DNS response history for pdns100.ultradns.biz

pdns100.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 47 DNS check records, 47 successful responses, 0 failed responses, and 258 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 pdns100.ultradns.biz.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

258 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 16:23

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.100

Most recently resolved hosting IP on selected date

Successful Responses

47

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 pdns100.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
47 2026-09-01 16:23 639238765754785418
10 ms 156.154.66.100
46 2026-09-01 16:06 639238755323991033
13 ms 156.154.66.100
45 2026-09-01 15:48 639238744754881753
57 ms 156.154.66.100
44 2026-09-01 15:31 639238734176021898
2033 ms 156.154.66.100
43 2026-09-01 15:13 639238723349432115
12 ms 156.154.66.100
42 2026-09-01 14:19 639238690993873259
26 ms 156.154.66.100
41 2026-09-01 14:02 639238680658140472
7 ms 156.154.66.100
40 2026-09-01 13:44 639238670295233158
89 ms 156.154.66.100
39 2026-09-01 13:27 639238659704397018
43 ms 156.154.66.100
38 2026-09-01 13:09 639238649308394463
21 ms 156.154.66.100
37 2026-09-01 12:52 639238638904588883
40 ms 156.154.66.100
36 2026-09-01 12:35 639238628486902752
63 ms 156.154.66.100
35 2026-09-01 12:17 639238617906743100
11 ms 156.154.66.100
34 2026-09-01 12:00 639238607506044626
39 ms 156.154.66.100
33 2026-09-01 11:42 639238597040761406
11 ms 156.154.66.100
32 2026-09-01 11:24 639238586261546969
13 ms 156.154.66.100
31 2026-09-01 11:06 639238575587642333
16 ms 156.154.66.100
30 2026-09-01 10:12 639238543127398267
21 ms 156.154.66.100
29 2026-09-01 09:55 639238532668234016
18 ms 156.154.66.100
28 2026-09-01 09:37 639238522029321761
28 ms 156.154.66.100
27 2026-09-01 09:20 639238511519050351
11 ms 156.154.66.100
26 2026-09-01 09:02 639238500942239673
33 ms 156.154.66.100
25 2026-09-01 08:45 639238490412377398
14 ms 156.154.66.100
24 2026-09-01 08:27 639238479833203021
17 ms 156.154.66.100
23 2026-09-01 08:09 639238469140507479
19 ms 156.154.66.100
22 2026-09-01 07:51 639238458443560361
10 ms 156.154.66.100
21 2026-09-01 07:33 639238447694851502
18 ms 156.154.66.100
20 2026-09-01 07:15 639238436624109087
26 ms 156.154.66.100
19 2026-09-01 06:56 639238425565611335
14 ms 156.154.66.100
18 2026-09-01 06:01 639238392250222581
11 ms 156.154.66.100
17 2026-09-01 05:43 639238381322537831
22 ms 156.154.66.100
16 2026-09-01 05:24 639238370248186084
8 ms 156.154.66.100
15 2026-09-01 05:06 639238359264687845
2995 ms 156.154.66.100
14 2026-09-01 04:48 639238348534621818
57 ms 156.154.66.100
13 2026-09-01 04:30 639238337725739433
38 ms 156.154.66.100
12 2026-09-01 04:12 639238326844749368
9 ms 156.154.66.100
11 2026-09-01 03:53 639238315792024737
10 ms 156.154.66.100
10 2026-09-01 03:35 639238304931064768
4037 ms 156.154.66.100
9 2026-09-01 03:17 639238294131483803
11 ms 156.154.66.100
8 2026-09-01 02:59 639238283314985519
9 ms 156.154.66.100
7 2026-09-01 02:41 639238272374093187
19 ms 156.154.66.100
6 2026-09-01 01:47 639238240032549922
44 ms 156.154.66.100
5 2026-09-01 01:29 639238229204177368
2043 ms 156.154.66.100
4 2026-09-01 01:11 639238218326150282
8 ms 156.154.66.100
3 2026-09-01 00:53 639238207574700853
26 ms 156.154.66.100
2 2026-09-01 00:35 639238196660283915
20 ms 156.154.66.100
1 2026-09-01 00:17 639238185782358546
17 ms 156.154.66.100