DNS response history for ns1.ipswitch.com

ns1.ipswitch.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 2026-08-21. For this date, NameServerHistory found 72 DNS check records, 71 successful responses, 1 failed responses, and 337 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.ipswitch.com.
Records on Selected Date

72

Historical checks stored for this nameserver on selected date

Average Latency

337 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.21.20.20

Most recently resolved hosting IP on selected date

Successful Responses

71

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 ns1.ipswitch.com

Showing DNS history for 2026-08-21 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
72 2026-08-21 23:47 639229527598660841
42 ms 156.21.20.20
71 2026-08-21 23:31 639229517954323214
19 ms 156.21.20.20
70 2026-08-21 23:14 639229508269999021
4 ms 156.21.20.20
69 2026-08-21 22:58 639229498559060171
11 ms 156.21.20.20
68 2026-08-21 22:41 639229488519347586
9 ms 156.21.20.20
67 2026-08-21 21:48 639229456606578934
2008 ms 156.21.20.20
66 2026-08-21 21:32 639229446985772499
15 ms 156.21.20.20
65 2026-08-21 21:16 639229437367313098
26 ms 156.21.20.20
64 2026-08-21 21:00 639229427923950391
65 ms 156.21.20.20
63 2026-08-21 20:44 639229418168588854
7 ms 156.21.20.20
62 2026-08-21 20:28 639229408345678334
104 ms 156.21.20.20
61 2026-08-21 20:12 639229398616354648
11 ms 156.21.20.20
60 2026-08-21 19:55 639229388634592323
125 ms 156.21.20.20
59 2026-08-21 19:39 639229378792837692
25 ms 156.21.20.20
58 2026-08-21 19:23 639229369154682311
61 ms 156.21.20.20
57 2026-08-21 19:06 639229359248017926
51 ms 156.21.20.20
56 2026-08-21 18:49 639229349124294642
15 ms 156.21.20.20
55 2026-08-21 17:57 639229317791715692
43 ms 156.21.20.20
54 2026-08-21 17:41 639229308115194575
27 ms 156.21.20.20
53 2026-08-21 17:25 639229298320320558
2015 ms 156.21.20.20
52 2026-08-21 17:08 639229288674863221
9 ms 156.21.20.20
51 2026-08-21 16:52 639229278983677079
3 ms 156.21.20.20
50 2026-08-21 16:36 639229269405517175
10 ms 156.21.20.20
49 2026-08-21 16:20 639229259594798244
2041 ms 156.21.20.20
48 2026-08-21 16:03 639229249736681188
22 ms 156.21.20.20
47 2026-08-21 15:47 639229239699417787
45 ms 156.21.20.20
46 2026-08-21 15:30 639229229621964033
16 ms 156.21.20.20
45 2026-08-21 15:13 639229219567270965
8 ms 156.21.20.20
44 2026-08-21 14:56 639229209406666856
5 ms 156.21.20.20
43 2026-08-21 14:04 639229177815876178
15 ms 156.21.20.20
42 2026-08-21 13:48 639229168243572685
8 ms 156.21.20.20
41 2026-08-21 13:32 639229158599856475
29 ms 156.21.20.20
40 2026-08-21 13:16 639229148998940902
2015 ms 156.21.20.20
39 2026-08-21 12:59 639229139276923594
28 ms 156.21.20.20
38 2026-08-21 12:43 639229129709912394
5 ms 156.21.20.20
37 2026-08-21 12:27 639229119801488500
25 ms 156.21.20.20
36 2026-08-21 12:11 639229110135262458
4020 ms 156.21.20.20
35 2026-08-21 11:55 639229100336051392
22 ms 156.21.20.20
34 2026-08-21 11:38 639229090641415626
13 ms 156.21.20.20
33 2026-08-21 11:22 639229080702683947
9 ms 156.21.20.20
32 2026-08-21 11:05 639229070601456699
28 ms 156.21.20.20
31 2026-08-21 10:12 639229038947447232
2016 ms 156.21.20.20
30 2026-08-21 09:56 639229029268708773
21 ms 156.21.20.20
29 2026-08-21 09:40 639229019647910603
9 ms 156.21.20.20
28 2026-08-21 09:24 639229009983843738
42 ms 156.21.20.20
27 2026-08-21 09:08 639229000203331882
2052 ms 156.21.20.20
26 2026-08-21 08:51 639228990302335999
6 ms 156.21.20.20
25 2026-08-21 08:35 639228980567740722
34 ms 156.21.20.20
24 2026-08-21 08:19 639228970762445174
11 ms 156.21.20.20
23 2026-08-21 08:02 639228961065054445
28 ms 156.21.20.20
22 2026-08-21 07:46 639228951224649885
16 ms 156.21.20.20
21 2026-08-21 07:29 639228941303864592
46 ms 156.21.20.20
20 2026-08-21 07:13 639228931191328583
21 ms 156.21.20.20
19 2026-08-21 06:20 639228899518173317
47 ms 156.21.20.20
18 2026-08-21 06:04 639228889785027669
19 ms 156.21.20.20
17 2026-08-21 05:48 639228880106330161
2083 ms 156.21.20.20
16 2026-08-21 05:31 639228870316184091
11 ms 156.21.20.20
15 2026-08-21 05:15 639228860695366512
17 ms 156.21.20.20
14 2026-08-21 04:59 639228851027209500
21 ms 156.21.20.20
13 2026-08-21 04:43 639228841479265462
-
12 2026-08-21 04:27 639228831752962260
16 ms 156.21.20.20
11 2026-08-21 04:11 639228821953295483
26 ms 156.21.20.20
10 2026-08-21 03:54 639228812227429953
12 ms 156.21.20.20
9 2026-08-21 03:38 639228802476107538
26 ms 156.21.20.20
8 2026-08-21 03:22 639228792525492032
14 ms 156.21.20.20
7 2026-08-21 02:29 639228761131421385
2065 ms 156.21.20.20
6 2026-08-21 02:13 639228751571206692
14 ms 156.21.20.20
5 2026-08-21 01:57 639228741705571019
26 ms 156.21.20.20
4 2026-08-21 01:40 639228731642208228
38 ms 156.21.20.20
3 2026-08-21 00:48 639228700387002072
2069 ms 156.21.20.20
2 2026-08-21 00:32 639228690742014433
36 ms 156.21.20.20
1 2026-08-21 00:15 639228680877937122
4 ms 156.21.20.20