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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 226 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

226 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:45

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 2026-08-19 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 2026-08-19 23:45 639227795899225951
101 ms 91.241.94.206
73 2026-08-19 23:29 639227786351762008
99 ms 91.241.94.206
72 2026-08-19 23:13 639227776640591733
76 ms 91.241.94.206
71 2026-08-19 22:57 639227767128841282
70 ms 91.241.94.206
70 2026-08-19 22:41 639227757477304711
86 ms 91.241.94.206
69 2026-08-19 22:25 639227747572098014
73 ms 91.241.94.206
68 2026-08-19 22:08 639227737588613113
76 ms 91.241.94.206
67 2026-08-19 21:16 639227706134603955
82 ms 91.241.94.206
66 2026-08-19 21:00 639227696589027396
97 ms 91.241.94.206
65 2026-08-19 20:44 639227687097707639
122 ms 91.241.94.206
64 2026-08-19 20:28 639227677474464487
2060 ms 91.241.94.206
63 2026-08-19 20:12 639227667767441118
82 ms 91.241.94.206
62 2026-08-19 19:55 639227657984833832
89 ms 91.241.94.206
61 2026-08-19 19:39 639227648079992640
90 ms 91.241.94.206
60 2026-08-19 19:22 639227638125048441
91 ms 91.241.94.206
59 2026-08-19 19:06 639227628211392142
65 ms 91.241.94.206
58 2026-08-19 18:49 639227618261696275
76 ms 91.241.94.206
57 2026-08-19 18:32 639227608366233645
105 ms 91.241.94.206
56 2026-08-19 18:16 639227598301787588
2064 ms 91.241.94.206
55 2026-08-19 17:23 639227566241010716
98 ms 91.241.94.206
54 2026-08-19 17:06 639227556454538959
149 ms 91.241.94.206
53 2026-08-19 16:50 639227546640305542
73 ms 91.241.94.206
52 2026-08-19 16:34 639227536965466472
63 ms 91.241.94.206
51 2026-08-19 16:17 639227527048658280
53 ms 91.241.94.206
50 2026-08-19 16:01 639227517386634438
104 ms 91.241.94.206
49 2026-08-19 15:44 639227507459551637
119 ms 91.241.94.206
48 2026-08-19 15:28 639227497515595277
2065 ms 91.241.94.206
47 2026-08-19 15:11 639227487441798036
76 ms 91.241.94.206
46 2026-08-19 14:54 639227477445551863
88 ms 91.241.94.206
45 2026-08-19 14:37 639227467297067891
55 ms 91.241.94.206
44 2026-08-19 14:20 639227457057795635
69 ms 91.241.94.206
43 2026-08-19 13:27 639227425244777397
128 ms 91.241.94.206
42 2026-08-19 13:11 639227415422116485
2062 ms 91.241.94.206
41 2026-08-19 12:54 639227405307256053
52 ms 91.241.94.206
40 2026-08-19 12:38 639227395396602630
2074 ms 91.241.94.206
39 2026-08-19 12:21 639227385510363611
94 ms 91.241.94.206
38 2026-08-19 12:04 639227375508324850
97 ms 91.241.94.206
37 2026-08-19 11:48 639227365326611906
48 ms 91.241.94.206
36 2026-08-19 11:31 639227355360014208
69 ms 91.241.94.206
35 2026-08-19 11:14 639227345036782165
467 ms 91.241.94.206
34 2026-08-19 10:57 639227334992964533
51 ms 91.241.94.206
33 2026-08-19 10:40 639227324986605572
138 ms 91.241.94.206
32 2026-08-19 10:23 639227314928414539
120 ms 91.241.94.206
31 2026-08-19 09:30 639227283029182134
70 ms 91.241.94.206
30 2026-08-19 09:14 639227273294779350
76 ms 91.241.94.206
29 2026-08-19 08:58 639227263525231313
93 ms 91.241.94.206
28 2026-08-19 08:41 639227253578313363
48 ms 91.241.94.206
27 2026-08-19 08:25 639227243649973322
105 ms 91.241.94.206
26 2026-08-19 08:08 639227233581059317
80 ms 91.241.94.206
25 2026-08-19 07:51 639227223667352067
92 ms 91.241.94.206
24 2026-08-19 07:35 639227213714837066
50 ms 91.241.94.206
23 2026-08-19 07:18 639227203701208496
130 ms 91.241.94.206
22 2026-08-19 07:01 639227193643202179
88 ms 91.241.94.206
21 2026-08-19 06:45 639227183584431597
115 ms 91.241.94.206
20 2026-08-19 06:28 639227173347403088
96 ms 91.241.94.206
19 2026-08-19 05:34 639227141523007601
115 ms 91.241.94.206
18 2026-08-19 05:18 639227131785931574
123 ms 91.241.94.206
17 2026-08-19 05:02 639227122176475389
69 ms 91.241.94.206
16 2026-08-19 04:46 639227112668934596
107 ms 91.241.94.206
15 2026-08-19 04:30 639227102773292788
55 ms 91.241.94.206
14 2026-08-19 04:14 639227093141136930
90 ms 91.241.94.206
13 2026-08-19 03:58 639227083449420147
49 ms 91.241.94.206
12 2026-08-19 03:42 639227073771748493
138 ms 91.241.94.206
11 2026-08-19 03:25 639227063977347614
47 ms 91.241.94.206
10 2026-08-19 03:09 639227054253519024
105 ms 91.241.94.206
9 2026-08-19 02:52 639227044381963886
93 ms 91.241.94.206
8 2026-08-19 02:36 639227034441085514
141 ms 91.241.94.206
7 2026-08-19 01:44 639227003126489968
77 ms 91.241.94.206
6 2026-08-19 01:28 639226993456311614
81 ms 91.241.94.206
5 2026-08-19 01:12 639226983847312345
63 ms 91.241.94.206
4 2026-08-19 00:56 639226974357874853
97 ms 91.241.94.206
3 2026-08-19 00:40 639226964670484721
97 ms 91.241.94.206
2 2026-08-19 00:23 639226954857899696
58 ms 91.241.94.206
1 2026-08-19 00:07 639226945091603488
56 ms 91.241.94.206