DNS response history for pdns201.ultradns.biz

pdns201.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 41 DNS check records, 41 successful responses, 0 failed responses, and 377 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 pdns201.ultradns.biz.
Records on Selected Date

41

Historical checks stored for this nameserver on selected date

Average Latency

377 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 13:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.201

Most recently resolved hosting IP on selected date

Successful Responses

41

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 pdns201.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
41 2026-09-01 13:48 639238670295233158
2057 ms 156.154.66.201
40 2026-09-01 13:30 639238659704397018
13 ms 156.154.66.201
39 2026-09-01 13:13 639238649308394463
69 ms 156.154.66.201
38 2026-09-01 12:55 639238638904588883
20 ms 156.154.66.201
37 2026-09-01 12:38 639238628486902752
40 ms 156.154.66.201
36 2026-09-01 12:20 639238617906743100
30 ms 156.154.66.201
35 2026-09-01 12:03 639238607506044626
2058 ms 156.154.66.201
34 2026-09-01 11:45 639238597040761406
42 ms 156.154.66.201
33 2026-09-01 11:28 639238586261546969
17 ms 156.154.66.201
32 2026-09-01 11:10 639238575587642333
48 ms 156.154.66.201
31 2026-09-01 10:16 639238543127398267
145 ms 156.154.66.201
30 2026-09-01 09:58 639238532668234016
17 ms 156.154.66.201
29 2026-09-01 09:41 639238522029321761
2062 ms 156.154.66.201
28 2026-09-01 09:23 639238511519050351
57 ms 156.154.66.201
27 2026-09-01 09:05 639238500942239673
12 ms 156.154.66.201
26 2026-09-01 08:48 639238490412377398
21 ms 156.154.66.201
25 2026-09-01 08:30 639238479833203021
26 ms 156.154.66.201
24 2026-09-01 08:12 639238469140507479
21 ms 156.154.66.201
23 2026-09-01 07:54 639238458443560361
129 ms 156.154.66.201
22 2026-09-01 07:37 639238447694851502
12 ms 156.154.66.201
21 2026-09-01 07:18 639238436624109087
17 ms 156.154.66.201
20 2026-09-01 07:00 639238425565611335
9 ms 156.154.66.201
19 2026-09-01 06:04 639238392250222581
22 ms 156.154.66.201
18 2026-09-01 05:46 639238381322537831
4012 ms 156.154.66.201
17 2026-09-01 05:28 639238370248186084
22 ms 156.154.66.201
16 2026-09-01 05:09 639238359264687845
2040 ms 156.154.66.201
15 2026-09-01 04:51 639238348534621818
50 ms 156.154.66.201
14 2026-09-01 04:33 639238337725739433
13 ms 156.154.66.201
13 2026-09-01 04:15 639238326844749368
26 ms 156.154.66.201
12 2026-09-01 03:57 639238315792024737
32 ms 156.154.66.201
11 2026-09-01 03:39 639238304931064768
10 ms 156.154.66.201
10 2026-09-01 03:21 639238294131483803
10 ms 156.154.66.201
9 2026-09-01 03:03 639238283314985519
11 ms 156.154.66.201
8 2026-09-01 02:44 639238272374093187
2056 ms 156.154.66.201
7 2026-09-01 01:50 639238240032549922
10 ms 156.154.66.201
6 2026-09-01 01:33 639238229204177368
10 ms 156.154.66.201
5 2026-09-01 01:14 639238218326150282
127 ms 156.154.66.201
4 2026-09-01 00:56 639238207574700853
23 ms 156.154.66.201
3 2026-09-01 00:38 639238196660283915
28 ms 156.154.66.201
2 2026-09-01 00:20 639238185782358546
24 ms 156.154.66.201
1 2026-09-01 00:02 639238175054391781
9 ms 156.154.66.201