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 2026-08-18. For this date, NameServerHistory found 75 DNS check records, 73 successful responses, 2 failed responses, and 281 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

75

Historical checks stored for this nameserver on selected date

Average Latency

281 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-18 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

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 2026-08-18 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
75 2026-08-18 23:52 639226935204800669
2145 ms 51.77.15.234
74 2026-08-18 23:35 639226925298919497
17 ms 51.77.15.234
73 2026-08-18 23:19 639226915487885053
2035 ms 51.77.15.234
72 2026-08-18 23:02 639226905465760034
44 ms 51.77.15.234
71 2026-08-18 22:45 639226895378104692
48 ms 51.77.15.234
70 2026-08-18 21:52 639226863374232622
20 ms 51.77.15.234
69 2026-08-18 21:36 639226853698516058
44 ms 51.77.15.234
68 2026-08-18 21:19 639226843797360601
27 ms 51.77.15.234
67 2026-08-18 21:03 639226834046588155
-
66 2026-08-18 20:47 639226824234488533
49 ms 51.77.15.234
65 2026-08-18 20:31 639226814549928621
32 ms 51.77.15.234
64 2026-08-18 20:14 639226804721432353
17 ms 51.77.15.234
63 2026-08-18 19:58 639226795048828184
44 ms 51.77.15.234
62 2026-08-18 19:42 639226785202482420
29 ms 51.77.15.234
61 2026-08-18 19:25 639226775309362607
46 ms 51.77.15.234
60 2026-08-18 19:08 639226765406586155
56 ms 51.77.15.234
59 2026-08-18 18:52 639226755437790519
159 ms 51.77.15.234
58 2026-08-18 17:59 639226723856194457
55 ms 51.77.15.234
57 2026-08-18 17:43 639226714050583422
109 ms 51.77.15.234
56 2026-08-18 17:27 639226704236499724
35 ms 51.77.15.234
55 2026-08-18 17:10 639226694184520163
157 ms 51.77.15.234
54 2026-08-18 16:53 639226684161203477
163 ms 51.77.15.234
53 2026-08-18 16:37 639226674305430109
32 ms 51.77.15.234
52 2026-08-18 16:20 639226664489607984
26 ms 51.77.15.234
51 2026-08-18 16:04 639226654533111667
29 ms 51.77.15.234
50 2026-08-18 15:48 639226644778594725
8 ms 51.77.15.234
49 2026-08-18 15:31 639226634901553621
44 ms 51.77.15.234
48 2026-08-18 15:14 639226624921864967
38 ms 51.77.15.234
47 2026-08-18 14:58 639226614939419403
174 ms 51.77.15.234
46 2026-08-18 14:05 639226583021074771
-
45 2026-08-18 13:48 639226573279933585
47 ms 51.77.15.234
44 2026-08-18 13:32 639226563494036301
38 ms 51.77.15.234
43 2026-08-18 13:16 639226553708216256
107 ms 51.77.15.234
42 2026-08-18 13:00 639226544003734815
48 ms 51.77.15.234
41 2026-08-18 12:43 639226534105733155
25 ms 51.77.15.234
40 2026-08-18 12:27 639226524298118898
2024 ms 51.77.15.234
39 2026-08-18 12:10 639226514525195335
503 ms 51.77.15.234
38 2026-08-18 11:54 639226504703635320
15 ms 51.77.15.234
37 2026-08-18 11:38 639226494737271720
37 ms 51.77.15.234
36 2026-08-18 11:21 639226485005027236
76 ms 51.77.15.234
35 2026-08-18 11:05 639226475133236105
52 ms 51.77.15.234
34 2026-08-18 10:11 639226442975077052
14 ms 51.77.15.234
33 2026-08-18 09:55 639226433317932039
118 ms 51.77.15.234
32 2026-08-18 09:39 639226423688431096
160 ms 51.77.15.234
31 2026-08-18 09:23 639226413998250045
35 ms 51.77.15.234
30 2026-08-18 09:07 639226404284554875
550 ms 51.77.15.234
29 2026-08-18 08:51 639226394637043309
28 ms 51.77.15.234
28 2026-08-18 08:34 639226385052447582
46 ms 51.77.15.234
27 2026-08-18 08:19 639226375506189603
83 ms 51.77.15.234
26 2026-08-18 08:02 639226365690646426
68 ms 51.77.15.234
25 2026-08-18 07:46 639226355771007701
109 ms 51.77.15.234
24 2026-08-18 07:29 639226345946269369
386 ms 51.77.15.234
23 2026-08-18 07:13 639226336241601848
174 ms 51.77.15.234
22 2026-08-18 06:21 639226304950675290
39 ms 51.77.15.234
21 2026-08-18 06:05 639226295324754616
82 ms 51.77.15.234
20 2026-08-18 05:49 639226285824640601
2026 ms 51.77.15.234
19 2026-08-18 05:33 639226276321223917
36 ms 51.77.15.234
18 2026-08-18 05:18 639226266800200046
26 ms 51.77.15.234
17 2026-08-18 05:01 639226256958066164
16 ms 51.77.15.234
16 2026-08-18 04:45 639226247432364597
35 ms 51.77.15.234
15 2026-08-18 04:29 639226237703388552
8 ms 51.77.15.234
14 2026-08-18 04:13 639226227937569589
67 ms 51.77.15.234
13 2026-08-18 03:57 639226218052465471
291 ms 51.77.15.234
12 2026-08-18 03:40 639226208429623997
54 ms 51.77.15.234
11 2026-08-18 03:24 639226198800675295
339 ms 51.77.15.234
10 2026-08-18 02:32 639226167722042574
2059 ms 51.77.15.234
9 2026-08-18 02:17 639226158277924383
52 ms 51.77.15.234
8 2026-08-18 02:01 639226148757810592
2008 ms 51.77.15.234
7 2026-08-18 01:45 639226139348611045
33 ms 51.77.15.234
6 2026-08-18 01:29 639226129823462907
16 ms 51.77.15.234
5 2026-08-18 01:13 639226120218260005
2551 ms 51.77.15.234
4 2026-08-18 00:58 639226110875503904
164 ms 51.77.15.234
3 2026-08-18 00:42 639226101376311912
97 ms 51.77.15.234
2 2026-08-18 00:26 639226091924943492
49 ms 51.77.15.234
1 2026-08-18 00:10 639226082133158124
45 ms 51.77.15.234