DNS response history for pdns153.ultradns.biz

pdns153.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 42 DNS check records, 42 successful responses, 0 failed responses, and 355 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 pdns153.ultradns.biz.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

355 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 14:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.153

Most recently resolved hosting IP on selected date

Successful Responses

42

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 pdns153.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
42 2026-09-01 14:19 639238690993873259
37 ms 156.154.66.153
41 2026-09-01 14:02 639238680658140472
10 ms 156.154.66.153
40 2026-09-01 13:45 639238670295233158
12 ms 156.154.66.153
39 2026-09-01 13:27 639238659704397018
2059 ms 156.154.66.153
38 2026-09-01 13:10 639238649308394463
18 ms 156.154.66.153
37 2026-09-01 12:52 639238638904588883
40 ms 156.154.66.153
36 2026-09-01 12:35 639238628486902752
36 ms 156.154.66.153
35 2026-09-01 12:18 639238617906743100
11 ms 156.154.66.153
34 2026-09-01 12:00 639238607506044626
2016 ms 156.154.66.153
33 2026-09-01 11:43 639238597040761406
20 ms 156.154.66.153
32 2026-09-01 11:25 639238586261546969
16 ms 156.154.66.153
31 2026-09-01 11:07 639238575587642333
33 ms 156.154.66.153
30 2026-09-01 10:13 639238543127398267
11 ms 156.154.66.153
29 2026-09-01 09:56 639238532668234016
2035 ms 156.154.66.153
28 2026-09-01 09:38 639238522029321761
14 ms 156.154.66.153
27 2026-09-01 09:20 639238511519050351
20 ms 156.154.66.153
26 2026-09-01 09:03 639238500942239673
13 ms 156.154.66.153
25 2026-09-01 08:45 639238490412377398
13 ms 156.154.66.153
24 2026-09-01 08:27 639238479833203021
14 ms 156.154.66.153
23 2026-09-01 08:10 639238469140507479
15 ms 156.154.66.153
22 2026-09-01 07:52 639238458443560361
10 ms 156.154.66.153
21 2026-09-01 07:34 639238447694851502
13 ms 156.154.66.153
20 2026-09-01 07:15 639238436624109087
51 ms 156.154.66.153
19 2026-09-01 06:57 639238425565611335
32 ms 156.154.66.153
18 2026-09-01 06:01 639238392250222581
50 ms 156.154.66.153
17 2026-09-01 05:43 639238381322537831
10 ms 156.154.66.153
16 2026-09-01 05:25 639238370248186084
13 ms 156.154.66.153
15 2026-09-01 05:07 639238359264687845
10 ms 156.154.66.153
14 2026-09-01 04:49 639238348534621818
26 ms 156.154.66.153
13 2026-09-01 04:31 639238337725739433
2020 ms 156.154.66.153
12 2026-09-01 04:13 639238326844749368
2023 ms 156.154.66.153
11 2026-09-01 03:54 639238315792024737
2011 ms 156.154.66.153
10 2026-09-01 03:36 639238304931064768
12 ms 156.154.66.153
9 2026-09-01 03:18 639238294131483803
18 ms 156.154.66.153
8 2026-09-01 03:00 639238283314985519
9 ms 156.154.66.153
7 2026-09-01 02:42 639238272374093187
16 ms 156.154.66.153
6 2026-09-01 01:48 639238240032549922
30 ms 156.154.66.153
5 2026-09-01 01:30 639238229204177368
28 ms 156.154.66.153
4 2026-09-01 01:12 639238218326150282
17 ms 156.154.66.153
3 2026-09-01 00:54 639238207574700853
16 ms 156.154.66.153
2 2026-09-01 00:36 639238196660283915
14 ms 156.154.66.153
1 2026-09-01 00:17 639238185782358546
2023 ms 156.154.66.153