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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 80 successful responses, 1 failed responses, and 320 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

81

Historical checks stored for this nameserver on selected date

Average Latency

320 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:45

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

80

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

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 2026-08-10 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
81 2026-08-10 23:45 639220018272941900
58 ms 51.77.15.234
80 2026-08-10 23:30 639220009109892969
135 ms 51.77.15.234
79 2026-08-10 23:15 639220000040489788
43 ms 51.77.15.234
78 2026-08-10 23:00 639219991197135747
7 ms 51.77.15.234
77 2026-08-10 22:45 639219982104540014
17 ms 51.77.15.234
76 2026-08-10 22:30 639219973150300215
47 ms 51.77.15.234
75 2026-08-10 22:15 639219964188486697
30 ms 51.77.15.234
74 2026-08-10 22:00 639219954995921784
2044 ms 51.77.15.234
73 2026-08-10 21:44 639219945559908104
41 ms 51.77.15.234
72 2026-08-10 20:50 639219914137782273
43 ms 51.77.15.234
71 2026-08-10 20:35 639219904858355064
38 ms 51.77.15.234
70 2026-08-10 20:20 639219895655263396
50 ms 51.77.15.234
69 2026-08-10 20:04 639219886527091074
37 ms 51.77.15.234
68 2026-08-10 19:49 639219877343266628
117 ms 51.77.15.234
67 2026-08-10 19:34 639219868177358195
46 ms 51.77.15.234
66 2026-08-10 19:19 639219859159581515
-
65 2026-08-10 19:04 639219850124020182
44 ms 51.77.15.234
64 2026-08-10 18:48 639219840940124840
44 ms 51.77.15.234
63 2026-08-10 18:33 639219831829876486
38 ms 51.77.15.234
62 2026-08-10 18:18 639219822587759143
20 ms 51.77.15.234
61 2026-08-10 18:02 639219813247114428
41 ms 51.77.15.234
60 2026-08-10 17:09 639219781959606396
41 ms 51.77.15.234
59 2026-08-10 16:54 639219772658305431
2043 ms 51.77.15.234
58 2026-08-10 16:39 639219763454523027
16 ms 51.77.15.234
57 2026-08-10 16:23 639219754279127815
2041 ms 51.77.15.234
56 2026-08-10 16:08 639219745087467767
30 ms 51.77.15.234
55 2026-08-10 15:53 639219735900678107
40 ms 51.77.15.234
54 2026-08-10 15:37 639219726531461979
45 ms 51.77.15.234
53 2026-08-10 15:22 639219717415222156
37 ms 51.77.15.234
52 2026-08-10 15:07 639219708266470863
32 ms 51.77.15.234
51 2026-08-10 14:51 639219699049479559
54 ms 51.77.15.234
50 2026-08-10 14:36 639219689775815194
37 ms 51.77.15.234
49 2026-08-10 14:20 639219680511810632
2041 ms 51.77.15.234
48 2026-08-10 13:27 639219648997191257
19 ms 51.77.15.234
47 2026-08-10 13:12 639219639938909436
43 ms 51.77.15.234
46 2026-08-10 12:57 639219630718286441
40 ms 51.77.15.234
45 2026-08-10 12:41 639219621472350410
64 ms 51.77.15.234
44 2026-08-10 12:26 639219612500421992
2025 ms 51.77.15.234
43 2026-08-10 12:11 639219603383833445
2052 ms 51.77.15.234
42 2026-08-10 11:55 639219594143823358
44 ms 51.77.15.234
41 2026-08-10 11:40 639219585053166024
45 ms 51.77.15.234
40 2026-08-10 11:25 639219575885776644
15 ms 51.77.15.234
39 2026-08-10 11:10 639219566844532361
2284 ms 51.77.15.234
38 2026-08-10 10:55 639219557705808294
22 ms 51.77.15.234
37 2026-08-10 10:39 639219548482688649
43 ms 51.77.15.234
36 2026-08-10 09:48 639219517492763539
41 ms 51.77.15.234
35 2026-08-10 09:34 639219508755773605
11 ms 51.77.15.234
34 2026-08-10 09:19 639219499852103863
33 ms 51.77.15.234
33 2026-08-10 09:04 639219490893714387
59 ms 51.77.15.234
32 2026-08-10 08:50 639219482299305521
19 ms 51.77.15.234
31 2026-08-10 08:35 639219473613114853
34 ms 51.77.15.234
30 2026-08-10 08:21 639219465061138643
4 ms 51.77.15.234
29 2026-08-10 08:07 639219456616129015
45 ms 51.77.15.234
28 2026-08-10 07:52 639219447974008557
82 ms 51.77.15.234
27 2026-08-10 07:38 639219439498255213
9 ms 51.77.15.234
26 2026-08-10 07:24 639219430664872256
2042 ms 51.77.15.234
25 2026-08-10 07:09 639219421757560037
45 ms 51.77.15.234
24 2026-08-10 06:17 639219390773218684
22 ms 51.77.15.234
23 2026-08-10 06:03 639219382205367722
27 ms 51.77.15.234
22 2026-08-10 05:49 639219373711937615
60 ms 51.77.15.234
21 2026-08-10 05:35 639219365088558404
3 ms 51.77.15.234
20 2026-08-10 05:20 639219356348833255
8 ms 51.77.15.234
19 2026-08-10 05:06 639219347860053478
16 ms 51.77.15.234
18 2026-08-10 04:52 639219339173195121
48 ms 51.77.15.234
17 2026-08-10 04:37 639219330642664669
105 ms 51.77.15.234
16 2026-08-10 04:23 639219322058698995
43 ms 51.77.15.234
15 2026-08-10 04:09 639219313564344199
33 ms 51.77.15.234
14 2026-08-10 03:54 639219304775113236
2023 ms 51.77.15.234
13 2026-08-10 03:39 639219295706181119
44 ms 51.77.15.234
12 2026-08-10 02:47 639219264663923254
310 ms 51.77.15.234
11 2026-08-10 02:33 639219256015178099
2030 ms 51.77.15.234
10 2026-08-10 02:18 639219247509540188
41 ms 51.77.15.234
9 2026-08-10 02:04 639219238999539092
37 ms 51.77.15.234
8 2026-08-10 01:50 639219230498823902
34 ms 51.77.15.234
7 2026-08-10 01:36 639219221706460911
2020 ms 51.77.15.234
6 2026-08-10 01:21 639219212930606887
44 ms 51.77.15.234
5 2026-08-10 01:06 639219204307908525
13 ms 51.77.15.234
4 2026-08-10 00:52 639219195720181470
23 ms 51.77.15.234
3 2026-08-10 00:37 639219186898174002
39 ms 51.77.15.234
2 2026-08-10 00:23 639219178004946976
30 ms 51.77.15.234
1 2026-08-10 00:08 639219168958805474
35 ms 51.77.15.234