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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 70 successful responses, 2 failed responses, and 302 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

72

Historical checks stored for this nameserver on selected date

Average Latency

302 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-13 23:59

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

70

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 ns2.opensdncore.org

Showing DNS history for 2026-08-13 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
72 2026-08-13 23:59 639222618462620588
36 ms 51.77.15.234
71 2026-08-13 23:43 639222608688333012
181 ms 51.77.15.234
70 2026-08-13 23:26 639222598741756356
42 ms 51.77.15.234
69 2026-08-13 23:09 639222588615244093
41 ms 51.77.15.234
68 2026-08-13 22:16 639222556495289724
38 ms 51.77.15.234
67 2026-08-13 21:59 639222546477917698
7 ms 51.77.15.234
66 2026-08-13 21:42 639222536257653790
20 ms 51.77.15.234
65 2026-08-13 21:25 639222525833084485
36 ms 51.77.15.234
64 2026-08-13 21:07 639222515446085004
42 ms 51.77.15.234
63 2026-08-13 20:50 639222505166766781
38 ms 51.77.15.234
62 2026-08-13 20:33 639222494930541001
38 ms 51.77.15.234
61 2026-08-13 20:16 639222484469216890
41 ms 51.77.15.234
60 2026-08-13 19:59 639222474270039940
23 ms 51.77.15.234
59 2026-08-13 19:42 639222464005587385
20 ms 51.77.15.234
58 2026-08-13 19:24 639222453485975041
2054 ms 51.77.15.234
57 2026-08-13 19:06 639222442984828770
2061 ms 51.77.15.234
56 2026-08-13 18:10 639222410191353397
44 ms 51.77.15.234
55 2026-08-13 17:53 639222399952628376
7 ms 51.77.15.234
54 2026-08-13 17:36 639222389608608647
53 ms 51.77.15.234
53 2026-08-13 17:19 639222379604012481
17 ms 51.77.15.234
52 2026-08-13 17:02 639222369372672858
-
51 2026-08-13 16:45 639222359096909298
30 ms 51.77.15.234
50 2026-08-13 16:28 639222348814301655
43 ms 51.77.15.234
49 2026-08-13 16:11 639222338608331104
41 ms 51.77.15.234
48 2026-08-13 15:54 639222328204609760
2030 ms 51.77.15.234
47 2026-08-13 15:37 639222317859759909
2062 ms 51.77.15.234
46 2026-08-13 15:19 639222307560137918
16 ms 51.77.15.234
45 2026-08-13 15:02 639222297274357149
69 ms 51.77.15.234
44 2026-08-13 14:09 639222265004477827
42 ms 51.77.15.234
43 2026-08-13 13:53 639222255176583683
7 ms 51.77.15.234
42 2026-08-13 13:36 639222245340146131
43 ms 51.77.15.234
41 2026-08-13 13:20 639222235662219956
3 ms 51.77.15.234
40 2026-08-13 13:04 639222225817223284
40 ms 51.77.15.234
39 2026-08-13 12:48 639222216341869648
36 ms 51.77.15.234
38 2026-08-13 12:32 639222206848442189
5 ms 51.77.15.234
37 2026-08-13 12:17 639222197538963225
39 ms 51.77.15.234
36 2026-08-13 12:01 639222188113685569
43 ms 51.77.15.234
35 2026-08-13 11:45 639222178880138458
4 ms 51.77.15.234
34 2026-08-13 11:30 639222169343013317
20 ms 51.77.15.234
33 2026-08-13 11:14 639222159910600596
42 ms 51.77.15.234
32 2026-08-13 10:21 639222128676274866
43 ms 51.77.15.234
31 2026-08-13 10:06 639222119169781983
54 ms 51.77.15.234
30 2026-08-13 09:50 639222109996148889
54 ms 51.77.15.234
29 2026-08-13 09:35 639222100791323799
206 ms 51.77.15.234
28 2026-08-13 09:20 639222091647893142
2051 ms 51.77.15.234
27 2026-08-13 09:05 639222082524717649
2135 ms 51.77.15.234
26 2026-08-13 08:49 639222073378630456
21 ms 51.77.15.234
25 2026-08-13 08:34 639222064537306701
2009 ms 51.77.15.234
24 2026-08-13 08:19 639222055409471864
42 ms 51.77.15.234
23 2026-08-13 08:04 639222046117152411
38 ms 51.77.15.234
22 2026-08-13 07:49 639222036915107067
45 ms 51.77.15.234
21 2026-08-13 07:33 639222027654889141
45 ms 51.77.15.234
20 2026-08-13 06:41 639221996824612035
3 ms 51.77.15.234
19 2026-08-13 06:26 639221987863418113
60 ms 51.77.15.234
18 2026-08-13 06:11 639221979006823112
39 ms 51.77.15.234
17 2026-08-13 05:56 639221970068466615
3 ms 51.77.15.234
16 2026-08-13 05:41 639221961001585139
49 ms 51.77.15.234
15 2026-08-13 05:26 639221952104046397
4 ms 51.77.15.234
14 2026-08-13 05:11 639221943247694484
26 ms 51.77.15.234
13 2026-08-13 04:57 639221934603388241
2027 ms 51.77.15.234
12 2026-08-13 04:42 639221925729273358
38 ms 51.77.15.234
11 2026-08-13 04:27 639221916777813401
-
10 2026-08-13 04:12 639221907816913910
25 ms 51.77.15.234
9 2026-08-13 03:57 639221898639694322
29 ms 51.77.15.234
8 2026-08-13 03:06 639221868257567489
113 ms 51.77.15.234
7 2026-08-13 02:51 639221859270235608
16 ms 51.77.15.234
6 2026-08-13 02:36 639221850184464515
41 ms 51.77.15.234
5 2026-08-13 02:21 639221841141973425
174 ms 51.77.15.234
4 2026-08-13 01:30 639221810548753083
19 ms 51.77.15.234
3 2026-08-13 01:15 639221801656796262
64 ms 51.77.15.234
2 2026-08-13 01:00 639221792658715334
2162 ms 51.77.15.234
1 2026-08-13 00:45 639221783571379176
45 ms 51.77.15.234