DNS response history for unders.core.bg

unders.core.bg 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 2026-08-16. For this date, NameServerHistory found 60 DNS check records, 59 successful responses, 1 failed responses, and 110 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 unders.core.bg.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

110 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-16 23:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.38.206.250

Most recently resolved hosting IP on selected date

Successful Responses

59

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for unders.core.bg

Showing DNS history for 2026-08-16 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
60 2026-08-16 23:45 639225207490611656
66 ms 51.38.206.250
59 2026-08-16 23:30 639225198045815385
117 ms 51.38.206.250
58 2026-08-16 22:38 639225166825544741
10 ms 51.38.206.250
57 2026-08-16 22:22 639225157549461269
46 ms 51.38.206.250
56 2026-08-16 22:06 639225147914556308
14 ms 51.38.206.250
55 2026-08-16 21:50 639225138472322960
11 ms 51.38.206.250
54 2026-08-16 20:58 639225107211236826
20 ms 51.38.206.250
53 2026-08-16 20:43 639225097684457510
42 ms 51.38.206.250
52 2026-08-16 20:26 639225087942913396
16 ms 51.38.206.250
51 2026-08-16 20:10 639225078238684183
13 ms 51.38.206.250
50 2026-08-16 19:18 639225046944151094
21 ms 51.38.206.250
49 2026-08-16 19:02 639225037234857231
119 ms 51.38.206.250
48 2026-08-16 18:45 639225027423459920
27 ms 51.38.206.250
47 2026-08-16 18:30 639225017891613027
38 ms 51.38.206.250
46 2026-08-16 17:37 639224986298183527
20 ms 51.38.206.250
45 2026-08-16 17:21 639224976567107023
33 ms 51.38.206.250
44 2026-08-16 17:04 639224966709723386
75 ms 51.38.206.250
43 2026-08-16 16:48 639224957175756942
47 ms 51.38.206.250
42 2026-08-16 15:56 639224925782379869
26 ms 51.38.206.250
41 2026-08-16 15:40 639224916429532459
13 ms 51.38.206.250
40 2026-08-16 15:25 639224906878325623
51 ms 51.38.206.250
39 2026-08-16 15:09 639224897258974385
53 ms 51.38.206.250
38 2026-08-16 14:17 639224866169532828
66 ms 51.38.206.250
37 2026-08-16 14:01 639224856561831915
23 ms 51.38.206.250
36 2026-08-16 13:44 639224846830897794
22 ms 51.38.206.250
35 2026-08-16 13:28 639224836975863283
17 ms 51.38.206.250
34 2026-08-16 12:35 639224804985340946
41 ms 51.38.206.250
33 2026-08-16 12:19 639224795567782333
10 ms 51.38.206.250
32 2026-08-16 12:03 639224785914225250
46 ms 51.38.206.250
31 2026-08-16 11:47 639224776383854998
47 ms 51.38.206.250
30 2026-08-16 10:53 639224744252113993
65 ms 51.38.206.250
29 2026-08-16 10:37 639224734238905542
41 ms 51.38.206.250
28 2026-08-16 10:20 639224724335031221
41 ms 51.38.206.250
27 2026-08-16 10:04 639224714475244430
13 ms 51.38.206.250
26 2026-08-16 09:08 639224681063874153
24 ms 51.38.206.250
25 2026-08-16 08:51 639224671038956665
2184 ms 51.38.206.250
24 2026-08-16 08:35 639224661079806122
2154 ms 51.38.206.250
23 2026-08-16 08:18 639224651169993038
-
22 2026-08-16 07:24 639224618882283050
4 ms 51.38.206.250
21 2026-08-16 07:09 639224609519965372
24 ms 51.38.206.250
20 2026-08-16 06:53 639224599969658888
30 ms 51.38.206.250
19 2026-08-16 06:37 639224590360343307
15 ms 51.38.206.250
18 2026-08-16 05:44 639224558901831832
12 ms 51.38.206.250
17 2026-08-16 05:29 639224549678210576
20 ms 51.38.206.250
16 2026-08-16 05:14 639224540433420642
38 ms 51.38.206.250
15 2026-08-16 04:58 639224531046032443
57 ms 51.38.206.250
14 2026-08-16 04:06 639224499638024410
67 ms 51.38.206.250
13 2026-08-16 03:50 639224490358783451
20 ms 51.38.206.250
12 2026-08-16 03:35 639224481111410545
81 ms 51.38.206.250
11 2026-08-16 03:19 639224471809153772
101 ms 51.38.206.250
10 2026-08-16 02:27 639224440124457324
23 ms 51.38.206.250
9 2026-08-16 02:11 639224430921105721
23 ms 51.38.206.250
8 2026-08-16 01:55 639224421455433103
7 ms 51.38.206.250
7 2026-08-16 01:40 639224412089740331
57 ms 51.38.206.250
6 2026-08-16 01:25 639224403168392868
18 ms 51.38.206.250
5 2026-08-16 01:09 639224393856251387
44 ms 51.38.206.250
4 2026-08-16 00:54 639224384677141438
16 ms 51.38.206.250
3 2026-08-16 00:39 639224375597986398
78 ms 51.38.206.250
2 2026-08-16 00:24 639224366430296466
37 ms 51.38.206.250
1 2026-08-16 00:08 639224357218176789
59 ms 51.38.206.250