DNS response history for ns2.opensdncore.org

ns2.opensdncore.org 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, 73 successful responses, 0 failed responses, and 208 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 ns2.opensdncore.org.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

208 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.77.15.234

Most recently resolved hosting IP on selected date

Successful Responses

73

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.opensdncore.org

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 23:52 639229527598660841
7 ms 51.77.15.234
72 2026-08-21 23:36 639229517954323214
53 ms 51.77.15.234
71 2026-08-21 23:20 639229508269999021
44 ms 51.77.15.234
70 2026-08-21 23:04 639229498559060171
96 ms 51.77.15.234
69 2026-08-21 22:47 639229488519347586
50 ms 51.77.15.234
68 2026-08-21 21:54 639229456606578934
17 ms 51.77.15.234
67 2026-08-21 21:38 639229446985772499
41 ms 51.77.15.234
66 2026-08-21 21:22 639229437367313098
51 ms 51.77.15.234
65 2026-08-21 21:06 639229427923950391
46 ms 51.77.15.234
64 2026-08-21 20:50 639229418168588854
50 ms 51.77.15.234
63 2026-08-21 20:34 639229408345678334
2204 ms 51.77.15.234
62 2026-08-21 20:17 639229398616354648
57 ms 51.77.15.234
61 2026-08-21 20:01 639229388634592323
31 ms 51.77.15.234
60 2026-08-21 19:45 639229378792837692
43 ms 51.77.15.234
59 2026-08-21 19:28 639229369154682311
4 ms 51.77.15.234
58 2026-08-21 19:12 639229359248017926
5 ms 51.77.15.234
57 2026-08-21 18:55 639229349124294642
2189 ms 51.77.15.234
56 2026-08-21 18:03 639229317791715692
51 ms 51.77.15.234
55 2026-08-21 17:47 639229308115194575
53 ms 51.77.15.234
54 2026-08-21 17:30 639229298320320558
43 ms 51.77.15.234
53 2026-08-21 17:14 639229288674863221
4 ms 51.77.15.234
52 2026-08-21 16:58 639229278983677079
7 ms 51.77.15.234
51 2026-08-21 16:42 639229269405517175
2053 ms 51.77.15.234
50 2026-08-21 16:26 639229259594798244
13 ms 51.77.15.234
49 2026-08-21 16:09 639229249736681188
25 ms 51.77.15.234
48 2026-08-21 15:53 639229239699417787
10 ms 51.77.15.234
47 2026-08-21 15:36 639229229621964033
39 ms 51.77.15.234
46 2026-08-21 15:19 639229219567270965
8 ms 51.77.15.234
45 2026-08-21 15:02 639229209406666856
46 ms 51.77.15.234
44 2026-08-21 14:09 639229177815876178
3 ms 51.77.15.234
43 2026-08-21 13:53 639229168243572685
29 ms 51.77.15.234
42 2026-08-21 13:37 639229158599856475
62 ms 51.77.15.234
41 2026-08-21 13:21 639229148998940902
34 ms 51.77.15.234
40 2026-08-21 13:05 639229139276923594
5 ms 51.77.15.234
39 2026-08-21 12:49 639229129709912394
38 ms 51.77.15.234
38 2026-08-21 12:33 639229119801488500
193 ms 51.77.15.234
37 2026-08-21 12:17 639229110135262458
115 ms 51.77.15.234
36 2026-08-21 12:00 639229100336051392
25 ms 51.77.15.234
35 2026-08-21 11:44 639229090641415626
48 ms 51.77.15.234
34 2026-08-21 11:28 639229080702683947
7 ms 51.77.15.234
33 2026-08-21 11:11 639229070601456699
40 ms 51.77.15.234
32 2026-08-21 10:18 639229038947447232
45 ms 51.77.15.234
31 2026-08-21 10:02 639229029268708773
46 ms 51.77.15.234
30 2026-08-21 09:46 639229019647910603
2030 ms 51.77.15.234
29 2026-08-21 09:30 639229009983843738
16 ms 51.77.15.234
28 2026-08-21 09:14 639229000203331882
44 ms 51.77.15.234
27 2026-08-21 08:57 639228990302335999
46 ms 51.77.15.234
26 2026-08-21 08:41 639228980567740722
17 ms 51.77.15.234
25 2026-08-21 08:24 639228970762445174
29 ms 51.77.15.234
24 2026-08-21 08:08 639228961065054445
97 ms 51.77.15.234
23 2026-08-21 07:52 639228951224649885
52 ms 51.77.15.234
22 2026-08-21 07:35 639228941303864592
24 ms 51.77.15.234
21 2026-08-21 07:18 639228931191328583
2046 ms 51.77.15.234
20 2026-08-21 06:26 639228899518173317
22 ms 51.77.15.234
19 2026-08-21 06:09 639228889785027669
4 ms 51.77.15.234
18 2026-08-21 05:53 639228880106330161
16 ms 51.77.15.234
17 2026-08-21 05:37 639228870316184091
2214 ms 51.77.15.234
16 2026-08-21 05:21 639228860695366512
44 ms 51.77.15.234
15 2026-08-21 05:05 639228851027209500
39 ms 51.77.15.234
14 2026-08-21 04:49 639228841479265462
23 ms 51.77.15.234
13 2026-08-21 04:33 639228831752962260
16 ms 51.77.15.234
12 2026-08-21 04:16 639228821953295483
16 ms 51.77.15.234
11 2026-08-21 04:00 639228812227429953
19 ms 51.77.15.234
10 2026-08-21 03:44 639228802476107538
70 ms 51.77.15.234
9 2026-08-21 03:27 639228792525492032
36 ms 51.77.15.234
8 2026-08-21 02:35 639228761131421385
18 ms 51.77.15.234
7 2026-08-21 02:19 639228751571206692
31 ms 51.77.15.234
6 2026-08-21 02:03 639228741705571019
38 ms 51.77.15.234
5 2026-08-21 01:46 639228731642208228
34 ms 51.77.15.234
4 2026-08-21 00:54 639228700387002072
27 ms 51.77.15.234
3 2026-08-21 00:38 639228690742014433
34 ms 51.77.15.234
2 2026-08-21 00:21 639228680877937122
37 ms 51.77.15.234
1 2026-08-21 00:04 639228670775860800
44 ms 51.77.15.234