DNS response history for dns4.unb.ca

dns4.unb.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 2026-08-26. For this date, NameServerHistory found 45 DNS check records, 44 successful responses, 1 failed responses, and 177 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 dns4.unb.ca.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

177 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

138.119.1.253

Most recently resolved hosting IP on selected date

Successful Responses

44

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns4.unb.ca

Showing DNS history for 2026-08-26 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
45 2026-08-26 14:45 639233517966053117
10 ms 138.119.1.253
44 2026-08-26 14:27 639233507603253585
19 ms 138.119.1.253
43 2026-08-26 14:10 639233497229039167
141 ms 138.119.1.253
42 2026-08-26 13:53 639233486864546406
25 ms 138.119.1.253
41 2026-08-26 13:36 639233476455174682
11 ms 138.119.1.253
40 2026-08-26 13:18 639233466171592605
10 ms 138.119.1.253
39 2026-08-26 13:01 639233455747096265
16 ms 138.119.1.253
38 2026-08-26 12:44 639233445367152284
-
37 2026-08-26 12:26 639233434974187439
17 ms 138.119.1.253
36 2026-08-26 12:09 639233424567558554
17 ms 138.119.1.253
35 2026-08-26 11:52 639233414056832719
11 ms 138.119.1.253
34 2026-08-26 11:34 639233403515141099
16 ms 138.119.1.253
33 2026-08-26 10:39 639233370841350248
634 ms 138.119.1.253
32 2026-08-26 10:22 639233360361507238
421 ms 138.119.1.253
31 2026-08-26 10:05 639233350067824371
1659 ms 138.119.1.253
30 2026-08-26 09:48 639233339545274518
10 ms 138.119.1.253
29 2026-08-26 09:30 639233329214918079
11 ms 138.119.1.253
28 2026-08-26 09:13 639233318749762337
11 ms 138.119.1.253
27 2026-08-26 08:56 639233308387917838
10 ms 138.119.1.253
26 2026-08-26 08:38 639233297961740122
33 ms 138.119.1.253
25 2026-08-26 08:21 639233287487159094
31 ms 138.119.1.253
24 2026-08-26 08:03 639233276995531707
9 ms 138.119.1.253
23 2026-08-26 07:46 639233266521568229
20 ms 138.119.1.253
22 2026-08-26 07:28 639233256081047431
10 ms 138.119.1.253
21 2026-08-26 06:34 639233223620132921
22 ms 138.119.1.253
20 2026-08-26 06:17 639233213287814244
23 ms 138.119.1.253
19 2026-08-26 06:00 639233202925983161
412 ms 138.119.1.253
18 2026-08-26 05:42 639233192644780696
11 ms 138.119.1.253
17 2026-08-26 05:25 639233182401183833
19 ms 138.119.1.253
16 2026-08-26 05:08 639233172074181051
11 ms 138.119.1.253
15 2026-08-26 04:51 639233161808421455
9 ms 138.119.1.253
14 2026-08-26 04:34 639233151357344052
10 ms 138.119.1.253
13 2026-08-26 04:16 639233141034116946
46 ms 138.119.1.253
12 2026-08-26 03:59 639233130828334142
57 ms 138.119.1.253
11 2026-08-26 03:42 639233120373450007
13 ms 138.119.1.253
10 2026-08-26 03:25 639233110066216193
14 ms 138.119.1.253
9 2026-08-26 02:32 639233078065410564
2011 ms 138.119.1.253
8 2026-08-26 02:14 639233067787457832
8 ms 138.119.1.253
7 2026-08-26 01:57 639233057501801162
13 ms 138.119.1.253
6 2026-08-26 01:40 639233047089431703
9 ms 138.119.1.253
5 2026-08-26 01:23 639233036754790688
14 ms 138.119.1.253
4 2026-08-26 01:06 639233026412602472
26 ms 138.119.1.253
3 2026-08-26 00:48 639233016064066127
179 ms 138.119.1.253
2 2026-08-26 00:31 639233005922655772
1702 ms 138.119.1.253
1 2026-08-26 00:14 639232995672256907
9 ms 138.119.1.253