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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 247 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

57

Historical checks stored for this nameserver on selected date

Average Latency

247 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-20 23:16

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

57

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 2026-08-20 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
57 2026-08-20 23:16 639228639850033448
91 ms 185.35.21.245
56 2026-08-20 23:00 639228630204271870
94 ms 185.35.21.245
55 2026-08-20 22:43 639228620295091135
118 ms 185.35.21.245
54 2026-08-20 22:27 639228610298336915
7 ms 185.35.21.245
53 2026-08-20 21:34 639228578917047616
71 ms 185.35.21.245
52 2026-08-20 21:18 639228569046445709
2083 ms 185.35.21.245
51 2026-08-20 21:01 639228558946830986
86 ms 185.35.21.245
50 2026-08-20 20:44 639228548977359217
13 ms 185.35.21.245
49 2026-08-20 19:52 639228517494157668
99 ms 185.35.21.245
48 2026-08-20 19:36 639228507374116892
7 ms 185.35.21.245
47 2026-08-20 19:18 639228497315154893
73 ms 185.35.21.245
46 2026-08-20 19:02 639228487287648341
98 ms 185.35.21.245
45 2026-08-20 18:09 639228455828123788
5 ms 185.35.21.245
44 2026-08-20 17:53 639228445900082244
3 ms 185.35.21.245
43 2026-08-20 17:36 639228435866352323
96 ms 185.35.21.245
42 2026-08-20 17:19 639228425802273151
3 ms 185.35.21.245
41 2026-08-20 16:26 639228393616324230
87 ms 185.35.21.245
40 2026-08-20 16:09 639228383590408693
103 ms 185.35.21.245
39 2026-08-20 15:52 639228373471467474
8 ms 185.35.21.245
38 2026-08-20 15:35 639228363426647311
104 ms 185.35.21.245
37 2026-08-20 14:42 639228331681701910
110 ms 185.35.21.245
36 2026-08-20 14:26 639228321714746824
104 ms 185.35.21.245
35 2026-08-20 14:09 639228311652090262
3594 ms 185.35.21.245
34 2026-08-20 13:52 639228301670088587
101 ms 185.35.21.245
33 2026-08-20 13:00 639228269987976710
61 ms 185.35.21.245
32 2026-08-20 12:43 639228260009452308
685 ms 185.35.21.245
31 2026-08-20 12:26 639228249661740894
109 ms 185.35.21.245
30 2026-08-20 12:09 639228239552680346
103 ms 185.35.21.245
29 2026-08-20 11:16 639228207667580819
1615 ms 185.35.21.245
28 2026-08-20 10:59 639228197494011560
101 ms 185.35.21.245
27 2026-08-20 10:42 639228187497039939
103 ms 185.35.21.245
26 2026-08-20 10:25 639228177408432646
99 ms 185.35.21.245
25 2026-08-20 09:33 639228146356166262
99 ms 185.35.21.245
24 2026-08-20 09:17 639228136541505712
100 ms 185.35.21.245
23 2026-08-20 09:01 639228126519136598
106 ms 185.35.21.245
22 2026-08-20 08:44 639228116537148885
101 ms 185.35.21.245
21 2026-08-20 07:51 639228085320764351
106 ms 185.35.21.245
20 2026-08-20 07:36 639228075444604839
52 ms 185.35.21.245
19 2026-08-20 07:19 639228065615498985
4 ms 185.35.21.245
18 2026-08-20 07:02 639228055675321422
101 ms 185.35.21.245
17 2026-08-20 06:10 639228024230839396
1618 ms 185.35.21.245
16 2026-08-20 05:54 639228014720406505
689 ms 185.35.21.245
15 2026-08-20 05:38 639228004930827030
113 ms 185.35.21.245
14 2026-08-20 05:21 639227995103340154
53 ms 185.35.21.245
13 2026-08-20 04:29 639227963811374894
104 ms 185.35.21.245
12 2026-08-20 04:13 639227954132571365
54 ms 185.35.21.245
11 2026-08-20 03:57 639227944541208342
50 ms 185.35.21.245
10 2026-08-20 03:41 639227934657213484
104 ms 185.35.21.245
9 2026-08-20 02:49 639227903628145469
3 ms 185.35.21.245
8 2026-08-20 02:33 639227893995483475
4 ms 185.35.21.245
7 2026-08-20 02:17 639227884280244209
3 ms 185.35.21.245
6 2026-08-20 02:00 639227874371147132
118 ms 185.35.21.245
5 2026-08-20 01:08 639227843224256432
124 ms 185.35.21.245
4 2026-08-20 00:52 639227833720403506
110 ms 185.35.21.245
3 2026-08-20 00:37 639227824170728278
56 ms 185.35.21.245
2 2026-08-20 00:21 639227814865867570
56 ms 185.35.21.245
1 2026-08-20 00:05 639227805445376839
108 ms 185.35.21.245