DNS response history for ns1.core-backbone.com

ns1.core-backbone.com 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 226 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.core-backbone.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

226 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

83.142.86.5

Most recently resolved hosting IP on selected date

Successful Responses

72

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.core-backbone.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:48 639229527598660841
26 ms 83.142.86.5
72 2026-08-21 23:32 639229517954323214
-
71 2026-08-21 23:16 639229508269999021
54 ms 83.142.86.5
70 2026-08-21 22:59 639229498559060171
21 ms 83.142.86.5
69 2026-08-21 22:43 639229488519347586
2067 ms 83.142.86.5
68 2026-08-21 21:50 639229456606578934
2010 ms 83.142.86.5
67 2026-08-21 21:34 639229446985772499
4 ms 83.142.86.5
66 2026-08-21 21:18 639229437367313098
19 ms 83.142.86.5
65 2026-08-21 21:02 639229427923950391
53 ms 83.142.86.5
64 2026-08-21 20:46 639229418168588854
36 ms 83.142.86.5
63 2026-08-21 20:29 639229408345678334
23 ms 83.142.86.5
62 2026-08-21 20:13 639229398616354648
9 ms 83.142.86.5
61 2026-08-21 19:57 639229388634592323
62 ms 83.142.86.5
60 2026-08-21 19:40 639229378792837692
23 ms 83.142.86.5
59 2026-08-21 19:24 639229369154682311
54 ms 83.142.86.5
58 2026-08-21 19:07 639229359248017926
26 ms 83.142.86.5
57 2026-08-21 18:51 639229349124294642
34 ms 83.142.86.5
56 2026-08-21 17:58 639229317791715692
19 ms 83.142.86.5
55 2026-08-21 17:42 639229308115194575
20 ms 83.142.86.5
54 2026-08-21 17:26 639229298320320558
32 ms 83.142.86.5
53 2026-08-21 17:10 639229288674863221
41 ms 83.142.86.5
52 2026-08-21 16:54 639229278983677079
55 ms 83.142.86.5
51 2026-08-21 16:38 639229269405517175
20 ms 83.142.86.5
50 2026-08-21 16:21 639229259594798244
2024 ms 83.142.86.5
49 2026-08-21 16:05 639229249736681188
14 ms 83.142.86.5
48 2026-08-21 15:48 639229239699417787
29 ms 83.142.86.5
47 2026-08-21 15:31 639229229621964033
87 ms 83.142.86.5
46 2026-08-21 15:15 639229219567270965
22 ms 83.142.86.5
45 2026-08-21 14:58 639229209406666856
54 ms 83.142.86.5
44 2026-08-21 14:05 639229177815876178
27 ms 83.142.86.5
43 2026-08-21 13:49 639229168243572685
29 ms 83.142.86.5
42 2026-08-21 13:33 639229158599856475
13 ms 83.142.86.5
41 2026-08-21 13:17 639229148998940902
21 ms 83.142.86.5
40 2026-08-21 13:01 639229139276923594
11 ms 83.142.86.5
39 2026-08-21 12:45 639229129709912394
10 ms 83.142.86.5
38 2026-08-21 12:28 639229119801488500
116 ms 83.142.86.5
37 2026-08-21 12:12 639229110135262458
10 ms 83.142.86.5
36 2026-08-21 11:56 639229100336051392
9 ms 83.142.86.5
35 2026-08-21 11:40 639229090641415626
4 ms 83.142.86.5
34 2026-08-21 11:23 639229080702683947
55 ms 83.142.86.5
33 2026-08-21 11:06 639229070601456699
34 ms 83.142.86.5
32 2026-08-21 10:14 639229038947447232
5 ms 83.142.86.5
31 2026-08-21 09:57 639229029268708773
31 ms 83.142.86.5
30 2026-08-21 09:41 639229019647910603
53 ms 83.142.86.5
29 2026-08-21 09:25 639229009983843738
30 ms 83.142.86.5
28 2026-08-21 09:09 639229000203331882
2080 ms 83.142.86.5
27 2026-08-21 08:52 639228990302335999
12 ms 83.142.86.5
26 2026-08-21 08:36 639228980567740722
12 ms 83.142.86.5
25 2026-08-21 08:20 639228970762445174
2020 ms 83.142.86.5
24 2026-08-21 08:04 639228961065054445
30 ms 83.142.86.5
23 2026-08-21 07:47 639228951224649885
139 ms 83.142.86.5
22 2026-08-21 07:31 639228941303864592
92 ms 83.142.86.5
21 2026-08-21 07:14 639228931191328583
23 ms 83.142.86.5
20 2026-08-21 06:21 639228899518173317
13 ms 83.142.86.5
19 2026-08-21 06:05 639228889785027669
27 ms 83.142.86.5
18 2026-08-21 05:49 639228880106330161
4 ms 83.142.86.5
17 2026-08-21 05:32 639228870316184091
29 ms 83.142.86.5
16 2026-08-21 05:17 639228860695366512
11 ms 83.142.86.5
15 2026-08-21 05:01 639228851027209500
26 ms 83.142.86.5
14 2026-08-21 04:44 639228841479265462
9 ms 83.142.86.5
13 2026-08-21 04:28 639228831752962260
2028 ms 83.142.86.5
12 2026-08-21 04:12 639228821953295483
2029 ms 83.142.86.5
11 2026-08-21 03:56 639228812227429953
10 ms 83.142.86.5
10 2026-08-21 03:39 639228802476107538
30 ms 83.142.86.5
9 2026-08-21 03:23 639228792525492032
25 ms 83.142.86.5
8 2026-08-21 02:30 639228761131421385
23 ms 83.142.86.5
7 2026-08-21 02:15 639228751571206692
23 ms 83.142.86.5
6 2026-08-21 01:58 639228741705571019
26 ms 83.142.86.5
5 2026-08-21 01:41 639228731642208228
31 ms 83.142.86.5
4 2026-08-21 00:49 639228700387002072
34 ms 83.142.86.5
3 2026-08-21 00:33 639228690742014433
55 ms 83.142.86.5
2 2026-08-21 00:17 639228680877937122
10 ms 83.142.86.5
1 2026-08-21 00:00 639228670775860800
15 ms 83.142.86.5