DNS response history for pdns158.ultradns.biz

pdns158.ultradns.biz 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 2026-08-29. For this date, NameServerHistory found 60 DNS check records, 58 successful responses, 2 failed responses, and 232 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 pdns158.ultradns.biz.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

232 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 20:21

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.158

Most recently resolved hosting IP on selected date

Successful Responses

58

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns158.ultradns.biz

Showing DNS history for 2026-08-29 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 2026-08-29 20:21 639236315636203732
23 ms 156.154.66.158
59 2026-08-29 20:04 639236305430277951
17 ms 156.154.66.158
58 2026-08-29 19:47 639236295286597133
2021 ms 156.154.66.158
57 2026-08-29 19:31 639236285137083691
12 ms 156.154.66.158
56 2026-08-29 19:14 639236274938699727
14 ms 156.154.66.158
55 2026-08-29 18:56 639236264595544117
12 ms 156.154.66.158
54 2026-08-29 18:39 639236254203764064
9 ms 156.154.66.158
53 2026-08-29 18:22 639236243919128798
20 ms 156.154.66.158
52 2026-08-29 17:28 639236211708980066
5 ms 156.154.66.158
51 2026-08-29 17:12 639236201724764228
49 ms 156.154.66.158
50 2026-08-29 16:55 639236191714376906
18 ms 156.154.66.158
49 2026-08-29 16:38 639236181773042179
21 ms 156.154.66.158
48 2026-08-29 16:21 639236171632735061
-
47 2026-08-29 16:04 639236161347015414
13 ms 156.154.66.158
46 2026-08-29 15:47 639236151200362098
22 ms 156.154.66.158
45 2026-08-29 15:30 639236141026805328
33 ms 156.154.66.158
44 2026-08-29 15:14 639236131100930722
61 ms 156.154.66.158
43 2026-08-29 14:57 639236120950030411
45 ms 156.154.66.158
42 2026-08-29 14:40 639236110532007205
4012 ms 156.154.66.158
41 2026-08-29 14:22 639236100176958860
89 ms 156.154.66.158
40 2026-08-29 13:29 639236068470247956
44 ms 156.154.66.158
39 2026-08-29 13:13 639236058468679452
18 ms 156.154.66.158
38 2026-08-29 12:56 639236048317337090
42 ms 156.154.66.158
37 2026-08-29 12:39 639236038221169202
2011 ms 156.154.66.158
36 2026-08-29 12:22 639236028175589918
13 ms 156.154.66.158
35 2026-08-29 12:05 639236017965421028
27 ms 156.154.66.158
34 2026-08-29 11:48 639236007792625266
12 ms 156.154.66.158
33 2026-08-29 11:31 639235997602806960
34 ms 156.154.66.158
32 2026-08-29 11:14 639235987487833458
32 ms 156.154.66.158
31 2026-08-29 10:57 639235977211002296
-
30 2026-08-29 10:40 639235966864596836
10 ms 156.154.66.158
29 2026-08-29 10:23 639235956590882003
20 ms 156.154.66.158
28 2026-08-29 09:29 639235924465736791
10 ms 156.154.66.158
27 2026-08-29 09:13 639235914430611197
22 ms 156.154.66.158
26 2026-08-29 08:56 639235904343784853
116 ms 156.154.66.158
25 2026-08-29 08:39 639235894201078068
8 ms 156.154.66.158
24 2026-08-29 08:22 639235884233447452
36 ms 156.154.66.158
23 2026-08-29 08:05 639235874142207309
17 ms 156.154.66.158
22 2026-08-29 07:49 639235863974652466
11 ms 156.154.66.158
21 2026-08-29 07:31 639235853716243436
3 ms 156.154.66.158
20 2026-08-29 07:15 639235843614494759
27 ms 156.154.66.158
19 2026-08-29 06:58 639235833401459551
23 ms 156.154.66.158
18 2026-08-29 06:41 639235823220464528
29 ms 156.154.66.158
17 2026-08-29 06:24 639235812997510905
82 ms 156.154.66.158
16 2026-08-29 05:30 639235781101962521
8 ms 156.154.66.158
15 2026-08-29 05:14 639235771207673260
2027 ms 156.154.66.158
14 2026-08-29 04:57 639235761047429642
26 ms 156.154.66.158
13 2026-08-29 04:40 639235750964347246
8 ms 156.154.66.158
12 2026-08-29 04:23 639235740923490874
50 ms 156.154.66.158
11 2026-08-29 04:07 639235730842894399
40 ms 156.154.66.158
10 2026-08-29 03:50 639235720760084717
9 ms 156.154.66.158
9 2026-08-29 03:33 639235710843666743
11 ms 156.154.66.158
8 2026-08-29 03:17 639235700733510561
14 ms 156.154.66.158
7 2026-08-29 02:59 639235690509906192
10 ms 156.154.66.158
6 2026-08-29 02:42 639235680156673501
8 ms 156.154.66.158
5 2026-08-29 02:25 639235669720606443
32 ms 156.154.66.158
4 2026-08-29 01:31 639235637451417084
2009 ms 156.154.66.158
3 2026-08-29 01:14 639235627307383453
25 ms 156.154.66.158
2 2026-08-29 00:57 639235616906386856
22 ms 156.154.66.158
1 2026-08-29 00:40 639235606582912691
17 ms 156.154.66.158