DNS response history for pdns203.ultradns.biz

pdns203.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 50 DNS check records, 48 successful responses, 2 failed responses, and 365 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 pdns203.ultradns.biz.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

365 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 17:14

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.203

Most recently resolved hosting IP on selected date

Successful Responses

48

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns203.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
50 2026-09-01 17:14 639238796825574164
11 ms 156.154.66.203
49 2026-09-01 16:57 639238786534802963
2024 ms 156.154.66.203
48 2026-09-01 16:40 639238776025076085
8 ms 156.154.66.203
47 2026-09-01 16:23 639238765754785418
33 ms 156.154.66.203
46 2026-09-01 16:05 639238755323991033
10 ms 156.154.66.203
45 2026-09-01 15:48 639238744754881753
20 ms 156.154.66.203
44 2026-09-01 15:30 639238734176021898
24 ms 156.154.66.203
43 2026-09-01 15:12 639238723349432115
4014 ms 156.154.66.203
42 2026-09-01 14:18 639238690993873259
23 ms 156.154.66.203
41 2026-09-01 14:01 639238680658140472
25 ms 156.154.66.203
40 2026-09-01 13:44 639238670295233158
42 ms 156.154.66.203
39 2026-09-01 13:26 639238659704397018
512 ms 156.154.66.203
38 2026-09-01 13:09 639238649308394463
17 ms 156.154.66.203
37 2026-09-01 12:51 639238638904588883
19 ms 156.154.66.203
36 2026-09-01 12:34 639238628486902752
10 ms 156.154.66.203
35 2026-09-01 12:16 639238617906743100
15 ms 156.154.66.203
34 2026-09-01 11:59 639238607506044626
17 ms 156.154.66.203
33 2026-09-01 11:41 639238597040761406
31 ms 156.154.66.203
32 2026-09-01 11:24 639238586261546969
10 ms 156.154.66.203
31 2026-09-01 11:06 639238575587642333
27 ms 156.154.66.203
30 2026-09-01 10:12 639238543127398267
10 ms 156.154.66.203
29 2026-09-01 09:54 639238532668234016
26 ms 156.154.66.203
28 2026-09-01 09:36 639238522029321761
19 ms 156.154.66.203
27 2026-09-01 09:19 639238511519050351
10 ms 156.154.66.203
26 2026-09-01 09:01 639238500942239673
12 ms 156.154.66.203
25 2026-09-01 08:44 639238490412377398
5 ms 156.154.66.203
24 2026-09-01 08:26 639238479833203021
5 ms 156.154.66.203
23 2026-09-01 08:08 639238469140507479
-
22 2026-09-01 07:50 639238458443560361
32 ms 156.154.66.203
21 2026-09-01 07:33 639238447694851502
17 ms 156.154.66.203
20 2026-09-01 07:14 639238436624109087
13 ms 156.154.66.203
19 2026-09-01 06:56 639238425565611335
-
18 2026-09-01 06:00 639238392250222581
23 ms 156.154.66.203
17 2026-09-01 05:42 639238381322537831
48 ms 156.154.66.203
16 2026-09-01 05:23 639238370248186084
11 ms 156.154.66.203
15 2026-09-01 05:05 639238359264687845
9 ms 156.154.66.203
14 2026-09-01 04:47 639238348534621818
11 ms 156.154.66.203
13 2026-09-01 04:29 639238337725739433
38 ms 156.154.66.203
12 2026-09-01 04:11 639238326844749368
19 ms 156.154.66.203
11 2026-09-01 03:53 639238315792024737
2102 ms 156.154.66.203
10 2026-09-01 03:35 639238304931064768
10 ms 156.154.66.203
9 2026-09-01 03:17 639238294131483803
19 ms 156.154.66.203
8 2026-09-01 02:59 639238283314985519
2019 ms 156.154.66.203
7 2026-09-01 02:40 639238272374093187
61 ms 156.154.66.203
6 2026-09-01 01:46 639238240032549922
18 ms 156.154.66.203
5 2026-09-01 01:28 639238229204177368
2010 ms 156.154.66.203
4 2026-09-01 01:10 639238218326150282
2019 ms 156.154.66.203
3 2026-09-01 00:52 639238207574700853
10 ms 156.154.66.203
2 2026-09-01 00:34 639238196660283915
29 ms 156.154.66.203
1 2026-09-01 00:16 639238185782358546
2045 ms 156.154.66.203