DNS response history for ns.csb.utoronto.ca

ns.csb.utoronto.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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 325 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 ns.csb.utoronto.ca.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

325 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:53

All timestamps shown in UTC

Latest Resolved IP on Selected Date

142.150.218.255

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 ns.csb.utoronto.ca

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
75 2026-08-23 23:53 639231254406598736
330 ms 142.150.218.255
74 2026-08-23 23:37 639231244697865594
117 ms 142.150.218.255
73 2026-08-23 23:20 639231234893504693
2127 ms 142.150.218.255
72 2026-08-23 23:04 639231225024549139
191 ms 142.150.218.255
71 2026-08-23 22:47 639231214931957622
112 ms 142.150.218.255
70 2026-08-23 22:31 639231204962010549
47 ms 142.150.218.255
69 2026-08-23 22:14 639231195170138463
7 ms 142.150.218.255
68 2026-08-23 21:58 639231185235020577
117 ms 142.150.218.255
67 2026-08-23 21:41 639231175558690075
13 ms 142.150.218.255
66 2026-08-23 21:25 639231165610444012
9 ms 142.150.218.255
65 2026-08-23 20:32 639231133806425363
133 ms 142.150.218.255
64 2026-08-23 20:16 639231124203758023
121 ms 142.150.218.255
63 2026-08-23 20:00 639231114428262706
4 ms 142.150.218.255
62 2026-08-23 19:43 639231104662480065
4 ms 142.150.218.255
61 2026-08-23 19:27 639231094840372018
110 ms 142.150.218.255
60 2026-08-23 19:11 639231085024583224
8 ms 142.150.218.255
59 2026-08-23 18:54 639231075257417427
8 ms 142.150.218.255
58 2026-08-23 18:38 639231065516009503
95 ms 142.150.218.255
57 2026-08-23 18:22 639231055805348837
5 ms 142.150.218.255
56 2026-08-23 18:06 639231045980373765
4008 ms 142.150.218.255
55 2026-08-23 17:49 639231035984577527
118 ms 142.150.218.255
54 2026-08-23 17:32 639231025928115303
2104 ms 142.150.218.255
53 2026-08-23 16:39 639230994250157583
4 ms 142.150.218.255
52 2026-08-23 16:23 639230984476411369
3 ms 142.150.218.255
51 2026-08-23 16:07 639230974838373450
7 ms 142.150.218.255
50 2026-08-23 15:51 639230965244277645
7 ms 142.150.218.255
49 2026-08-23 15:35 639230955522101820
117 ms 142.150.218.255
48 2026-08-23 15:19 639230945754521603
103 ms 142.150.218.255
47 2026-08-23 15:02 639230935852040504
111 ms 142.150.218.255
46 2026-08-23 14:46 639230926222061048
118 ms 142.150.218.255
45 2026-08-23 14:30 639230916449726907
120 ms 142.150.218.255
44 2026-08-23 14:13 639230906595053086
197 ms 142.150.218.255
43 2026-08-23 13:57 639230896680429441
5 ms 142.150.218.255
42 2026-08-23 13:40 639230886630210965
132 ms 142.150.218.255
41 2026-08-23 12:48 639230855430405719
4 ms 142.150.218.255
40 2026-08-23 12:32 639230845707499136
109 ms 142.150.218.255
39 2026-08-23 12:16 639230836186805419
322 ms 142.150.218.255
38 2026-08-23 12:00 639230826493828316
2008 ms 142.150.218.255
37 2026-08-23 11:43 639230816817882996
110 ms 142.150.218.255
36 2026-08-23 11:27 639230806933854189
28 ms 142.150.218.255
35 2026-08-23 11:11 639230797120243854
3 ms 142.150.218.255
34 2026-08-23 10:55 639230787310272840
188 ms 142.150.218.255
33 2026-08-23 10:38 639230777600173142
20 ms 142.150.218.255
32 2026-08-23 10:22 639230767665024593
9 ms 142.150.218.255
31 2026-08-23 10:05 639230757720962293
29 ms 142.150.218.255
30 2026-08-23 09:48 639230747722189784
2145 ms 142.150.218.255
29 2026-08-23 08:56 639230716313923480
93 ms 142.150.218.255
28 2026-08-23 08:40 639230706813835990
116 ms 142.150.218.255
27 2026-08-23 08:24 639230696871062203
138 ms 142.150.218.255
26 2026-08-23 08:07 639230687142781616
121 ms 142.150.218.255
25 2026-08-23 07:51 639230677432142227
114 ms 142.150.218.255
24 2026-08-23 07:35 639230667686258061
151 ms 142.150.218.255
23 2026-08-23 07:19 639230658039243685
2013 ms 142.150.218.255
22 2026-08-23 07:03 639230648468473803
114 ms 142.150.218.255
21 2026-08-23 06:47 639230638829658294
12 ms 142.150.218.255
20 2026-08-23 06:31 639230629247017617
-
19 2026-08-23 06:15 639230619625318239
117 ms 142.150.218.255
18 2026-08-23 05:58 639230609697630264
8 ms 142.150.218.255
17 2026-08-23 05:06 639230578570131864
128 ms 142.150.218.255
16 2026-08-23 04:50 639230568958963168
2 ms 142.150.218.255
15 2026-08-23 04:34 639230559287611211
15 ms 142.150.218.255
14 2026-08-23 04:18 639230549524312030
115 ms 142.150.218.255
13 2026-08-23 04:02 639230539739801669
110 ms 142.150.218.255
12 2026-08-23 03:46 639230530084069375
119 ms 142.150.218.255
11 2026-08-23 03:29 639230520362691441
2120 ms 142.150.218.255
10 2026-08-23 03:13 639230510677194518
117 ms 142.150.218.255
9 2026-08-23 02:57 639230501156002646
11 ms 142.150.218.255
8 2026-08-23 02:41 639230491502198541
121 ms 142.150.218.255
7 2026-08-23 02:25 639230481860318494
109 ms 142.150.218.255
6 2026-08-23 02:09 639230471893008575
9 ms 142.150.218.255
5 2026-08-23 01:16 639230440030877421
106 ms 142.150.218.255
4 2026-08-23 01:00 639230430479725508
12 ms 142.150.218.255
3 2026-08-23 00:44 639230420875160219
115 ms 142.150.218.255
2 2026-08-23 00:28 639230411240692575
2009 ms 142.150.218.255
1 2026-08-23 00:11 639230401550806607
162 ms 142.150.218.255