DNS response history for bdns2.ultradns.net

bdns2.ultradns.net 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 2026-08-25. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 120 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 bdns2.ultradns.net.
Records on Selected Date

69

Historical checks stored for this nameserver on selected date

Average Latency

120 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.154.1

Most recently resolved hosting IP on selected date

Successful Responses

69

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 bdns2.ultradns.net

Showing DNS history for 2026-08-25 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
69 2026-08-25 23:50 639232985300872416
17 ms 156.154.154.1
68 2026-08-25 23:32 639232974980190573
9 ms 156.154.154.1
67 2026-08-25 23:15 639232964577050707
11 ms 156.154.154.1
66 2026-08-25 22:21 639232932163142799
24 ms 156.154.154.1
65 2026-08-25 22:04 639232921673215474
15 ms 156.154.154.1
64 2026-08-25 21:46 639232911234504639
33 ms 156.154.154.1
63 2026-08-25 21:29 639232900747078453
9 ms 156.154.154.1
62 2026-08-25 21:11 639232890389222534
2018 ms 156.154.154.1
61 2026-08-25 20:54 639232880143390843
25 ms 156.154.154.1
60 2026-08-25 20:37 639232869755024069
20 ms 156.154.154.1
59 2026-08-25 20:20 639232859355940346
12 ms 156.154.154.1
58 2026-08-25 20:02 639232848992244953
30 ms 156.154.154.1
57 2026-08-25 19:45 639232838596478500
33 ms 156.154.154.1
56 2026-08-25 19:28 639232828175327683
13 ms 156.154.154.1
55 2026-08-25 19:10 639232817798330473
26 ms 156.154.154.1
54 2026-08-25 18:17 639232785462407552
5 ms 156.154.154.1
53 2026-08-25 17:59 639232775177487032
21 ms 156.154.154.1
52 2026-08-25 17:42 639232764991087115
56 ms 156.154.154.1
51 2026-08-25 17:26 639232754842971478
20 ms 156.154.154.1
50 2026-08-25 17:08 639232744455159107
61 ms 156.154.154.1
49 2026-08-25 16:51 639232734145178231
31 ms 156.154.154.1
48 2026-08-25 16:34 639232723827874402
85 ms 156.154.154.1
47 2026-08-25 16:17 639232713533011892
12 ms 156.154.154.1
46 2026-08-25 15:59 639232703065318207
2019 ms 156.154.154.1
45 2026-08-25 15:42 639232692629559470
45 ms 156.154.154.1
44 2026-08-25 15:25 639232682238836475
15 ms 156.154.154.1
43 2026-08-25 15:07 639232671787004306
21 ms 156.154.154.1
42 2026-08-25 14:12 639232638994329666
112 ms 156.154.154.1
41 2026-08-25 13:55 639232628614783237
10 ms 156.154.154.1
40 2026-08-25 13:38 639232618360728578
41 ms 156.154.154.1
39 2026-08-25 13:21 639232608016476376
103 ms 156.154.154.1
38 2026-08-25 13:04 639232597643611557
13 ms 156.154.154.1
37 2026-08-25 12:46 639232587225721862
15 ms 156.154.154.1
36 2026-08-25 12:29 639232576780683689
2014 ms 156.154.154.1
35 2026-08-25 12:11 639232566381512620
12 ms 156.154.154.1
34 2026-08-25 11:54 639232556111768563
79 ms 156.154.154.1
33 2026-08-25 11:37 639232545839529039
12 ms 156.154.154.1
32 2026-08-25 11:20 639232535349285207
13 ms 156.154.154.1
31 2026-08-25 11:02 639232524938080723
21 ms 156.154.154.1
30 2026-08-25 10:09 639232492740373468
24 ms 156.154.154.1
29 2026-08-25 09:51 639232482235303141
92 ms 156.154.154.1
28 2026-08-25 09:34 639232471861770303
25 ms 156.154.154.1
27 2026-08-25 09:17 639232461630217327
16 ms 156.154.154.1
26 2026-08-25 09:00 639232451282965990
37 ms 156.154.154.1
25 2026-08-25 08:42 639232440814614938
28 ms 156.154.154.1
24 2026-08-25 08:25 639232430410720425
71 ms 156.154.154.1
23 2026-08-25 08:08 639232420003096185
42 ms 156.154.154.1
22 2026-08-25 07:50 639232409467287444
25 ms 156.154.154.1
21 2026-08-25 07:33 639232399077195997
29 ms 156.154.154.1
20 2026-08-25 07:15 639232388731528337
66 ms 156.154.154.1
19 2026-08-25 06:58 639232378288598612
11 ms 156.154.154.1
18 2026-08-25 06:04 639232346196373643
10 ms 156.154.154.1
17 2026-08-25 05:48 639232336112370741
19 ms 156.154.154.1
16 2026-08-25 05:31 639232326146508970
4 ms 156.154.154.1
15 2026-08-25 05:15 639232316189381720
37 ms 156.154.154.1
14 2026-08-25 04:58 639232306217998913
14 ms 156.154.154.1
13 2026-08-25 04:41 639232296255744174
11 ms 156.154.154.1
12 2026-08-25 04:24 639232286095760789
18 ms 156.154.154.1
11 2026-08-25 04:08 639232276086186273
22 ms 156.154.154.1
10 2026-08-25 03:51 639232265900986425
10 ms 156.154.154.1
9 2026-08-25 03:34 639232255723518075
420 ms 156.154.154.1
8 2026-08-25 03:17 639232245484452890
10 ms 156.154.154.1
7 2026-08-25 02:59 639232235157175331
22 ms 156.154.154.1
6 2026-08-25 02:06 639232203197189095
10 ms 156.154.154.1
5 2026-08-25 01:49 639232192844564298
25 ms 156.154.154.1
4 2026-08-25 01:32 639232182496008942
10 ms 156.154.154.1
3 2026-08-25 01:14 639232172197053132
9 ms 156.154.154.1
2 2026-08-25 00:21 639232140250307418
10 ms 156.154.154.1
1 2026-08-25 00:04 639232129927860324
10 ms 156.154.154.1