DNS response history for pdns101.ultradns.biz

pdns101.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 170 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 pdns101.ultradns.biz.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

170 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 14:04

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.101

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 pdns101.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 14:04 639238680658140472
26 ms 156.154.66.101
41 2026-09-01 13:47 639238670295233158
38 ms 156.154.66.101
40 2026-09-01 13:29 639238659704397018
10 ms 156.154.66.101
39 2026-09-01 13:12 639238649308394463
42 ms 156.154.66.101
38 2026-09-01 12:54 639238638904588883
58 ms 156.154.66.101
37 2026-09-01 12:37 639238628486902752
16 ms 156.154.66.101
36 2026-09-01 12:19 639238617906743100
55 ms 156.154.66.101
35 2026-09-01 12:02 639238607506044626
29 ms 156.154.66.101
34 2026-09-01 11:44 639238597040761406
33 ms 156.154.66.101
33 2026-09-01 11:27 639238586261546969
2011 ms 156.154.66.101
32 2026-09-01 11:09 639238575587642333
50 ms 156.154.66.101
31 2026-09-01 10:15 639238543127398267
15 ms 156.154.66.101
30 2026-09-01 09:57 639238532668234016
32 ms 156.154.66.101
29 2026-09-01 09:40 639238522029321761
13 ms 156.154.66.101
28 2026-09-01 09:22 639238511519050351
53 ms 156.154.66.101
27 2026-09-01 09:04 639238500942239673
2075 ms 156.154.66.101
26 2026-09-01 08:47 639238490412377398
13 ms 156.154.66.101
25 2026-09-01 08:29 639238479833203021
9 ms 156.154.66.101
24 2026-09-01 08:11 639238469140507479
3 ms 156.154.66.101
23 2026-09-01 07:54 639238458443560361
38 ms 156.154.66.101
22 2026-09-01 07:36 639238447694851502
19 ms 156.154.66.101
21 2026-09-01 07:17 639238436624109087
40 ms 156.154.66.101
20 2026-09-01 06:59 639238425565611335
36 ms 156.154.66.101
19 2026-09-01 06:03 639238392250222581
11 ms 156.154.66.101
18 2026-09-01 05:45 639238381322537831
25 ms 156.154.66.101
17 2026-09-01 05:27 639238370248186084
12 ms 156.154.66.101
16 2026-09-01 05:08 639238359264687845
11 ms 156.154.66.101
15 2026-09-01 04:50 639238348534621818
36 ms 156.154.66.101
14 2026-09-01 04:32 639238337725739433
26 ms 156.154.66.101
13 2026-09-01 04:14 639238326844749368
16 ms 156.154.66.101
12 2026-09-01 03:56 639238315792024737
22 ms 156.154.66.101
11 2026-09-01 03:38 639238304931064768
27 ms 156.154.66.101
10 2026-09-01 03:20 639238294131483803
2024 ms 156.154.66.101
9 2026-09-01 03:02 639238283314985519
47 ms 156.154.66.101
8 2026-09-01 02:43 639238272374093187
10 ms 156.154.66.101
7 2026-09-01 01:49 639238240032549922
27 ms 156.154.66.101
6 2026-09-01 01:32 639238229204177368
11 ms 156.154.66.101
5 2026-09-01 01:13 639238218326150282
39 ms 156.154.66.101
4 2026-09-01 00:55 639238207574700853
12 ms 156.154.66.101
3 2026-09-01 00:37 639238196660283915
17 ms 156.154.66.101
2 2026-09-01 00:19 639238185782358546
20 ms 156.154.66.101
1 2026-09-01 00:01 639238175054391781
24 ms 156.154.66.101