DNS response history for ns21.uscomputergroup.com

ns21.uscomputergroup.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 91 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 ns21.uscomputergroup.com.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

91 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

72.15.228.85

Most recently resolved hosting IP on selected date

Successful Responses

74

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 ns21.uscomputergroup.com

Showing DNS history for 2026-08-23 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
75 2026-08-23 23:47 639231254406598736
98 ms 72.15.228.85
74 2026-08-23 23:31 639231244697865594
64 ms 72.15.228.85
73 2026-08-23 23:15 639231234893504693
37 ms 72.15.228.85
72 2026-08-23 22:59 639231225024549139
42 ms 72.15.228.85
71 2026-08-23 22:42 639231214931957622
73 ms 72.15.228.85
70 2026-08-23 22:25 639231204962010549
166 ms 72.15.228.85
69 2026-08-23 22:09 639231195170138463
27 ms 72.15.228.85
68 2026-08-23 21:52 639231185235020577
211 ms 72.15.228.85
67 2026-08-23 21:36 639231175558690075
43 ms 72.15.228.85
66 2026-08-23 21:19 639231165610444012
65 ms 72.15.228.85
65 2026-08-23 20:26 639231133806425363
72 ms 72.15.228.85
64 2026-08-23 20:10 639231124203758023
125 ms 72.15.228.85
63 2026-08-23 19:54 639231114428262706
89 ms 72.15.228.85
62 2026-08-23 19:38 639231104662480065
24 ms 72.15.228.85
61 2026-08-23 19:22 639231094840372018
131 ms 72.15.228.85
60 2026-08-23 19:05 639231085024583224
81 ms 72.15.228.85
59 2026-08-23 18:49 639231075257417427
121 ms 72.15.228.85
58 2026-08-23 18:33 639231065516009503
160 ms 72.15.228.85
57 2026-08-23 18:16 639231055805348837
74 ms 72.15.228.85
56 2026-08-23 18:00 639231045980373765
95 ms 72.15.228.85
55 2026-08-23 17:43 639231035984577527
181 ms 72.15.228.85
54 2026-08-23 17:27 639231025928115303
133 ms 72.15.228.85
53 2026-08-23 16:34 639230994250157583
23 ms 72.15.228.85
52 2026-08-23 16:18 639230984476411369
147 ms 72.15.228.85
51 2026-08-23 16:01 639230974838373450
87 ms 72.15.228.85
50 2026-08-23 15:45 639230965244277645
110 ms 72.15.228.85
49 2026-08-23 15:29 639230955522101820
70 ms 72.15.228.85
48 2026-08-23 15:13 639230945754521603
97 ms 72.15.228.85
47 2026-08-23 14:57 639230935852040504
141 ms 72.15.228.85
46 2026-08-23 14:40 639230926222061048
122 ms 72.15.228.85
45 2026-08-23 14:24 639230916449726907
38 ms 72.15.228.85
44 2026-08-23 14:08 639230906595053086
151 ms 72.15.228.85
43 2026-08-23 13:51 639230896680429441
65 ms 72.15.228.85
42 2026-08-23 13:34 639230886630210965
192 ms 72.15.228.85
41 2026-08-23 12:43 639230855430405719
86 ms 72.15.228.85
40 2026-08-23 12:26 639230845707499136
28 ms 72.15.228.85
39 2026-08-23 12:10 639230836186805419
83 ms 72.15.228.85
38 2026-08-23 11:54 639230826493828316
28 ms 72.15.228.85
37 2026-08-23 11:38 639230816817882996
83 ms 72.15.228.85
36 2026-08-23 11:22 639230806933854189
45 ms 72.15.228.85
35 2026-08-23 11:05 639230797120243854
167 ms 72.15.228.85
34 2026-08-23 10:49 639230787310272840
11 ms 72.15.228.85
33 2026-08-23 10:33 639230777600173142
105 ms 72.15.228.85
32 2026-08-23 10:16 639230767665024593
45 ms 72.15.228.85
31 2026-08-23 10:00 639230757720962293
112 ms 72.15.228.85
30 2026-08-23 09:43 639230747722189784
34 ms 72.15.228.85
29 2026-08-23 08:51 639230716313923480
150 ms 72.15.228.85
28 2026-08-23 08:35 639230706813835990
98 ms 72.15.228.85
27 2026-08-23 08:18 639230696871062203
51 ms 72.15.228.85
26 2026-08-23 08:02 639230687142781616
-
25 2026-08-23 07:46 639230677432142227
62 ms 72.15.228.85
24 2026-08-23 07:30 639230667686258061
25 ms 72.15.228.85
23 2026-08-23 07:13 639230658039243685
243 ms 72.15.228.85
22 2026-08-23 06:57 639230648468473803
167 ms 72.15.228.85
21 2026-08-23 06:41 639230638829658294
40 ms 72.15.228.85
20 2026-08-23 06:25 639230629247017617
33 ms 72.15.228.85
19 2026-08-23 06:09 639230619625318239
123 ms 72.15.228.85
18 2026-08-23 05:53 639230609697630264
59 ms 72.15.228.85
17 2026-08-23 05:01 639230578570131864
147 ms 72.15.228.85
16 2026-08-23 04:45 639230568958963168
27 ms 72.15.228.85
15 2026-08-23 04:29 639230559287611211
102 ms 72.15.228.85
14 2026-08-23 04:13 639230549524312030
129 ms 72.15.228.85
13 2026-08-23 03:56 639230539739801669
185 ms 72.15.228.85
12 2026-08-23 03:40 639230530084069375
134 ms 72.15.228.85
11 2026-08-23 03:24 639230520362691441
15 ms 72.15.228.85
10 2026-08-23 03:08 639230510677194518
123 ms 72.15.228.85
9 2026-08-23 02:52 639230501156002646
126 ms 72.15.228.85
8 2026-08-23 02:36 639230491502198541
54 ms 72.15.228.85
7 2026-08-23 02:20 639230481860318494
17 ms 72.15.228.85
6 2026-08-23 02:03 639230471893008575
43 ms 72.15.228.85
5 2026-08-23 01:10 639230440030877421
172 ms 72.15.228.85
4 2026-08-23 00:54 639230430479725508
11 ms 72.15.228.85
3 2026-08-23 00:38 639230420875160219
80 ms 72.15.228.85
2 2026-08-23 00:22 639230411240692575
110 ms 72.15.228.85
1 2026-08-23 00:06 639230401550806607
37 ms 72.15.228.85