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 2026-08-09. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 158 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

77

Historical checks stored for this nameserver on selected date

Average Latency

158 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:10

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

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 unders.core.bg

Showing DNS history for 2026-08-09 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 2026-08-09 23:10 639219137912168440
91 ms 51.38.206.250
76 2026-08-09 22:55 639219129014206359
43 ms 51.38.206.250
75 2026-08-09 22:40 639219120129816185
32 ms 51.38.206.250
74 2026-08-09 22:25 639219111180200055
3 ms 51.38.206.250
73 2026-08-09 22:10 639219102397272208
4 ms 51.38.206.250
72 2026-08-09 21:55 639219093318422880
3 ms 51.38.206.250
71 2026-08-09 21:40 639219084400315753
68 ms 51.38.206.250
70 2026-08-09 21:25 639219075254551587
3 ms 51.38.206.250
69 2026-08-09 21:09 639219065729192158
26 ms 51.38.206.250
68 2026-08-09 20:54 639219056747802098
32 ms 51.38.206.250
67 2026-08-09 20:39 639219047713450952
32 ms 51.38.206.250
66 2026-08-09 20:24 639219038561445315
82 ms 51.38.206.250
65 2026-08-09 19:32 639219007390383771
42 ms 51.38.206.250
64 2026-08-09 19:17 639218998523265596
39 ms 51.38.206.250
63 2026-08-09 19:03 639218989631630804
3 ms 51.38.206.250
62 2026-08-09 18:48 639218980808450892
34 ms 51.38.206.250
61 2026-08-09 18:33 639218971852160604
48 ms 51.38.206.250
60 2026-08-09 18:18 639218962783650906
31 ms 51.38.206.250
59 2026-08-09 18:03 639218953792820819
55 ms 51.38.206.250
58 2026-08-09 17:48 639218944959692876
13 ms 51.38.206.250
57 2026-08-09 17:33 639218936169104506
58 ms 51.38.206.250
56 2026-08-09 17:18 639218927166062556
35 ms 51.38.206.250
55 2026-08-09 17:03 639218918015715420
7 ms 51.38.206.250
54 2026-08-09 16:48 639218908881852638
2042 ms 51.38.206.250
53 2026-08-09 15:56 639218877956262035
27 ms 51.38.206.250
52 2026-08-09 15:42 639218869143729797
12 ms 51.38.206.250
51 2026-08-09 15:27 639218860485298832
10 ms 51.38.206.250
50 2026-08-09 15:12 639218851607906747
18 ms 51.38.206.250
49 2026-08-09 14:58 639218842720839568
2104 ms 51.38.206.250
48 2026-08-09 14:43 639218833878788864
1546 ms 51.38.206.250
47 2026-08-09 14:28 639218825180862573
43 ms 51.38.206.250
46 2026-08-09 14:14 639218816469621951
45 ms 51.38.206.250
45 2026-08-09 13:59 639218807685036212
11 ms 51.38.206.250
44 2026-08-09 13:45 639218798978271509
8 ms 51.38.206.250
43 2026-08-09 13:30 639218790065423597
18 ms 51.38.206.250
42 2026-08-09 13:15 639218781304584862
11 ms 51.38.206.250
41 2026-08-09 12:24 639218750311179000
44 ms 51.38.206.250
40 2026-08-09 12:10 639218741750420268
31 ms 51.38.206.250
39 2026-08-09 11:55 639218733057535576
46 ms 51.38.206.250
38 2026-08-09 11:41 639218724471329044
26 ms 51.38.206.250
37 2026-08-09 11:26 639218715911974203
14 ms 51.38.206.250
36 2026-08-09 11:12 639218707310812834
28 ms 51.38.206.250
35 2026-08-09 10:58 639218698790485612
40 ms 51.38.206.250
34 2026-08-09 10:44 639218690367692706
14 ms 51.38.206.250
33 2026-08-09 10:30 639218681923173883
31 ms 51.38.206.250
32 2026-08-09 10:16 639218673547179738
8 ms 51.38.206.250
31 2026-08-09 10:01 639218664890274867
14 ms 51.38.206.250
30 2026-08-09 09:47 639218656036928157
2 ms 51.38.206.250
29 2026-08-09 08:55 639218624808018222
53 ms 51.38.206.250
28 2026-08-09 08:40 639218616243340806
45 ms 51.38.206.250
27 2026-08-09 08:26 639218607397811973
14 ms 51.38.206.250
26 2026-08-09 08:11 639218598812444454
78 ms 51.38.206.250
25 2026-08-09 07:57 639218590219570048
2097 ms 51.38.206.250
24 2026-08-09 07:43 639218581690210758
47 ms 51.38.206.250
23 2026-08-09 07:28 639218573057388822
8 ms 51.38.206.250
22 2026-08-09 07:14 639218564408781785
9 ms 51.38.206.250
21 2026-08-09 07:00 639218555767188482
54 ms 51.38.206.250
20 2026-08-09 06:45 639218547142705295
6 ms 51.38.206.250
19 2026-08-09 06:30 639218538090114532
83 ms 51.38.206.250
18 2026-08-09 06:15 639218529257910584
17 ms 51.38.206.250
17 2026-08-09 05:24 639218498473231858
18 ms 51.38.206.250
16 2026-08-09 05:10 639218489802113995
23 ms 51.38.206.250
15 2026-08-09 04:55 639218481006804516
21 ms 51.38.206.250
14 2026-08-09 04:40 639218472048712427
75 ms 51.38.206.250
13 2026-08-09 04:25 639218463224432974
2044 ms 51.38.206.250
12 2026-08-09 04:11 639218454384107526
34 ms 51.38.206.250
11 2026-08-09 03:56 639218445331231791
21 ms 51.38.206.250
10 2026-08-09 03:41 639218436285215733
65 ms 51.38.206.250
9 2026-08-09 03:26 639218427289555123
96 ms 51.38.206.250
8 2026-08-09 03:10 639218418227819981
13 ms 51.38.206.250
7 2026-08-09 02:55 639218409119503123
13 ms 51.38.206.250
6 2026-08-09 02:40 639218399771712154
12 ms 51.38.206.250
5 2026-08-09 01:48 639218368648652303
118 ms 51.38.206.250
4 2026-08-09 01:33 639218359569598460
23 ms 51.38.206.250
3 2026-08-09 01:18 639218350555429902
46 ms 51.38.206.250
2 2026-08-09 01:02 639218341311543299
16 ms 51.38.206.250
1 2026-08-09 00:10 639218309981981465
9 ms 51.38.206.250