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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 172 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

77

Historical checks stored for this nameserver on selected date

Average Latency

172 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:56

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

0

Checks with no response or no returned latency

Failure Rate

0%

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 2026-08-15 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
77 2026-08-15 23:56 639224347685767174
251 ms 51.77.15.234
76 2026-08-15 23:40 639224338276675277
60 ms 51.77.15.234
75 2026-08-15 22:48 639224306594546649
350 ms 51.77.15.234
74 2026-08-15 22:32 639224297145423303
272 ms 51.77.15.234
73 2026-08-15 22:16 639224287678238833
58 ms 51.77.15.234
72 2026-08-15 22:01 639224278490872828
41 ms 51.77.15.234
71 2026-08-15 21:45 639224269149307826
14 ms 51.77.15.234
70 2026-08-15 21:30 639224259868597616
45 ms 51.77.15.234
69 2026-08-15 21:14 639224250518642175
5 ms 51.77.15.234
68 2026-08-15 20:59 639224241064772383
17 ms 51.77.15.234
67 2026-08-15 20:43 639224231691099605
37 ms 51.77.15.234
66 2026-08-15 20:28 639224222468168159
41 ms 51.77.15.234
65 2026-08-15 20:12 639224213173899635
58 ms 51.77.15.234
64 2026-08-15 19:57 639224203914451783
35 ms 51.77.15.234
63 2026-08-15 19:04 639224172202542163
28 ms 51.77.15.234
62 2026-08-15 18:49 639224163338654093
69 ms 51.77.15.234
61 2026-08-15 18:34 639224154287995374
50 ms 51.77.15.234
60 2026-08-15 18:19 639224145118612503
2045 ms 51.77.15.234
59 2026-08-15 18:04 639224135995990731
27 ms 51.77.15.234
58 2026-08-15 17:49 639224127185332624
175 ms 51.77.15.234
57 2026-08-15 17:34 639224118229289175
45 ms 51.77.15.234
56 2026-08-15 17:19 639224109273796359
94 ms 51.77.15.234
55 2026-08-15 17:04 639224100490805608
6 ms 51.77.15.234
54 2026-08-15 16:49 639224091353714490
65 ms 51.77.15.234
53 2026-08-15 16:34 639224082033126828
78 ms 51.77.15.234
52 2026-08-15 16:18 639224072736962403
6 ms 51.77.15.234
51 2026-08-15 15:26 639224041475563754
60 ms 51.77.15.234
50 2026-08-15 15:11 639224032345604453
36 ms 51.77.15.234
49 2026-08-15 14:56 639224023169497283
23 ms 51.77.15.234
48 2026-08-15 14:40 639224013981146405
16 ms 51.77.15.234
47 2026-08-15 14:25 639224004883412586
43 ms 51.77.15.234
46 2026-08-15 14:10 639223995612880615
2323 ms 51.77.15.234
45 2026-08-15 13:54 639223986271830789
76 ms 51.77.15.234
44 2026-08-15 13:39 639223977005780949
29 ms 51.77.15.234
43 2026-08-15 13:23 639223967653137793
11 ms 51.77.15.234
42 2026-08-15 13:07 639223958286010799
75 ms 51.77.15.234
41 2026-08-15 12:52 639223948936108345
60 ms 51.77.15.234
40 2026-08-15 12:36 639223939673066880
219 ms 51.77.15.234
39 2026-08-15 11:44 639223908317760530
12 ms 51.77.15.234
38 2026-08-15 11:29 639223898992594258
184 ms 51.77.15.234
37 2026-08-15 11:13 639223889761312823
42 ms 51.77.15.234
36 2026-08-15 10:58 639223880359273507
38 ms 51.77.15.234
35 2026-08-15 10:42 639223870920466808
8 ms 51.77.15.234
34 2026-08-15 10:26 639223861579762179
3 ms 51.77.15.234
33 2026-08-15 10:11 639223852238616009
17 ms 51.77.15.234
32 2026-08-15 09:55 639223843019815620
42 ms 51.77.15.234
31 2026-08-15 09:40 639223833669915012
104 ms 51.77.15.234
30 2026-08-15 09:25 639223824494613222
19 ms 51.77.15.234
29 2026-08-15 09:09 639223815116325293
2032 ms 51.77.15.234
28 2026-08-15 08:53 639223805493870221
55 ms 51.77.15.234
27 2026-08-15 08:01 639223774218660438
192 ms 51.77.15.234
26 2026-08-15 07:45 639223764663090372
29 ms 51.77.15.234
25 2026-08-15 07:29 639223755338811400
206 ms 51.77.15.234
24 2026-08-15 07:14 639223746019193268
32 ms 51.77.15.234
23 2026-08-15 06:58 639223736658778104
19 ms 51.77.15.234
22 2026-08-15 06:42 639223727330194499
80 ms 51.77.15.234
21 2026-08-15 06:27 639223717848514742
2047 ms 51.77.15.234
20 2026-08-15 06:11 639223708284754056
46 ms 51.77.15.234
19 2026-08-15 05:55 639223699061259933
40 ms 51.77.15.234
18 2026-08-15 05:40 639223689592545140
362 ms 51.77.15.234
17 2026-08-15 05:24 639223680143410810
42 ms 51.77.15.234
16 2026-08-15 05:08 639223670514517104
71 ms 51.77.15.234
15 2026-08-15 04:16 639223638855054294
24 ms 51.77.15.234
14 2026-08-15 04:00 639223629623335972
31 ms 51.77.15.234
13 2026-08-15 03:45 639223620390189495
28 ms 51.77.15.234
12 2026-08-15 03:29 639223610916950440
59 ms 51.77.15.234
11 2026-08-15 03:14 639223601597759168
3 ms 51.77.15.234
10 2026-08-15 02:58 639223592342172093
33 ms 51.77.15.234
9 2026-08-15 02:43 639223583324121497
68 ms 51.77.15.234
8 2026-08-15 02:28 639223574086714218
60 ms 51.77.15.234
7 2026-08-15 02:12 639223564698424889
16 ms 51.77.15.234
6 2026-08-15 01:57 639223555408664206
41 ms 51.77.15.234
5 2026-08-15 01:41 639223546000912416
39 ms 51.77.15.234
4 2026-08-15 01:25 639223536550774847
103 ms 51.77.15.234
3 2026-08-15 00:33 639223505017205611
20 ms 51.77.15.234
2 2026-08-15 00:18 639223495784410207
60 ms 51.77.15.234
1 2026-08-15 00:02 639223486524583054
22 ms 51.77.15.234