DNS response history for ns1.rackspeed.net

ns1.rackspeed.net 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 144 DNS check records, 144 successful responses, 0 failed responses, and 112 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 ns1.rackspeed.net.
Records on Selected Date

144

Historical checks stored for this nameserver on selected date

Average Latency

112 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.67.197.97

Most recently resolved hosting IP on selected date

Successful Responses

144

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 ns1.rackspeed.net

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
144 2026-08-23 22:55 639231225024549139
57 ms 172.67.197.97
143 2026-08-23 22:55 639231225024549139
57 ms 104.21.84.218
142 2026-08-23 22:38 639231214931957622
19 ms 104.21.84.218
141 2026-08-23 22:38 639231214931957622
19 ms 172.67.197.97
140 2026-08-23 22:22 639231204962010549
7 ms 172.67.197.97
139 2026-08-23 22:22 639231204962010549
7 ms 104.21.84.218
138 2026-08-23 22:05 639231195170138463
12 ms 172.67.197.97
137 2026-08-23 22:05 639231195170138463
12 ms 104.21.84.218
136 2026-08-23 21:49 639231185235020577
20 ms 172.67.197.97
135 2026-08-23 21:49 639231185235020577
20 ms 104.21.84.218
134 2026-08-23 21:33 639231175558690075
4027 ms 104.21.84.218
133 2026-08-23 21:33 639231175558690075
4027 ms 172.67.197.97
132 2026-08-23 21:16 639231165610444012
54 ms 172.67.197.97
131 2026-08-23 21:16 639231165610444012
54 ms 104.21.84.218
130 2026-08-23 20:23 639231133806425363
10 ms 104.21.84.218
129 2026-08-23 20:23 639231133806425363
10 ms 172.67.197.97
128 2026-08-23 20:07 639231124203758023
37 ms 104.21.84.218
127 2026-08-23 20:07 639231124203758023
37 ms 172.67.197.97
126 2026-08-23 19:51 639231114428262706
44 ms 104.21.84.218
125 2026-08-23 19:51 639231114428262706
44 ms 172.67.197.97
124 2026-08-23 19:34 639231104662480065
45 ms 104.21.84.218
123 2026-08-23 19:34 639231104662480065
45 ms 172.67.197.97
122 2026-08-23 19:18 639231094840372018
61 ms 172.67.197.97
121 2026-08-23 19:18 639231094840372018
61 ms 104.21.84.218
120 2026-08-23 19:02 639231085024583224
9 ms 172.67.197.97
119 2026-08-23 19:02 639231085024583224
9 ms 104.21.84.218
118 2026-08-23 18:45 639231075257417427
17 ms 104.21.84.218
117 2026-08-23 18:45 639231075257417427
17 ms 172.67.197.97
116 2026-08-23 18:29 639231065516009503
11 ms 104.21.84.218
115 2026-08-23 18:29 639231065516009503
11 ms 172.67.197.97
114 2026-08-23 18:13 639231055805348837
5 ms 104.21.84.218
113 2026-08-23 18:13 639231055805348837
5 ms 172.67.197.97
112 2026-08-23 17:57 639231045980373765
35 ms 172.67.197.97
111 2026-08-23 17:57 639231045980373765
35 ms 104.21.84.218
110 2026-08-23 17:40 639231035984577527
36 ms 104.21.84.218
109 2026-08-23 17:40 639231035984577527
36 ms 172.67.197.97
108 2026-08-23 17:23 639231025928115303
16 ms 104.21.84.218
107 2026-08-23 17:23 639231025928115303
16 ms 172.67.197.97
106 2026-08-23 16:30 639230994250157583
10 ms 104.21.84.218
105 2026-08-23 16:30 639230994250157583
10 ms 172.67.197.97
104 2026-08-23 16:14 639230984476411369
36 ms 172.67.197.97
103 2026-08-23 16:14 639230984476411369
36 ms 104.21.84.218
102 2026-08-23 15:58 639230974838373450
45 ms 104.21.84.218
101 2026-08-23 15:58 639230974838373450
45 ms 172.67.197.97
100 2026-08-23 15:42 639230965244277645
34 ms 172.67.197.97
99 2026-08-23 15:42 639230965244277645
34 ms 104.21.84.218
98 2026-08-23 15:26 639230955522101820
37 ms 172.67.197.97
97 2026-08-23 15:26 639230955522101820
37 ms 104.21.84.218
96 2026-08-23 15:10 639230945754521603
32 ms 104.21.84.218
95 2026-08-23 15:10 639230945754521603
32 ms 172.67.197.97
94 2026-08-23 14:53 639230935852040504
38 ms 172.67.197.97
93 2026-08-23 14:53 639230935852040504
38 ms 104.21.84.218
92 2026-08-23 14:37 639230926222061048
19 ms 104.21.84.218
91 2026-08-23 14:37 639230926222061048
19 ms 172.67.197.97
90 2026-08-23 14:21 639230916449726907
53 ms 172.67.197.97
89 2026-08-23 14:21 639230916449726907
53 ms 104.21.84.218
88 2026-08-23 14:04 639230906595053086
8 ms 172.67.197.97
87 2026-08-23 14:04 639230906595053086
8 ms 104.21.84.218
86 2026-08-23 13:48 639230896680429441
40 ms 172.67.197.97
85 2026-08-23 13:48 639230896680429441
40 ms 104.21.84.218
84 2026-08-23 13:31 639230886630210965
7 ms 172.67.197.97
83 2026-08-23 13:31 639230886630210965
7 ms 104.21.84.218
82 2026-08-23 12:39 639230855430405719
2023 ms 104.21.84.218
81 2026-08-23 12:39 639230855430405719
2023 ms 172.67.197.97
80 2026-08-23 12:23 639230845707499136
16 ms 172.67.197.97
79 2026-08-23 12:23 639230845707499136
16 ms 104.21.84.218
78 2026-08-23 12:07 639230836186805419
14 ms 172.67.197.97
77 2026-08-23 12:07 639230836186805419
14 ms 104.21.84.218
76 2026-08-23 11:51 639230826493828316
14 ms 104.21.84.218
75 2026-08-23 11:51 639230826493828316
14 ms 172.67.197.97
74 2026-08-23 11:35 639230816817882996
58 ms 104.21.84.218
73 2026-08-23 11:35 639230816817882996
58 ms 172.67.197.97
72 2026-08-23 11:18 639230806933854189
69 ms 172.67.197.97
71 2026-08-23 11:18 639230806933854189
69 ms 104.21.84.218
70 2026-08-23 11:02 639230797120243854
40 ms 172.67.197.97
69 2026-08-23 11:02 639230797120243854
40 ms 104.21.84.218
68 2026-08-23 10:45 639230787310272840
11 ms 104.21.84.218
67 2026-08-23 10:45 639230787310272840
11 ms 172.67.197.97
66 2026-08-23 10:29 639230777600173142
31 ms 104.21.84.218
65 2026-08-23 10:29 639230777600173142
31 ms 172.67.197.97
64 2026-08-23 10:13 639230767665024593
5 ms 172.67.197.97
63 2026-08-23 10:13 639230767665024593
5 ms 104.21.84.218
62 2026-08-23 09:56 639230757720962293
11 ms 172.67.197.97
61 2026-08-23 09:56 639230757720962293
11 ms 104.21.84.218
60 2026-08-23 09:40 639230747722189784
8 ms 104.21.84.218
59 2026-08-23 09:40 639230747722189784
8 ms 172.67.197.97
58 2026-08-23 08:47 639230716313923480
8 ms 104.21.84.218
57 2026-08-23 08:47 639230716313923480
8 ms 172.67.197.97
56 2026-08-23 08:31 639230706813835990
18 ms 172.67.197.97
55 2026-08-23 08:31 639230706813835990
18 ms 104.21.84.218
54 2026-08-23 08:15 639230696871062203
35 ms 104.21.84.218
53 2026-08-23 08:15 639230696871062203
35 ms 172.67.197.97
52 2026-08-23 07:59 639230687142781616
11 ms 172.67.197.97
51 2026-08-23 07:59 639230687142781616
11 ms 104.21.84.218
50 2026-08-23 07:42 639230677432142227
142 ms 104.21.84.218
49 2026-08-23 07:42 639230677432142227
142 ms 172.67.197.97
48 2026-08-23 07:26 639230667686258061
26 ms 104.21.84.218
47 2026-08-23 07:26 639230667686258061
26 ms 172.67.197.97
46 2026-08-23 07:10 639230658039243685
10 ms 104.21.84.218
45 2026-08-23 07:10 639230658039243685
10 ms 172.67.197.97
44 2026-08-23 06:54 639230648468473803
7 ms 172.67.197.97
43 2026-08-23 06:54 639230648468473803
7 ms 104.21.84.218
42 2026-08-23 06:38 639230638829658294
42 ms 104.21.84.218
41 2026-08-23 06:38 639230638829658294
42 ms 172.67.197.97
40 2026-08-23 06:22 639230629247017617
28 ms 172.67.197.97
39 2026-08-23 06:22 639230629247017617
28 ms 104.21.84.218
38 2026-08-23 06:06 639230619625318239
14 ms 172.67.197.97
37 2026-08-23 06:06 639230619625318239
14 ms 104.21.84.218
36 2026-08-23 05:49 639230609697630264
50 ms 104.21.84.218
35 2026-08-23 05:49 639230609697630264
50 ms 172.67.197.97
34 2026-08-23 04:58 639230578570131864
9 ms 104.21.84.218
33 2026-08-23 04:58 639230578570131864
9 ms 172.67.197.97
32 2026-08-23 04:42 639230568958963168
16 ms 104.21.84.218
31 2026-08-23 04:42 639230568958963168
16 ms 172.67.197.97
30 2026-08-23 04:25 639230559287611211
39 ms 172.67.197.97
29 2026-08-23 04:25 639230559287611211
39 ms 104.21.84.218
28 2026-08-23 04:09 639230549524312030
35 ms 172.67.197.97
27 2026-08-23 04:09 639230549524312030
35 ms 104.21.84.218
26 2026-08-23 03:53 639230539739801669
24 ms 104.21.84.218
25 2026-08-23 03:53 639230539739801669
24 ms 172.67.197.97
24 2026-08-23 03:37 639230530084069375
34 ms 104.21.84.218
23 2026-08-23 03:37 639230530084069375
34 ms 172.67.197.97
22 2026-08-23 03:21 639230520362691441
31 ms 104.21.84.218
21 2026-08-23 03:21 639230520362691441
31 ms 172.67.197.97
20 2026-08-23 03:04 639230510677194518
27 ms 104.21.84.218
19 2026-08-23 03:04 639230510677194518
27 ms 172.67.197.97
18 2026-08-23 02:48 639230501156002646
12 ms 104.21.84.218
17 2026-08-23 02:48 639230501156002646
12 ms 172.67.197.97
16 2026-08-23 02:32 639230491502198541
39 ms 104.21.84.218
15 2026-08-23 02:32 639230491502198541
39 ms 172.67.197.97
14 2026-08-23 02:16 639230481860318494
29 ms 104.21.84.218
13 2026-08-23 02:16 639230481860318494
29 ms 172.67.197.97
12 2026-08-23 02:00 639230471893008575
13 ms 104.21.84.218
11 2026-08-23 02:00 639230471893008575
13 ms 172.67.197.97
10 2026-08-23 01:07 639230440030877421
30 ms 172.67.197.97
9 2026-08-23 01:07 639230440030877421
30 ms 104.21.84.218
8 2026-08-23 00:51 639230430479725508
93 ms 172.67.197.97
7 2026-08-23 00:51 639230430479725508
93 ms 104.21.84.218
6 2026-08-23 00:35 639230420875160219
5 ms 172.67.197.97
5 2026-08-23 00:35 639230420875160219
5 ms 104.21.84.218
4 2026-08-23 00:19 639230411240692575
11 ms 172.67.197.97
3 2026-08-23 00:19 639230411240692575
11 ms 104.21.84.218
2 2026-08-23 00:03 639230401550806607
47 ms 104.21.84.218
1 2026-08-23 00:03 639230401550806607
47 ms 172.67.197.97