DNS response history for ext.upsaclay.net

ext.upsaclay.net 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, 71 successful responses, 2 failed responses, and 318 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 ext.upsaclay.net.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

318 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.75.134.210

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ext.upsaclay.net

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 23:48 639229527598660841
16 ms 51.75.134.210
72 2026-08-21 23:32 639229517954323214
3 ms 51.75.134.210
71 2026-08-21 23:16 639229508269999021
95 ms 51.75.134.210
70 2026-08-21 23:00 639229498559060171
29 ms 51.75.134.210
69 2026-08-21 22:43 639229488519347586
29 ms 51.75.134.210
68 2026-08-21 21:50 639229456606578934
35 ms 51.75.134.210
67 2026-08-21 21:34 639229446985772499
19 ms 51.75.134.210
66 2026-08-21 21:18 639229437367313098
42 ms 51.75.134.210
65 2026-08-21 21:02 639229427923950391
33 ms 51.75.134.210
64 2026-08-21 20:46 639229418168588854
16 ms 51.75.134.210
63 2026-08-21 20:29 639229408345678334
20 ms 51.75.134.210
62 2026-08-21 20:13 639229398616354648
33 ms 51.75.134.210
61 2026-08-21 19:57 639229388634592323
37 ms 51.75.134.210
60 2026-08-21 19:40 639229378792837692
2047 ms 51.75.134.210
59 2026-08-21 19:24 639229369154682311
2029 ms 51.75.134.210
58 2026-08-21 19:07 639229359248017926
2052 ms 51.75.134.210
57 2026-08-21 18:51 639229349124294642
-
56 2026-08-21 17:58 639229317791715692
2035 ms 51.75.134.210
55 2026-08-21 17:42 639229308115194575
56 ms 51.75.134.210
54 2026-08-21 17:26 639229298320320558
11 ms 51.75.134.210
53 2026-08-21 17:10 639229288674863221
19 ms 51.75.134.210
52 2026-08-21 16:54 639229278983677079
24 ms 51.75.134.210
51 2026-08-21 16:38 639229269405517175
30 ms 51.75.134.210
50 2026-08-21 16:21 639229259594798244
35 ms 51.75.134.210
49 2026-08-21 16:05 639229249736681188
20 ms 51.75.134.210
48 2026-08-21 15:48 639229239699417787
2048 ms 51.75.134.210
47 2026-08-21 15:32 639229229621964033
2020 ms 51.75.134.210
46 2026-08-21 15:15 639229219567270965
36 ms 51.75.134.210
45 2026-08-21 14:58 639229209406666856
15 ms 51.75.134.210
44 2026-08-21 14:05 639229177815876178
27 ms 51.75.134.210
43 2026-08-21 13:49 639229168243572685
45 ms 51.75.134.210
42 2026-08-21 13:33 639229158599856475
48 ms 51.75.134.210
41 2026-08-21 13:17 639229148998940902
31 ms 51.75.134.210
40 2026-08-21 13:01 639229139276923594
37 ms 51.75.134.210
39 2026-08-21 12:45 639229129709912394
34 ms 51.75.134.210
38 2026-08-21 12:28 639229119801488500
5 ms 51.75.134.210
37 2026-08-21 12:12 639229110135262458
23 ms 51.75.134.210
36 2026-08-21 11:56 639229100336051392
37 ms 51.75.134.210
35 2026-08-21 11:40 639229090641415626
7 ms 51.75.134.210
34 2026-08-21 11:23 639229080702683947
60 ms 51.75.134.210
33 2026-08-21 11:06 639229070601456699
19 ms 51.75.134.210
32 2026-08-21 10:14 639229038947447232
52 ms 51.75.134.210
31 2026-08-21 09:57 639229029268708773
2020 ms 51.75.134.210
30 2026-08-21 09:41 639229019647910603
36 ms 51.75.134.210
29 2026-08-21 09:25 639229009983843738
21 ms 51.75.134.210
28 2026-08-21 09:09 639229000203331882
40 ms 51.75.134.210
27 2026-08-21 08:53 639228990302335999
45 ms 51.75.134.210
26 2026-08-21 08:36 639228980567740722
35 ms 51.75.134.210
25 2026-08-21 08:20 639228970762445174
33 ms 51.75.134.210
24 2026-08-21 08:04 639228961065054445
30 ms 51.75.134.210
23 2026-08-21 07:48 639228951224649885
195 ms 51.75.134.210
22 2026-08-21 07:31 639228941303864592
38 ms 51.75.134.210
21 2026-08-21 07:14 639228931191328583
4019 ms 51.75.134.210
20 2026-08-21 06:21 639228899518173317
3 ms 51.75.134.210
19 2026-08-21 06:05 639228889785027669
34 ms 51.75.134.210
18 2026-08-21 05:49 639228880106330161
77 ms 51.75.134.210
17 2026-08-21 05:33 639228870316184091
49 ms 51.75.134.210
16 2026-08-21 05:17 639228860695366512
189 ms 51.75.134.210
15 2026-08-21 05:01 639228851027209500
5 ms 51.75.134.210
14 2026-08-21 04:45 639228841479265462
21 ms 51.75.134.210
13 2026-08-21 04:28 639228831752962260
27 ms 51.75.134.210
12 2026-08-21 04:12 639228821953295483
2050 ms 51.75.134.210
11 2026-08-21 03:56 639228812227429953
23 ms 51.75.134.210
10 2026-08-21 03:39 639228802476107538
44 ms 51.75.134.210
9 2026-08-21 03:23 639228792525492032
-
8 2026-08-21 02:31 639228761131421385
43 ms 51.75.134.210
7 2026-08-21 02:15 639228751571206692
9 ms 51.75.134.210
6 2026-08-21 01:58 639228741705571019
3 ms 51.75.134.210
5 2026-08-21 01:41 639228731642208228
38 ms 51.75.134.210
4 2026-08-21 00:49 639228700387002072
2 ms 51.75.134.210
3 2026-08-21 00:33 639228690742014433
45 ms 51.75.134.210
2 2026-08-21 00:17 639228680877937122
37 ms 51.75.134.210
1 2026-08-21 00:00 639228670775860800
59 ms 51.75.134.210