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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 221 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

75

Historical checks stored for this nameserver on selected date

Average Latency

221 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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

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 ns1.ipswitch.com

Showing DNS history for 2026-08-19 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 2026-08-19 23:56 639227805445376839
30 ms 156.21.20.20
74 2026-08-19 23:40 639227795899225951
24 ms 156.21.20.20
73 2026-08-19 23:24 639227786351762008
34 ms 156.21.20.20
72 2026-08-19 23:08 639227776640591733
12 ms 156.21.20.20
71 2026-08-19 22:52 639227767128841282
30 ms 156.21.20.20
70 2026-08-19 22:36 639227757477304711
2135 ms 156.21.20.20
69 2026-08-19 22:20 639227747572098014
54 ms 156.21.20.20
68 2026-08-19 22:03 639227737588613113
42 ms 156.21.20.20
67 2026-08-19 21:11 639227706134603955
42 ms 156.21.20.20
66 2026-08-19 20:55 639227696589027396
38 ms 156.21.20.20
65 2026-08-19 20:39 639227687097707639
27 ms 156.21.20.20
64 2026-08-19 20:23 639227677474464487
42 ms 156.21.20.20
63 2026-08-19 20:07 639227667767441118
34 ms 156.21.20.20
62 2026-08-19 19:51 639227657984833832
15 ms 156.21.20.20
61 2026-08-19 19:34 639227648079992640
8 ms 156.21.20.20
60 2026-08-19 19:18 639227638125048441
2031 ms 156.21.20.20
59 2026-08-19 19:01 639227628211392142
60 ms 156.21.20.20
58 2026-08-19 18:44 639227618261696275
7 ms 156.21.20.20
57 2026-08-19 18:28 639227608366233645
7 ms 156.21.20.20
56 2026-08-19 18:11 639227598301787588
11 ms 156.21.20.20
55 2026-08-19 17:18 639227566241010716
7 ms 156.21.20.20
54 2026-08-19 17:01 639227556454538959
2030 ms 156.21.20.20
53 2026-08-19 16:45 639227546640305542
4 ms 156.21.20.20
52 2026-08-19 16:29 639227536965466472
6 ms 156.21.20.20
51 2026-08-19 16:12 639227527048658280
11 ms 156.21.20.20
50 2026-08-19 15:56 639227517386634438
41 ms 156.21.20.20
49 2026-08-19 15:40 639227507459551637
5 ms 156.21.20.20
48 2026-08-19 15:23 639227497515595277
11 ms 156.21.20.20
47 2026-08-19 15:06 639227487441798036
12 ms 156.21.20.20
46 2026-08-19 14:50 639227477445551863
19 ms 156.21.20.20
45 2026-08-19 14:33 639227467297067891
7 ms 156.21.20.20
44 2026-08-19 14:16 639227457057795635
48 ms 156.21.20.20
43 2026-08-19 13:23 639227425244777397
10 ms 156.21.20.20
42 2026-08-19 13:06 639227415422116485
30 ms 156.21.20.20
41 2026-08-19 12:49 639227405307256053
9 ms 156.21.20.20
40 2026-08-19 12:33 639227395396602630
22 ms 156.21.20.20
39 2026-08-19 12:16 639227385510363611
16 ms 156.21.20.20
38 2026-08-19 12:00 639227375508324850
34 ms 156.21.20.20
37 2026-08-19 11:43 639227365326611906
8 ms 156.21.20.20
36 2026-08-19 11:26 639227355360014208
46 ms 156.21.20.20
35 2026-08-19 11:09 639227345036782165
58 ms 156.21.20.20
34 2026-08-19 10:52 639227334992964533
58 ms 156.21.20.20
33 2026-08-19 10:36 639227324986605572
34 ms 156.21.20.20
32 2026-08-19 10:19 639227314928414539
91 ms 156.21.20.20
31 2026-08-19 09:26 639227283029182134
11 ms 156.21.20.20
30 2026-08-19 09:09 639227273294779350
71 ms 156.21.20.20
29 2026-08-19 08:53 639227263525231313
13 ms 156.21.20.20
28 2026-08-19 08:37 639227253578313363
31 ms 156.21.20.20
27 2026-08-19 08:20 639227243649973322
30 ms 156.21.20.20
26 2026-08-19 08:03 639227233581059317
2084 ms 156.21.20.20
25 2026-08-19 07:47 639227223667352067
76 ms 156.21.20.20
24 2026-08-19 07:30 639227213714837066
9 ms 156.21.20.20
23 2026-08-19 07:13 639227203701208496
20 ms 156.21.20.20
22 2026-08-19 06:57 639227193643202179
70 ms 156.21.20.20
21 2026-08-19 06:40 639227183584431597
2032 ms 156.21.20.20
20 2026-08-19 06:23 639227173347403088
24 ms 156.21.20.20
19 2026-08-19 05:30 639227141523007601
6 ms 156.21.20.20
18 2026-08-19 05:14 639227131785931574
13 ms 156.21.20.20
17 2026-08-19 04:58 639227122176475389
-
16 2026-08-19 04:42 639227112668934596
127 ms 156.21.20.20
15 2026-08-19 04:25 639227102773292788
7 ms 156.21.20.20
14 2026-08-19 04:09 639227093141136930
32 ms 156.21.20.20
13 2026-08-19 03:53 639227083449420147
24 ms 156.21.20.20
12 2026-08-19 03:37 639227073771748493
28 ms 156.21.20.20
11 2026-08-19 03:21 639227063977347614
52 ms 156.21.20.20
10 2026-08-19 03:04 639227054253519024
62 ms 156.21.20.20
9 2026-08-19 02:48 639227044381963886
10 ms 156.21.20.20
8 2026-08-19 02:31 639227034441085514
7 ms 156.21.20.20
7 2026-08-19 01:39 639227003126489968
10 ms 156.21.20.20
6 2026-08-19 01:23 639226993456311614
5 ms 156.21.20.20
5 2026-08-19 01:07 639226983847312345
121 ms 156.21.20.20
4 2026-08-19 00:51 639226974357874853
39 ms 156.21.20.20
3 2026-08-19 00:35 639226964670484721
8 ms 156.21.20.20
2 2026-08-19 00:19 639226954857899696
2023 ms 156.21.20.20
1 2026-08-19 00:02 639226945091603488
2037 ms 156.21.20.20