DNS response history for ns1.opensdncore.org

ns1.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 2026-08-24. For this date, NameServerHistory found 56 DNS check records, 55 successful responses, 1 failed responses, and 148 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 ns1.opensdncore.org.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

148 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 23:49

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

55

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 ns1.opensdncore.org

Showing DNS history for 2026-08-24 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
56 2026-08-24 23:49 639232119551972438
26 ms 51.77.15.234
55 2026-08-24 23:31 639232109112567473
36 ms 51.77.15.234
54 2026-08-24 22:38 639232077430823987
54 ms 51.77.15.234
53 2026-08-24 22:22 639232067340513033
-
52 2026-08-24 22:05 639232057157944387
47 ms 51.77.15.234
51 2026-08-24 21:48 639232046895282144
29 ms 51.77.15.234
50 2026-08-24 20:53 639232014356623395
44 ms 51.77.15.234
49 2026-08-24 20:36 639232004177831322
60 ms 51.77.15.234
48 2026-08-24 20:19 639231993997863976
68 ms 51.77.15.234
47 2026-08-24 20:03 639231983967363696
2041 ms 51.77.15.234
46 2026-08-24 19:10 639231952257842845
40 ms 51.77.15.234
45 2026-08-24 18:53 639231942277816756
17 ms 51.77.15.234
44 2026-08-24 18:36 639231932094180724
17 ms 51.77.15.234
43 2026-08-24 18:19 639231922041034838
44 ms 51.77.15.234
42 2026-08-24 17:27 639231890488117536
4 ms 51.77.15.234
41 2026-08-24 17:10 639231880574255543
59 ms 51.77.15.234
40 2026-08-24 16:53 639231870418029045
41 ms 51.77.15.234
39 2026-08-24 16:37 639231860258429562
3 ms 51.77.15.234
38 2026-08-24 15:43 639231828211839931
4 ms 51.77.15.234
37 2026-08-24 15:26 639231818080917481
66 ms 51.77.15.234
36 2026-08-24 15:09 639231807961539652
17 ms 51.77.15.234
35 2026-08-24 14:52 639231797631669865
57 ms 51.77.15.234
34 2026-08-24 13:59 639231765923559455
2049 ms 51.77.15.234
33 2026-08-24 13:42 639231755868832964
23 ms 51.77.15.234
32 2026-08-24 13:26 639231745628278877
11 ms 51.77.15.234
31 2026-08-24 13:08 639231735407682062
59 ms 51.77.15.234
30 2026-08-24 12:16 639231703815441688
17 ms 51.77.15.234
29 2026-08-24 11:59 639231693747052549
59 ms 51.77.15.234
28 2026-08-24 11:42 639231683712487276
56 ms 51.77.15.234
27 2026-08-24 11:25 639231673513573868
49 ms 51.77.15.234
26 2026-08-24 10:32 639231641791249939
37 ms 51.77.15.234
25 2026-08-24 10:16 639231631866211033
85 ms 51.77.15.234
24 2026-08-24 09:59 639231621644955316
45 ms 51.77.15.234
23 2026-08-24 09:42 639231611478799259
54 ms 51.77.15.234
22 2026-08-24 08:49 639231579923718211
3 ms 51.77.15.234
21 2026-08-24 08:32 639231569810702936
32 ms 51.77.15.234
20 2026-08-24 08:16 639231559762411619
87 ms 51.77.15.234
19 2026-08-24 07:59 639231549663595407
63 ms 51.77.15.234
18 2026-08-24 07:06 639231518076817246
78 ms 51.77.15.234
17 2026-08-24 06:50 639231508078650885
49 ms 51.77.15.234
16 2026-08-24 06:33 639231498210697093
51 ms 51.77.15.234
15 2026-08-24 06:16 639231488109699360
43 ms 51.77.15.234
14 2026-08-24 05:24 639231456772510692
107 ms 51.77.15.234
13 2026-08-24 05:08 639231447084631185
43 ms 51.77.15.234
12 2026-08-24 04:51 639231437208519473
4 ms 51.77.15.234
11 2026-08-24 04:35 639231427209627490
44 ms 51.77.15.234
10 2026-08-24 03:42 639231395791246644
23 ms 51.77.15.234
9 2026-08-24 03:26 639231386075551458
2029 ms 51.77.15.234
8 2026-08-24 03:10 639231376208713791
3 ms 51.77.15.234
7 2026-08-24 02:53 639231366170589276
49 ms 51.77.15.234
6 2026-08-24 02:01 639231334732159368
10 ms 51.77.15.234
5 2026-08-24 01:45 639231325035670078
18 ms 51.77.15.234
4 2026-08-24 01:28 639231315132253837
3 ms 51.77.15.234
3 2026-08-24 01:11 639231305014280808
4 ms 51.77.15.234
2 2026-08-24 00:19 639231273779380675
37 ms 51.77.15.234
1 2026-08-24 00:03 639231264180839154
41 ms 51.77.15.234