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 2026-08-11. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 180 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

180 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:53

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 2026-08-11 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 2026-08-11 23:53 639220888396333845
73 ms 51.77.15.234
76 2026-08-11 23:37 639220878864937382
22 ms 51.77.15.234
75 2026-08-11 22:45 639220847369072314
101 ms 51.77.15.234
74 2026-08-11 22:29 639220838037764925
41 ms 51.77.15.234
73 2026-08-11 22:14 639220828735120634
56 ms 51.77.15.234
72 2026-08-11 21:58 639220819447979766
42 ms 51.77.15.234
71 2026-08-11 21:43 639220810056531741
42 ms 51.77.15.234
70 2026-08-11 21:27 639220800745746593
36 ms 51.77.15.234
69 2026-08-11 21:11 639220791351626349
40 ms 51.77.15.234
68 2026-08-11 20:56 639220782021256610
2007 ms 51.77.15.234
67 2026-08-11 20:40 639220772603347755
42 ms 51.77.15.234
66 2026-08-11 20:24 639220763224057047
12 ms 51.77.15.234
65 2026-08-11 20:09 639220753691117767
48 ms 51.77.15.234
64 2026-08-11 19:52 639220744107836218
49 ms 51.77.15.234
63 2026-08-11 19:00 639220711927629898
65 ms 51.77.15.234
62 2026-08-11 18:44 639220702299437921
53 ms 51.77.15.234
61 2026-08-11 18:27 639220692505468181
56 ms 51.77.15.234
60 2026-08-11 18:11 639220682669911239
97 ms 51.77.15.234
59 2026-08-11 17:54 639220672929841526
49 ms 51.77.15.234
58 2026-08-11 17:38 639220663225662315
23 ms 51.77.15.234
57 2026-08-11 17:23 639220653846255684
58 ms 51.77.15.234
56 2026-08-11 17:07 639220644420909059
50 ms 51.77.15.234
55 2026-08-11 16:51 639220635074970435
165 ms 51.77.15.234
54 2026-08-11 16:36 639220625614385966
28 ms 51.77.15.234
53 2026-08-11 16:20 639220616132212636
47 ms 51.77.15.234
52 2026-08-11 16:04 639220606533651662
31 ms 51.77.15.234
51 2026-08-11 15:11 639220574514514318
50 ms 51.77.15.234
50 2026-08-11 14:56 639220565124823874
37 ms 51.77.15.234
49 2026-08-11 14:40 639220555799311478
77 ms 51.77.15.234
48 2026-08-11 14:25 639220546481577614
95 ms 51.77.15.234
47 2026-08-11 14:09 639220537036533154
4 ms 51.77.15.234
46 2026-08-11 13:53 639220527719177174
40 ms 51.77.15.234
45 2026-08-11 13:37 639220518173088308
42 ms 51.77.15.234
44 2026-08-11 13:22 639220508902896243
62 ms 51.77.15.234
43 2026-08-11 13:06 639220499455923005
38 ms 51.77.15.234
42 2026-08-11 12:51 639220490082583768
53 ms 51.77.15.234
41 2026-08-11 12:35 639220480636590998
42 ms 51.77.15.234
40 2026-08-11 12:18 639220469585029273
42 ms 51.77.15.234
39 2026-08-11 11:25 639220438074188884
49 ms 51.77.15.234
38 2026-08-11 11:09 639220428789720049
7 ms 51.77.15.234
37 2026-08-11 10:53 639220419558302820
41 ms 51.77.15.234
36 2026-08-11 10:38 639220410448738795
7 ms 51.77.15.234
35 2026-08-11 10:23 639220401034081530
49 ms 51.77.15.234
34 2026-08-11 10:07 639220391766674161
4 ms 51.77.15.234
33 2026-08-11 09:52 639220382275807148
17 ms 51.77.15.234
32 2026-08-11 09:36 639220373034162867
108 ms 51.77.15.234
31 2026-08-11 09:21 639220363994971859
18 ms 51.77.15.234
30 2026-08-11 09:05 639220354563965455
45 ms 51.77.15.234
29 2026-08-11 08:50 639220345437414880
51 ms 51.77.15.234
28 2026-08-11 08:34 639220336024248987
2048 ms 51.77.15.234
27 2026-08-11 07:41 639220304233635692
26 ms 51.77.15.234
26 2026-08-11 07:25 639220294872170960
50 ms 51.77.15.234
25 2026-08-11 07:10 639220285547177980
2032 ms 51.77.15.234
24 2026-08-11 06:54 639220276337941315
7 ms 51.77.15.234
23 2026-08-11 06:39 639220267175191677
46 ms 51.77.15.234
22 2026-08-11 06:23 639220257981518924
74 ms 51.77.15.234
21 2026-08-11 06:09 639220249265489070
51 ms 51.77.15.234
20 2026-08-11 05:54 639220240700249205
2025 ms 51.77.15.234
19 2026-08-11 05:40 639220231975029986
318 ms 51.77.15.234
18 2026-08-11 05:26 639220223261176932
2144 ms 51.77.15.234
17 2026-08-11 05:11 639220214366718456
54 ms 51.77.15.234
16 2026-08-11 04:56 639220205306334524
33 ms 51.77.15.234
15 2026-08-11 04:05 639220174463175061
96 ms 51.77.15.234
14 2026-08-11 03:51 639220165777190438
4 ms 51.77.15.234
13 2026-08-11 03:36 639220156880374825
2 ms 51.77.15.234
12 2026-08-11 03:21 639220148139986945
37 ms 51.77.15.234
11 2026-08-11 03:06 639220139271074299
15 ms 51.77.15.234
10 2026-08-11 02:52 639220130565901336
41 ms 51.77.15.234
9 2026-08-11 02:37 639220121659980575
19 ms 51.77.15.234
8 2026-08-11 02:22 639220112857650894
25 ms 51.77.15.234
7 2026-08-11 02:07 639220103767686219
37 ms 51.77.15.234
6 2026-08-11 01:52 639220094545970611
159 ms 51.77.15.234
5 2026-08-11 01:37 639220085476091081
16 ms 51.77.15.234
4 2026-08-11 01:21 639220076243751161
109 ms 51.77.15.234
3 2026-08-11 00:30 639220045322845190
40 ms 51.77.15.234
2 2026-08-11 00:16 639220036434132314
42 ms 51.77.15.234
1 2026-08-11 00:00 639220027366289509
23 ms 51.77.15.234