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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 75 successful responses, 0 failed responses, and 416 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

416 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:59

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 2026-08-19 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 2026-08-19 23:59 639227805445376839
35 ms 51.77.15.234
74 2026-08-19 23:43 639227795899225951
9 ms 51.77.15.234
73 2026-08-19 23:27 639227786351762008
2033 ms 51.77.15.234
72 2026-08-19 23:11 639227776640591733
46 ms 51.77.15.234
71 2026-08-19 22:55 639227767128841282
2301 ms 51.77.15.234
70 2026-08-19 22:39 639227757477304711
52 ms 51.77.15.234
69 2026-08-19 22:22 639227747572098014
26 ms 51.77.15.234
68 2026-08-19 22:06 639227737588613113
31 ms 51.77.15.234
67 2026-08-19 21:13 639227706134603955
63 ms 51.77.15.234
66 2026-08-19 20:57 639227696589027396
2027 ms 51.77.15.234
65 2026-08-19 20:41 639227687097707639
16 ms 51.77.15.234
64 2026-08-19 20:25 639227677474464487
47 ms 51.77.15.234
63 2026-08-19 20:09 639227667767441118
45 ms 51.77.15.234
62 2026-08-19 19:53 639227657984833832
46 ms 51.77.15.234
61 2026-08-19 19:36 639227648079992640
2034 ms 51.77.15.234
60 2026-08-19 19:20 639227638125048441
44 ms 51.77.15.234
59 2026-08-19 19:03 639227628211392142
110 ms 51.77.15.234
58 2026-08-19 18:47 639227618261696275
2030 ms 51.77.15.234
57 2026-08-19 18:30 639227608366233645
145 ms 51.77.15.234
56 2026-08-19 18:13 639227598301787588
2029 ms 51.77.15.234
55 2026-08-19 17:20 639227566241010716
2033 ms 51.77.15.234
54 2026-08-19 17:04 639227556454538959
39 ms 51.77.15.234
53 2026-08-19 16:47 639227546640305542
7 ms 51.77.15.234
52 2026-08-19 16:31 639227536965466472
43 ms 51.77.15.234
51 2026-08-19 16:15 639227527048658280
11 ms 51.77.15.234
50 2026-08-19 15:58 639227517386634438
2031 ms 51.77.15.234
49 2026-08-19 15:42 639227507459551637
66 ms 51.77.15.234
48 2026-08-19 15:25 639227497515595277
37 ms 51.77.15.234
47 2026-08-19 15:09 639227487441798036
2183 ms 51.77.15.234
46 2026-08-19 14:52 639227477445551863
179 ms 51.77.15.234
45 2026-08-19 14:35 639227467297067891
7 ms 51.77.15.234
44 2026-08-19 14:18 639227457057795635
184 ms 51.77.15.234
43 2026-08-19 13:25 639227425244777397
32 ms 51.77.15.234
42 2026-08-19 13:09 639227415422116485
48 ms 51.77.15.234
41 2026-08-19 12:52 639227405307256053
297 ms 51.77.15.234
40 2026-08-19 12:35 639227395396602630
42 ms 51.77.15.234
39 2026-08-19 12:19 639227385510363611
32 ms 51.77.15.234
38 2026-08-19 12:02 639227375508324850
7 ms 51.77.15.234
37 2026-08-19 11:45 639227365326611906
16 ms 51.77.15.234
36 2026-08-19 11:28 639227355360014208
167 ms 51.77.15.234
35 2026-08-19 11:11 639227345036782165
45 ms 51.77.15.234
34 2026-08-19 10:54 639227334992964533
161 ms 51.77.15.234
33 2026-08-19 10:38 639227324986605572
132 ms 51.77.15.234
32 2026-08-19 10:21 639227314928414539
47 ms 51.77.15.234
31 2026-08-19 09:28 639227283029182134
17 ms 51.77.15.234
30 2026-08-19 09:12 639227273294779350
83 ms 51.77.15.234
29 2026-08-19 08:55 639227263525231313
8 ms 51.77.15.234
28 2026-08-19 08:39 639227253578313363
37 ms 51.77.15.234
27 2026-08-19 08:22 639227243649973322
29 ms 51.77.15.234
26 2026-08-19 08:05 639227233581059317
11 ms 51.77.15.234
25 2026-08-19 07:49 639227223667352067
2497 ms 51.77.15.234
24 2026-08-19 07:32 639227213714837066
29 ms 51.77.15.234
23 2026-08-19 07:16 639227203701208496
159 ms 51.77.15.234
22 2026-08-19 06:59 639227193643202179
38 ms 51.77.15.234
21 2026-08-19 06:42 639227183584431597
63 ms 51.77.15.234
20 2026-08-19 06:25 639227173347403088
67 ms 51.77.15.234
19 2026-08-19 05:32 639227141523007601
27 ms 51.77.15.234
18 2026-08-19 05:16 639227131785931574
2029 ms 51.77.15.234
17 2026-08-19 05:00 639227122176475389
28 ms 51.77.15.234
16 2026-08-19 04:44 639227112668934596
70 ms 51.77.15.234
15 2026-08-19 04:27 639227102773292788
46 ms 51.77.15.234
14 2026-08-19 04:11 639227093141136930
38 ms 51.77.15.234
13 2026-08-19 03:55 639227083449420147
27 ms 51.77.15.234
12 2026-08-19 03:39 639227073771748493
32 ms 51.77.15.234
11 2026-08-19 03:23 639227063977347614
33 ms 51.77.15.234
10 2026-08-19 03:07 639227054253519024
26 ms 51.77.15.234
9 2026-08-19 02:50 639227044381963886
43 ms 51.77.15.234
8 2026-08-19 02:34 639227034441085514
75 ms 51.77.15.234
7 2026-08-19 01:41 639227003126489968
2016 ms 51.77.15.234
6 2026-08-19 01:25 639226993456311614
58 ms 51.77.15.234
5 2026-08-19 01:09 639226983847312345
76 ms 51.77.15.234
4 2026-08-19 00:53 639226974357874853
37 ms 51.77.15.234
3 2026-08-19 00:37 639226964670484721
181 ms 51.77.15.234
2 2026-08-19 00:21 639226954857899696
44 ms 51.77.15.234
1 2026-08-19 00:05 639226945091603488
2297 ms 51.77.15.234