DNS response history for pdns220.ultradns.biz

pdns220.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 46 DNS check records, 46 successful responses, 0 failed responses, and 212 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 pdns220.ultradns.biz.
Records on Selected Date

46

Historical checks stored for this nameserver on selected date

Average Latency

212 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-01 15:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.220

Most recently resolved hosting IP on selected date

Successful Responses

46

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 pdns220.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
46 2026-09-01 15:52 639238744754881753
42 ms 156.154.66.220
45 2026-09-01 15:35 639238734176021898
18 ms 156.154.66.220
44 2026-09-01 15:17 639238723349432115
10 ms 156.154.66.220
43 2026-09-01 14:23 639238690993873259
42 ms 156.154.66.220
42 2026-09-01 14:06 639238680658140472
7 ms 156.154.66.220
41 2026-09-01 13:48 639238670295233158
31 ms 156.154.66.220
40 2026-09-01 13:31 639238659704397018
44 ms 156.154.66.220
39 2026-09-01 13:13 639238649308394463
7 ms 156.154.66.220
38 2026-09-01 12:56 639238638904588883
51 ms 156.154.66.220
37 2026-09-01 12:38 639238628486902752
20 ms 156.154.66.220
36 2026-09-01 12:21 639238617906743100
25 ms 156.154.66.220
35 2026-09-01 12:03 639238607506044626
30 ms 156.154.66.220
34 2026-09-01 11:46 639238597040761406
42 ms 156.154.66.220
33 2026-09-01 11:28 639238586261546969
9 ms 156.154.66.220
32 2026-09-01 11:10 639238575587642333
18 ms 156.154.66.220
31 2026-09-01 10:16 639238543127398267
21 ms 156.154.66.220
30 2026-09-01 09:59 639238532668234016
14 ms 156.154.66.220
29 2026-09-01 09:41 639238522029321761
10 ms 156.154.66.220
28 2026-09-01 09:23 639238511519050351
34 ms 156.154.66.220
27 2026-09-01 09:06 639238500942239673
9 ms 156.154.66.220
26 2026-09-01 08:48 639238490412377398
27 ms 156.154.66.220
25 2026-09-01 08:31 639238479833203021
12 ms 156.154.66.220
24 2026-09-01 08:13 639238469140507479
12 ms 156.154.66.220
23 2026-09-01 07:55 639238458443560361
10 ms 156.154.66.220
22 2026-09-01 07:37 639238447694851502
2026 ms 156.154.66.220
21 2026-09-01 07:19 639238436624109087
17 ms 156.154.66.220
20 2026-09-01 07:00 639238425565611335
34 ms 156.154.66.220
19 2026-09-01 06:05 639238392250222581
36 ms 156.154.66.220
18 2026-09-01 05:47 639238381322537831
33 ms 156.154.66.220
17 2026-09-01 05:28 639238370248186084
34 ms 156.154.66.220
16 2026-09-01 05:10 639238359264687845
24 ms 156.154.66.220
15 2026-09-01 04:52 639238348534621818
11 ms 156.154.66.220
14 2026-09-01 04:34 639238337725739433
8 ms 156.154.66.220
13 2026-09-01 04:16 639238326844749368
104 ms 156.154.66.220
12 2026-09-01 03:57 639238315792024737
19 ms 156.154.66.220
11 2026-09-01 03:39 639238304931064768
9 ms 156.154.66.220
10 2026-09-01 03:21 639238294131483803
26 ms 156.154.66.220
9 2026-09-01 03:03 639238283314985519
2012 ms 156.154.66.220
8 2026-09-01 02:45 639238272374093187
20 ms 156.154.66.220
7 2026-09-01 01:51 639238240032549922
12 ms 156.154.66.220
6 2026-09-01 01:33 639238229204177368
23 ms 156.154.66.220
5 2026-09-01 01:15 639238218326150282
2068 ms 156.154.66.220
4 2026-09-01 00:57 639238207574700853
10 ms 156.154.66.220
3 2026-09-01 00:39 639238196660283915
57 ms 156.154.66.220
2 2026-09-01 00:21 639238185782358546
603 ms 156.154.66.220
1 2026-09-01 00:03 639238175054391781
2008 ms 156.154.66.220