DNS response history for pdns147.ultradns.biz

pdns147.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 2026-09-01. For this date, NameServerHistory found 43 DNS check records, 42 successful responses, 1 failed responses, and 125 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 pdns147.ultradns.biz.
Records on Selected Date

43

Historical checks stored for this nameserver on selected date

Average Latency

125 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 14:21

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.147

Most recently resolved hosting IP on selected date

Successful Responses

42

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 pdns147.ultradns.biz

Showing DNS history for 2026-09-01 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
43 2026-09-01 14:21 639238690993873259
2020 ms 156.154.66.147
42 2026-09-01 14:03 639238680658140472
35 ms 156.154.66.147
41 2026-09-01 13:46 639238670295233158
24 ms 156.154.66.147
40 2026-09-01 13:29 639238659704397018
27 ms 156.154.66.147
39 2026-09-01 13:11 639238649308394463
17 ms 156.154.66.147
38 2026-09-01 12:54 639238638904588883
54 ms 156.154.66.147
37 2026-09-01 12:36 639238628486902752
12 ms 156.154.66.147
36 2026-09-01 12:19 639238617906743100
54 ms 156.154.66.147
35 2026-09-01 12:02 639238607506044626
31 ms 156.154.66.147
34 2026-09-01 11:44 639238597040761406
-
33 2026-09-01 11:26 639238586261546969
31 ms 156.154.66.147
32 2026-09-01 11:08 639238575587642333
17 ms 156.154.66.147
31 2026-09-01 10:14 639238543127398267
27 ms 156.154.66.147
30 2026-09-01 09:57 639238532668234016
13 ms 156.154.66.147
29 2026-09-01 09:39 639238522029321761
8 ms 156.154.66.147
28 2026-09-01 09:21 639238511519050351
25 ms 156.154.66.147
27 2026-09-01 09:04 639238500942239673
17 ms 156.154.66.147
26 2026-09-01 08:46 639238490412377398
10 ms 156.154.66.147
25 2026-09-01 08:29 639238479833203021
51 ms 156.154.66.147
24 2026-09-01 08:11 639238469140507479
113 ms 156.154.66.147
23 2026-09-01 07:53 639238458443560361
39 ms 156.154.66.147
22 2026-09-01 07:35 639238447694851502
36 ms 156.154.66.147
21 2026-09-01 07:17 639238436624109087
21 ms 156.154.66.147
20 2026-09-01 06:58 639238425565611335
18 ms 156.154.66.147
19 2026-09-01 06:03 639238392250222581
36 ms 156.154.66.147
18 2026-09-01 05:45 639238381322537831
34 ms 156.154.66.147
17 2026-09-01 05:26 639238370248186084
16 ms 156.154.66.147
16 2026-09-01 05:08 639238359264687845
2032 ms 156.154.66.147
15 2026-09-01 04:50 639238348534621818
34 ms 156.154.66.147
14 2026-09-01 04:32 639238337725739433
31 ms 156.154.66.147
13 2026-09-01 04:14 639238326844749368
17 ms 156.154.66.147
12 2026-09-01 03:55 639238315792024737
12 ms 156.154.66.147
11 2026-09-01 03:37 639238304931064768
38 ms 156.154.66.147
10 2026-09-01 03:19 639238294131483803
21 ms 156.154.66.147
9 2026-09-01 03:01 639238283314985519
23 ms 156.154.66.147
8 2026-09-01 02:43 639238272374093187
11 ms 156.154.66.147
7 2026-09-01 01:49 639238240032549922
24 ms 156.154.66.147
6 2026-09-01 01:31 639238229204177368
8 ms 156.154.66.147
5 2026-09-01 01:13 639238218326150282
38 ms 156.154.66.147
4 2026-09-01 00:55 639238207574700853
10 ms 156.154.66.147
3 2026-09-01 00:37 639238196660283915
90 ms 156.154.66.147
2 2026-09-01 00:19 639238185782358546
26 ms 156.154.66.147
1 2026-09-01 00:01 639238175054391781
61 ms 156.154.66.147