 2026-08-11 12:51 639220490082583768
96 ms 91.241.94.206
40 2026-08-11 12:35 639220480636590998
115 ms 91.241.94.206
39 2026-08-11 12:18 639220469585029273
94 ms 91.241.94.206
38 2026-08-11 11:23 639220438074188884
56 ms 91.241.94.206
37 2026-08-11 11:07 639220428789720049
-
36 2026-08-11 10:52 639220419558302820
55 ms 91.241.94.206
35 2026-08-11 10:37 639220410448738795
44 ms 91.241.94.206
34 2026-08-11 10:21 639220401034081530
92 ms 91.241.94.206
33 2026-08-11 10:06 639220391766674161
59 ms 91.241.94.206
32 2026-08-11 09:50 639220382275807148
125 ms 91.241.94.206
31 2026-08-11 09:34 639220373034162867
61 ms 91.241.94.206
30 2026-08-11 09:19 639220363994971859
64 ms 91.241.94.206
29 2026-08-11 09:04 639220354563965455
1615 ms 91.241.94.206
28 2026-08-11 08:48 639220345437414880
92 ms 91.241.94.206
27 2026-08-11 08:33 639220336024248987
95 ms 91.241.94.206
26 2026-08-11 07:38 639220304233635692
2069 ms 91.241.94.206
25 2026-08-11 07:23 639220294872170960
2185 ms 91.241.94.206
24 2026-08-11 07:07 639220285547177980
101 ms 91.241.94.206
23 2026-08-11 06:52 639220276337941315
107 ms 91.241.94.206
22 2026-08-11 06:36 639220267175191677
2056 ms 91.241.94.206
21 2026-08-11 06:21 639220257981518924
2127 ms 91.241.94.206
20 2026-08-11 06:06 639220249265489070
50 ms 91.241.94.206
19 2026-08-11 05:52 639220240700249205
140 ms 91.241.94.206
18 2026-08-11 05:38 639220231975029986
111 ms 91.241.94.206
17 2026-08-11 05:23 639220223261176932
89 ms 91.241.94.206
16 2026-08-11 05:08 639220214366718456
59 ms 91.241.94.206
15 2026-08-11 04:53 639220205306334524
101 ms 91.241.94.206
14 2026-08-11 04:03 639220174463175061
95 ms 91.241.94.206
13 2026-08-11 03:48 639220165777190438
47 ms 91.241.94.206
12 2026-08-11 03:33 639220156880374825
48 ms 91.241.94.206
11 2026-08-11 03:19 639220148139986945
99 ms 91.241.94.206
10 2026-08-11 03:04 639220139271074299
78 ms 91.241.94.206
9 2026-08-11 02:49 639220130565901336
153 ms 91.241.94.206
8 2026-08-11 02:35 639220121659980575
64 ms 91.241.94.206
7 2026-08-11 02:20 639220112857650894
105 ms 91.241.94.206
6 2026-08-11 02:05 639220103767686219
92 ms 91.241.94.206
5 2026-08-11 01:49 639220094545970611
139 ms 91.241.94.206
4 2026-08-11 01:34 639220085476091081
55 ms 91.241.94.206
3 2026-08-11 01:19 639220076243751161
62 ms 91.241.94.206
2 2026-08-11 00:28 639220045322845190
59 ms 91.241.94.206
1 2026-08-11 00:13 639220036434132314
101 ms 91.241.94.206