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 2026-08-23. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 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

75

Historical checks stored for this nameserver on selected date

Average Latency

148 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:47

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

75

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 2026-08-23 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
75 2026-08-23 23:47 639231254406598736
36 ms 51.77.15.234
74 2026-08-23 23:31 639231244697865594
3 ms 51.77.15.234
73 2026-08-23 23:14 639231234893504693
203 ms 51.77.15.234
72 2026-08-23 22:58 639231225024549139
8 ms 51.77.15.234
71 2026-08-23 22:41 639231214931957622
46 ms 51.77.15.234
70 2026-08-23 22:25 639231204962010549
73 ms 51.77.15.234
69 2026-08-23 22:08 639231195170138463
18 ms 51.77.15.234
68 2026-08-23 21:52 639231185235020577
2009 ms 51.77.15.234
67 2026-08-23 21:35 639231175558690075
7 ms 51.77.15.234
66 2026-08-23 21:19 639231165610444012
320 ms 51.77.15.234
65 2026-08-23 20:26 639231133806425363
21 ms 51.77.15.234
64 2026-08-23 20:10 639231124203758023
6 ms 51.77.15.234
63 2026-08-23 19:54 639231114428262706
6 ms 51.77.15.234
62 2026-08-23 19:37 639231104662480065
2046 ms 51.77.15.234
61 2026-08-23 19:21 639231094840372018
48 ms 51.77.15.234
60 2026-08-23 19:04 639231085024583224
48 ms 51.77.15.234
59 2026-08-23 18:48 639231075257417427
8 ms 51.77.15.234
58 2026-08-23 18:32 639231065516009503
26 ms 51.77.15.234
57 2026-08-23 18:16 639231055805348837
2 ms 51.77.15.234
56 2026-08-23 17:59 639231045980373765
79 ms 51.77.15.234
55 2026-08-23 17:43 639231035984577527
49 ms 51.77.15.234
54 2026-08-23 17:26 639231025928115303
3 ms 51.77.15.234
53 2026-08-23 16:33 639230994250157583
19 ms 51.77.15.234
52 2026-08-23 16:17 639230984476411369
53 ms 51.77.15.234
51 2026-08-23 16:01 639230974838373450
105 ms 51.77.15.234
50 2026-08-23 15:45 639230965244277645
3 ms 51.77.15.234
49 2026-08-23 15:29 639230955522101820
51 ms 51.77.15.234
48 2026-08-23 15:12 639230945754521603
37 ms 51.77.15.234
47 2026-08-23 14:56 639230935852040504
26 ms 51.77.15.234
46 2026-08-23 14:40 639230926222061048
60 ms 51.77.15.234
45 2026-08-23 14:23 639230916449726907
46 ms 51.77.15.234
44 2026-08-23 14:07 639230906595053086
51 ms 51.77.15.234
43 2026-08-23 13:51 639230896680429441
18 ms 51.77.15.234
42 2026-08-23 13:34 639230886630210965
41 ms 51.77.15.234
41 2026-08-23 12:42 639230855430405719
2052 ms 51.77.15.234
40 2026-08-23 12:26 639230845707499136
24 ms 51.77.15.234
39 2026-08-23 12:10 639230836186805419
44 ms 51.77.15.234
38 2026-08-23 11:54 639230826493828316
2052 ms 51.77.15.234
37 2026-08-23 11:37 639230816817882996
3 ms 51.77.15.234
36 2026-08-23 11:21 639230806933854189
179 ms 51.77.15.234
35 2026-08-23 11:05 639230797120243854
37 ms 51.77.15.234
34 2026-08-23 10:48 639230787310272840
8 ms 51.77.15.234
33 2026-08-23 10:32 639230777600173142
4 ms 51.77.15.234
32 2026-08-23 10:15 639230767665024593
70 ms 51.77.15.234
31 2026-08-23 09:59 639230757720962293
39 ms 51.77.15.234
30 2026-08-23 09:42 639230747722189784
33 ms 51.77.15.234
29 2026-08-23 08:50 639230716313923480
3 ms 51.77.15.234
28 2026-08-23 08:34 639230706813835990
9 ms 51.77.15.234
27 2026-08-23 08:18 639230696871062203
43 ms 51.77.15.234
26 2026-08-23 08:01 639230687142781616
50 ms 51.77.15.234
25 2026-08-23 07:45 639230677432142227
12 ms 51.77.15.234
24 2026-08-23 07:29 639230667686258061
3 ms 51.77.15.234
23 2026-08-23 07:13 639230658039243685
3 ms 51.77.15.234
22 2026-08-23 06:57 639230648468473803
55 ms 51.77.15.234
21 2026-08-23 06:41 639230638829658294
84 ms 51.77.15.234
20 2026-08-23 06:25 639230629247017617
60 ms 51.77.15.234
19 2026-08-23 06:09 639230619625318239
4 ms 51.77.15.234
18 2026-08-23 05:52 639230609697630264
95 ms 51.77.15.234
17 2026-08-23 05:00 639230578570131864
30 ms 51.77.15.234
16 2026-08-23 04:44 639230568958963168
13 ms 51.77.15.234
15 2026-08-23 04:28 639230559287611211
3 ms 51.77.15.234
14 2026-08-23 04:12 639230549524312030
17 ms 51.77.15.234
13 2026-08-23 03:56 639230539739801669
3 ms 51.77.15.234
12 2026-08-23 03:40 639230530084069375
44 ms 51.77.15.234
11 2026-08-23 03:23 639230520362691441
48 ms 51.77.15.234
10 2026-08-23 03:07 639230510677194518
43 ms 51.77.15.234
9 2026-08-23 02:51 639230501156002646
36 ms 51.77.15.234
8 2026-08-23 02:35 639230491502198541
167 ms 51.77.15.234
7 2026-08-23 02:19 639230481860318494
21 ms 51.77.15.234
6 2026-08-23 02:03 639230471893008575
9 ms 51.77.15.234
5 2026-08-23 01:09 639230440030877421
15 ms 51.77.15.234
4 2026-08-23 00:53 639230430479725508
33 ms 51.77.15.234
3 2026-08-23 00:38 639230420875160219
7 ms 51.77.15.234
2 2026-08-23 00:21 639230411240692575
20 ms 51.77.15.234
1 2026-08-23 00:05 639230401550806607
23 ms 51.77.15.234