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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 77 successful responses, 1 failed responses, and 197 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

78

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:16

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

77

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 2026-08-09 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
78 2026-08-09 23:16 639219137912168440
34 ms 51.77.15.234
77 2026-08-09 23:01 639219129014206359
49 ms 51.77.15.234
76 2026-08-09 22:47 639219120129816185
219 ms 51.77.15.234
75 2026-08-09 22:32 639219111180200055
19 ms 51.77.15.234
74 2026-08-09 22:17 639219102397272208
16 ms 51.77.15.234
73 2026-08-09 22:02 639219093318422880
50 ms 51.77.15.234
72 2026-08-09 21:47 639219084400315753
53 ms 51.77.15.234
71 2026-08-09 21:32 639219075254551587
177 ms 51.77.15.234
70 2026-08-09 21:16 639219065729192158
11 ms 51.77.15.234
69 2026-08-09 21:01 639219056747802098
2033 ms 51.77.15.234
68 2026-08-09 20:46 639219047713450952
6 ms 51.77.15.234
67 2026-08-09 20:31 639219038561445315
52 ms 51.77.15.234
66 2026-08-09 19:39 639219007390383771
15 ms 51.77.15.234
65 2026-08-09 19:24 639218998523265596
10 ms 51.77.15.234
64 2026-08-09 19:09 639218989631630804
48 ms 51.77.15.234
63 2026-08-09 18:55 639218980808450892
153 ms 51.77.15.234
62 2026-08-09 18:40 639218971852160604
249 ms 51.77.15.234
61 2026-08-09 18:25 639218962783650906
102 ms 51.77.15.234
60 2026-08-09 18:10 639218953792820819
2049 ms 51.77.15.234
59 2026-08-09 17:55 639218944959692876
232 ms 51.77.15.234
58 2026-08-09 17:40 639218936169104506
43 ms 51.77.15.234
57 2026-08-09 17:25 639218927166062556
40 ms 51.77.15.234
56 2026-08-09 17:10 639218918015715420
78 ms 51.77.15.234
55 2026-08-09 16:55 639218908881852638
49 ms 51.77.15.234
54 2026-08-09 16:04 639218877956262035
9 ms 51.77.15.234
53 2026-08-09 15:50 639218869143729797
170 ms 51.77.15.234
52 2026-08-09 15:35 639218860485298832
36 ms 51.77.15.234
51 2026-08-09 15:21 639218851607906747
42 ms 51.77.15.234
50 2026-08-09 15:06 639218842720839568
42 ms 51.77.15.234
49 2026-08-09 14:51 639218833878788864
41 ms 51.77.15.234
48 2026-08-09 14:36 639218825180862573
42 ms 51.77.15.234
47 2026-08-09 14:22 639218816469621951
3 ms 51.77.15.234
46 2026-08-09 14:07 639218807685036212
16 ms 51.77.15.234
45 2026-08-09 13:53 639218798978271509
97 ms 51.77.15.234
44 2026-08-09 13:38 639218790065423597
57 ms 51.77.15.234
43 2026-08-09 13:23 639218781304584862
9 ms 51.77.15.234
42 2026-08-09 12:33 639218750311179000
5 ms 51.77.15.234
41 2026-08-09 12:19 639218741750420268
164 ms 51.77.15.234
40 2026-08-09 12:04 639218733057535576
22 ms 51.77.15.234
39 2026-08-09 11:50 639218724471329044
37 ms 51.77.15.234
38 2026-08-09 11:36 639218715911974203
57 ms 51.77.15.234
37 2026-08-09 11:21 639218707310812834
8 ms 51.77.15.234
36 2026-08-09 11:07 639218698790485612
162 ms 51.77.15.234
35 2026-08-09 10:53 639218690367692706
254 ms 51.77.15.234
34 2026-08-09 10:39 639218681923173883
40 ms 51.77.15.234
33 2026-08-09 10:25 639218673547179738
45 ms 51.77.15.234
32 2026-08-09 10:10 639218664890274867
34 ms 51.77.15.234
31 2026-08-09 09:56 639218656036928157
38 ms 51.77.15.234
30 2026-08-09 09:02 639218624808018222
36 ms 51.77.15.234
29 2026-08-09 08:48 639218616243340806
16 ms 51.77.15.234
28 2026-08-09 08:33 639218607397811973
50 ms 51.77.15.234
27 2026-08-09 08:19 639218598812444454
25 ms 51.77.15.234
26 2026-08-09 08:04 639218590219570048
327 ms 51.77.15.234
25 2026-08-09 07:50 639218581690210758
37 ms 51.77.15.234
24 2026-08-09 07:36 639218573057388822
182 ms 51.77.15.234
23 2026-08-09 07:21 639218564408781785
24 ms 51.77.15.234
22 2026-08-09 07:07 639218555767188482
39 ms 51.77.15.234
21 2026-08-09 06:52 639218547142705295
-
20 2026-08-09 06:38 639218538090114532
112 ms 51.77.15.234
19 2026-08-09 06:22 639218529257910584
50 ms 51.77.15.234
18 2026-08-09 05:30 639218498473231858
12 ms 51.77.15.234
17 2026-08-09 05:16 639218489802113995
42 ms 51.77.15.234
16 2026-08-09 05:01 639218481006804516
2027 ms 51.77.15.234
15 2026-08-09 04:46 639218472048712427
42 ms 51.77.15.234
14 2026-08-09 04:32 639218463224432974
59 ms 51.77.15.234
13 2026-08-09 04:17 639218454384107526
2052 ms 51.77.15.234
12 2026-08-09 04:02 639218445331231791
43 ms 51.77.15.234
11 2026-08-09 03:47 639218436285215733
2020 ms 51.77.15.234
10 2026-08-09 03:32 639218427289555123
7 ms 51.77.15.234
9 2026-08-09 03:17 639218418227819981
30 ms 51.77.15.234
8 2026-08-09 03:01 639218409119503123
19 ms 51.77.15.234
7 2026-08-09 02:46 639218399771712154
27 ms 51.77.15.234
6 2026-08-09 01:56 639218368648652303
43 ms 51.77.15.234
5 2026-08-09 01:41 639218359569598460
42 ms 51.77.15.234
4 2026-08-09 01:25 639218350555429902
183 ms 51.77.15.234
3 2026-08-09 01:10 639218341311543299
57 ms 51.77.15.234
2 2026-08-09 00:18 639218309981981465
16 ms 51.77.15.234
1 2026-08-09 00:03 639218300987184335
302 ms 51.77.15.234