DNS response history for dns-ns1.ucl.ac.uk

dns-ns1.ucl.ac.uk 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 50 DNS check records, 49 successful responses, 1 failed responses, and 113 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 dns-ns1.ucl.ac.uk.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

113 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:42

All timestamps shown in UTC

Latest Resolved IP on Selected Date

144.82.252.3

Most recently resolved hosting IP on selected date

Successful Responses

49

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 dns-ns1.ucl.ac.uk

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
50 2026-08-26 16:42 639233593269224651
79 ms 144.82.252.3
49 2026-08-26 16:25 639233582635086903
20 ms 144.82.252.3
48 2026-08-26 16:07 639233572000374575
24 ms 144.82.252.3
47 2026-08-26 15:49 639233561188633861
56 ms 144.82.252.3
46 2026-08-26 15:31 639233550544357027
33 ms 144.82.252.3
45 2026-08-26 14:37 639233517966053117
31 ms 144.82.252.3
44 2026-08-26 14:20 639233507603253585
35 ms 144.82.252.3
43 2026-08-26 14:02 639233497229039167
24 ms 144.82.252.3
42 2026-08-26 13:45 639233486864546406
32 ms 144.82.252.3
41 2026-08-26 13:28 639233476455174682
2027 ms 144.82.252.3
40 2026-08-26 13:11 639233466171592605
36 ms 144.82.252.3
39 2026-08-26 12:53 639233455747096265
41 ms 144.82.252.3
38 2026-08-26 12:36 639233445367152284
25 ms 144.82.252.3
37 2026-08-26 12:19 639233434974187439
25 ms 144.82.252.3
36 2026-08-26 12:01 639233424567558554
29 ms 144.82.252.3
35 2026-08-26 11:44 639233414056832719
25 ms 144.82.252.3
34 2026-08-26 11:26 639233403515141099
28 ms 144.82.252.3
33 2026-08-26 10:32 639233370841350248
27 ms 144.82.252.3
32 2026-08-26 10:14 639233360361507238
24 ms 144.82.252.3
31 2026-08-26 09:57 639233350067824371
31 ms 144.82.252.3
30 2026-08-26 09:40 639233339545274518
97 ms 144.82.252.3
29 2026-08-26 09:22 639233329214918079
11 ms 144.82.252.3
28 2026-08-26 09:05 639233318749762337
33 ms 144.82.252.3
27 2026-08-26 08:48 639233308387917838
31 ms 144.82.252.3
26 2026-08-26 08:30 639233297961740122
68 ms 144.82.252.3
25 2026-08-26 08:13 639233287487159094
40 ms 144.82.252.3
24 2026-08-26 07:55 639233276995531707
26 ms 144.82.252.3
23 2026-08-26 07:38 639233266521568229
26 ms 144.82.252.3
22 2026-08-26 07:21 639233256081047431
23 ms 144.82.252.3
21 2026-08-26 06:26 639233223620132921
11 ms 144.82.252.3
20 2026-08-26 06:09 639233213287814244
43 ms 144.82.252.3
19 2026-08-26 05:52 639233202925983161
45 ms 144.82.252.3
18 2026-08-26 05:35 639233192644780696
24 ms 144.82.252.3
17 2026-08-26 05:18 639233182401183833
25 ms 144.82.252.3
16 2026-08-26 05:00 639233172074181051
26 ms 144.82.252.3
15 2026-08-26 04:43 639233161808421455
27 ms 144.82.252.3
14 2026-08-26 04:26 639233151357344052
-
13 2026-08-26 04:09 639233141034116946
29 ms 144.82.252.3
12 2026-08-26 03:52 639233130828334142
33 ms 144.82.252.3
11 2026-08-26 03:34 639233120373450007
31 ms 144.82.252.3
10 2026-08-26 03:17 639233110066216193
26 ms 144.82.252.3
9 2026-08-26 02:24 639233078065410564
23 ms 144.82.252.3
8 2026-08-26 02:07 639233067787457832
23 ms 144.82.252.3
7 2026-08-26 01:50 639233057501801162
34 ms 144.82.252.3
6 2026-08-26 01:32 639233047089431703
24 ms 144.82.252.3
5 2026-08-26 01:15 639233036754790688
35 ms 144.82.252.3
4 2026-08-26 00:58 639233026412602472
2011 ms 144.82.252.3
3 2026-08-26 00:40 639233016064066127
32 ms 144.82.252.3
2 2026-08-26 00:24 639233005922655772
24 ms 144.82.252.3
1 2026-08-26 00:06 639232995672256907
25 ms 144.82.252.3