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 2026-08-27. For this date, NameServerHistory found 53 DNS check records, 53 successful responses, 0 failed responses, and 420 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

53

Historical checks stored for this nameserver on selected date

Average Latency

420 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 17:32

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

53

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 2026-08-27 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
53 2026-08-27 17:32 639234484118025686
99 ms 91.241.94.206
52 2026-08-27 17:15 639234473946362077
74 ms 91.241.94.206
51 2026-08-27 16:58 639234463759124388
76 ms 91.241.94.206
50 2026-08-27 16:41 639234453500759178
70 ms 91.241.94.206
49 2026-08-27 16:24 639234442983541638
2083 ms 91.241.94.206
48 2026-08-27 16:06 639234432404354562
46 ms 91.241.94.206
47 2026-08-27 15:11 639234399767719119
48 ms 91.241.94.206
46 2026-08-27 14:54 639234389460601485
52 ms 91.241.94.206
45 2026-08-27 14:37 639234379227178707
104 ms 91.241.94.206
44 2026-08-27 14:20 639234369065315214
97 ms 91.241.94.206
43 2026-08-27 14:03 639234358825501576
59 ms 91.241.94.206
42 2026-08-27 13:46 639234348572745268
97 ms 91.241.94.206
41 2026-08-27 13:29 639234338264503481
67 ms 91.241.94.206
40 2026-08-27 13:12 639234327818741376
2063 ms 91.241.94.206
39 2026-08-27 12:54 639234317475724313
68 ms 91.241.94.206
38 2026-08-27 12:37 639234307007468133
46 ms 91.241.94.206
37 2026-08-27 12:20 639234296664302575
100 ms 91.241.94.206
36 2026-08-27 12:02 639234286253196126
110 ms 91.241.94.206
35 2026-08-27 11:08 639234253963286387
104 ms 91.241.94.206
34 2026-08-27 10:51 639234243654907465
91 ms 91.241.94.206
33 2026-08-27 10:34 639234233269654413
2168 ms 91.241.94.206
32 2026-08-27 10:17 639234222943951923
101 ms 91.241.94.206
31 2026-08-27 09:59 639234212558002823
116 ms 91.241.94.206
30 2026-08-27 09:42 639234202117531850
48 ms 91.241.94.206
29 2026-08-27 09:25 639234191649612722
88 ms 91.241.94.206
28 2026-08-27 09:07 639234181105879568
85 ms 91.241.94.206
27 2026-08-27 08:50 639234170713214496
112 ms 91.241.94.206
26 2026-08-27 08:32 639234160341037652
44 ms 91.241.94.206
25 2026-08-27 08:15 639234149799404224
62 ms 91.241.94.206
24 2026-08-27 07:58 639234139553286469
130 ms 91.241.94.206
23 2026-08-27 07:04 639234107183588293
102 ms 91.241.94.206
22 2026-08-27 06:47 639234096905435724
62 ms 91.241.94.206
21 2026-08-27 06:30 639234086579410775
96 ms 91.241.94.206
20 2026-08-27 06:12 639234076291157956
91 ms 91.241.94.206
19 2026-08-27 05:55 639234065981939454
93 ms 91.241.94.206
18 2026-08-27 05:38 639234055548642997
2062 ms 91.241.94.206
17 2026-08-27 05:21 639234045267979603
48 ms 91.241.94.206
16 2026-08-27 05:04 639234034999717463
120 ms 91.241.94.206
15 2026-08-27 04:46 639234024739225358
57 ms 91.241.94.206
14 2026-08-27 04:29 639234014311170162
4082 ms 91.241.94.206
13 2026-08-27 04:12 639234003806017640
48 ms 91.241.94.206
12 2026-08-27 03:54 639233993356203030
115 ms 91.241.94.206
11 2026-08-27 03:01 639233961301716608
2062 ms 91.241.94.206
10 2026-08-27 02:44 639233950834200647
83 ms 91.241.94.206
9 2026-08-27 02:26 639233940431849026
90 ms 91.241.94.206
8 2026-08-27 02:09 639233930110596398
69 ms 91.241.94.206
7 2026-08-27 01:52 639233919705434540
2055 ms 91.241.94.206
6 2026-08-27 01:34 639233909452807845
42 ms 91.241.94.206
5 2026-08-27 01:17 639233899096420820
67 ms 91.241.94.206
4 2026-08-27 01:00 639233888707824939
136 ms 91.241.94.206
3 2026-08-27 00:43 639233878461203802
62 ms 91.241.94.206
2 2026-08-27 00:25 639233868060868209
74 ms 91.241.94.206
1 2026-08-27 00:08 639233857450922991
2062 ms 91.241.94.206