DNS response history for ns1.rackdc.com

ns1.rackdc.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 71 DNS check records, 71 successful responses, 0 failed responses, and 354 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.rackdc.com.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

354 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.35.21.245

Most recently resolved hosting IP on selected date

Successful Responses

71

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.rackdc.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
71 2026-08-23 22:48 639231214931957622
3 ms 185.35.21.245
70 2026-08-23 22:31 639231204962010549
2 ms 185.35.21.245
69 2026-08-23 22:15 639231195170138463
5 ms 185.35.21.245
68 2026-08-23 21:59 639231185235020577
94 ms 185.35.21.245
67 2026-08-23 21:42 639231175558690075
60 ms 185.35.21.245
66 2026-08-23 21:26 639231165610444012
3 ms 185.35.21.245
65 2026-08-23 20:33 639231133806425363
110 ms 185.35.21.245
64 2026-08-23 20:17 639231124203758023
94 ms 185.35.21.245
63 2026-08-23 20:00 639231114428262706
58 ms 185.35.21.245
62 2026-08-23 19:44 639231104662480065
7 ms 185.35.21.245
61 2026-08-23 19:28 639231094840372018
31 ms 185.35.21.245
60 2026-08-23 19:12 639231085024583224
91 ms 185.35.21.245
59 2026-08-23 18:55 639231075257417427
65 ms 185.35.21.245
58 2026-08-23 18:39 639231065516009503
95 ms 185.35.21.245
57 2026-08-23 18:23 639231055805348837
60 ms 185.35.21.245
56 2026-08-23 18:06 639231045980373765
107 ms 185.35.21.245
55 2026-08-23 17:50 639231035984577527
1618 ms 185.35.21.245
54 2026-08-23 17:33 639231025928115303
1605 ms 185.35.21.245
53 2026-08-23 16:40 639230994250157583
91 ms 185.35.21.245
52 2026-08-23 16:24 639230984476411369
68 ms 185.35.21.245
51 2026-08-23 16:08 639230974838373450
147 ms 185.35.21.245
50 2026-08-23 15:52 639230965244277645
3 ms 185.35.21.245
49 2026-08-23 15:36 639230955522101820
10 ms 185.35.21.245
48 2026-08-23 15:19 639230945754521603
56 ms 185.35.21.245
47 2026-08-23 15:03 639230935852040504
95 ms 185.35.21.245
46 2026-08-23 14:47 639230926222061048
98 ms 185.35.21.245
45 2026-08-23 14:30 639230916449726907
3 ms 185.35.21.245
44 2026-08-23 14:14 639230906595053086
61 ms 185.35.21.245
43 2026-08-23 13:57 639230896680429441
4 ms 185.35.21.245
42 2026-08-23 13:41 639230886630210965
89 ms 185.35.21.245
41 2026-08-23 12:49 639230855430405719
55 ms 185.35.21.245
40 2026-08-23 12:33 639230845707499136
93 ms 185.35.21.245
39 2026-08-23 12:16 639230836186805419
87 ms 185.35.21.245
38 2026-08-23 12:01 639230826493828316
31 ms 185.35.21.245
37 2026-08-23 11:44 639230816817882996
19 ms 185.35.21.245
36 2026-08-23 11:28 639230806933854189
99 ms 185.35.21.245
35 2026-08-23 11:12 639230797120243854
3611 ms 185.35.21.245
34 2026-08-23 10:55 639230787310272840
3 ms 185.35.21.245
33 2026-08-23 10:39 639230777600173142
4 ms 185.35.21.245
32 2026-08-23 10:23 639230767665024593
96 ms 185.35.21.245
31 2026-08-23 10:06 639230757720962293
94 ms 185.35.21.245
30 2026-08-23 09:49 639230747722189784
2063 ms 185.35.21.245
29 2026-08-23 08:57 639230716313923480
89 ms 185.35.21.245
28 2026-08-23 08:41 639230706813835990
4 ms 185.35.21.245
27 2026-08-23 08:25 639230696871062203
103 ms 185.35.21.245
26 2026-08-23 08:08 639230687142781616
2054 ms 185.35.21.245
25 2026-08-23 07:52 639230677432142227
3 ms 185.35.21.245
24 2026-08-23 07:36 639230667686258061
2074 ms 185.35.21.245
23 2026-08-23 07:20 639230658039243685
89 ms 185.35.21.245
22 2026-08-23 07:04 639230648468473803
89 ms 185.35.21.245
21 2026-08-23 06:48 639230638829658294
2062 ms 185.35.21.245
20 2026-08-23 06:32 639230629247017617
94 ms 185.35.21.245
19 2026-08-23 06:15 639230619625318239
73 ms 185.35.21.245
18 2026-08-23 05:59 639230609697630264
95 ms 185.35.21.245
17 2026-08-23 05:07 639230578570131864
4 ms 185.35.21.245
16 2026-08-23 04:51 639230568958963168
88 ms 185.35.21.245
15 2026-08-23 04:35 639230559287611211
182 ms 185.35.21.245
14 2026-08-23 04:19 639230549524312030
93 ms 185.35.21.245
13 2026-08-23 04:03 639230539739801669
58 ms 185.35.21.245
12 2026-08-23 03:47 639230530084069375
2069 ms 185.35.21.245
11 2026-08-23 03:30 639230520362691441
671 ms 185.35.21.245
10 2026-08-23 03:14 639230510677194518
9 ms 185.35.21.245
9 2026-08-23 02:58 639230501156002646
53 ms 185.35.21.245
8 2026-08-23 02:42 639230491502198541
126 ms 185.35.21.245
7 2026-08-23 02:26 639230481860318494
2065 ms 185.35.21.245
6 2026-08-23 02:10 639230471893008575
53 ms 185.35.21.245
5 2026-08-23 01:16 639230440030877421
2 ms 185.35.21.245
4 2026-08-23 01:00 639230430479725508
6 ms 185.35.21.245
3 2026-08-23 00:44 639230420875160219
1554 ms 185.35.21.245
2 2026-08-23 00:28 639230411240692575
92 ms 185.35.21.245
1 2026-08-23 00:12 639230401550806607
87 ms 185.35.21.245