DNS response history for ca4.achost.ca

ca4.achost.ca 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 73 DNS check records, 72 successful responses, 1 failed responses, and 367 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 ca4.achost.ca.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

367 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

155.138.157.35

Most recently resolved hosting IP on selected date

Successful Responses

72

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 ca4.achost.ca

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
73 2026-08-21 23:53 639229527598660841
8 ms 155.138.157.35
72 2026-08-21 23:37 639229517954323214
9 ms 155.138.157.35
71 2026-08-21 23:21 639229508269999021
2002 ms 155.138.157.35
70 2026-08-21 23:04 639229498559060171
110 ms 155.138.157.35
69 2026-08-21 22:48 639229488519347586
220 ms 155.138.157.35
68 2026-08-21 21:54 639229456606578934
22 ms 155.138.157.35
67 2026-08-21 21:38 639229446985772499
15 ms 155.138.157.35
66 2026-08-21 21:22 639229437367313098
30 ms 155.138.157.35
65 2026-08-21 21:06 639229427923950391
15 ms 155.138.157.35
64 2026-08-21 20:50 639229418168588854
45 ms 155.138.157.35
63 2026-08-21 20:34 639229408345678334
136 ms 155.138.157.35
62 2026-08-21 20:18 639229398616354648
11 ms 155.138.157.35
61 2026-08-21 20:01 639229388634592323
264 ms 155.138.157.35
60 2026-08-21 19:45 639229378792837692
228 ms 155.138.157.35
59 2026-08-21 19:29 639229369154682311
14 ms 155.138.157.35
58 2026-08-21 19:12 639229359248017926
217 ms 155.138.157.35
57 2026-08-21 18:55 639229349124294642
2124 ms 155.138.157.35
56 2026-08-21 18:03 639229317791715692
109 ms 155.138.157.35
55 2026-08-21 17:47 639229308115194575
-
54 2026-08-21 17:31 639229298320320558
236 ms 155.138.157.35
53 2026-08-21 17:15 639229288674863221
22 ms 155.138.157.35
52 2026-08-21 16:58 639229278983677079
9 ms 155.138.157.35
51 2026-08-21 16:42 639229269405517175
4 ms 155.138.157.35
50 2026-08-21 16:26 639229259594798244
124 ms 155.138.157.35
49 2026-08-21 16:10 639229249736681188
2034 ms 155.138.157.35
48 2026-08-21 15:53 639229239699417787
13 ms 155.138.157.35
47 2026-08-21 15:36 639229229621964033
2115 ms 155.138.157.35
46 2026-08-21 15:19 639229219567270965
110 ms 155.138.157.35
45 2026-08-21 15:03 639229209406666856
12 ms 155.138.157.35
44 2026-08-21 14:10 639229177815876178
220 ms 155.138.157.35
43 2026-08-21 13:54 639229168243572685
107 ms 155.138.157.35
42 2026-08-21 13:38 639229158599856475
287 ms 155.138.157.35
41 2026-08-21 13:22 639229148998940902
168 ms 155.138.157.35
40 2026-08-21 13:06 639229139276923594
5 ms 155.138.157.35
39 2026-08-21 12:49 639229129709912394
179 ms 155.138.157.35
38 2026-08-21 12:33 639229119801488500
8 ms 155.138.157.35
37 2026-08-21 12:17 639229110135262458
228 ms 155.138.157.35
36 2026-08-21 12:01 639229100336051392
2010 ms 155.138.157.35
35 2026-08-21 11:44 639229090641415626
2008 ms 155.138.157.35
34 2026-08-21 11:28 639229080702683947
2018 ms 155.138.157.35
33 2026-08-21 11:11 639229070601456699
7 ms 155.138.157.35
32 2026-08-21 10:18 639229038947447232
5 ms 155.138.157.35
31 2026-08-21 10:02 639229029268708773
226 ms 155.138.157.35
30 2026-08-21 09:46 639229019647910603
130 ms 155.138.157.35
29 2026-08-21 09:30 639229009983843738
20 ms 155.138.157.35
28 2026-08-21 09:14 639229000203331882
2010 ms 155.138.157.35
27 2026-08-21 08:57 639228990302335999
2107 ms 155.138.157.35
26 2026-08-21 08:41 639228980567740722
42 ms 155.138.157.35
25 2026-08-21 08:25 639228970762445174
157 ms 155.138.157.35
24 2026-08-21 08:09 639228961065054445
163 ms 155.138.157.35
23 2026-08-21 07:52 639228951224649885
6 ms 155.138.157.35
22 2026-08-21 07:35 639228941303864592
29 ms 155.138.157.35
21 2026-08-21 07:19 639228931191328583
7 ms 155.138.157.35
20 2026-08-21 06:26 639228899518173317
4 ms 155.138.157.35
19 2026-08-21 06:10 639228889785027669
3 ms 155.138.157.35
18 2026-08-21 05:54 639228880106330161
229 ms 155.138.157.35
17 2026-08-21 05:37 639228870316184091
2118 ms 155.138.157.35
16 2026-08-21 05:21 639228860695366512
7 ms 155.138.157.35
15 2026-08-21 05:05 639228851027209500
9 ms 155.138.157.35
14 2026-08-21 04:49 639228841479265462
164 ms 155.138.157.35
13 2026-08-21 04:33 639228831752962260
7 ms 155.138.157.35
12 2026-08-21 04:17 639228821953295483
3 ms 155.138.157.35
11 2026-08-21 04:01 639228812227429953
5 ms 155.138.157.35
10 2026-08-21 03:44 639228802476107538
122 ms 155.138.157.35
9 2026-08-21 03:28 639228792525492032
226 ms 155.138.157.35
8 2026-08-21 02:35 639228761131421385
237 ms 155.138.157.35
7 2026-08-21 02:19 639228751571206692
9 ms 155.138.157.35
6 2026-08-21 02:03 639228741705571019
235 ms 155.138.157.35
5 2026-08-21 01:46 639228731642208228
127 ms 155.138.157.35
4 2026-08-21 00:54 639228700387002072
37 ms 155.138.157.35
3 2026-08-21 00:38 639228690742014433
236 ms 155.138.157.35
2 2026-08-21 00:21 639228680877937122
36 ms 155.138.157.35
1 2026-08-21 00:05 639228670775860800
218 ms 155.138.157.35