DNS response history for pdns201.ultradns.net

pdns201.ultradns.net 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 2026-08-26. For this date, NameServerHistory found 50 DNS check records, 50 successful responses, 0 failed responses, and 265 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.net.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

265 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.65.201

Most recently resolved hosting IP on selected date

Successful Responses

50

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.net

Showing DNS history for 2026-08-26 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 2026-08-26 16:44 639233593269224651
19 ms 156.154.65.201
49 2026-08-26 16:26 639233582635086903
19 ms 156.154.65.201
48 2026-08-26 16:09 639233572000374575
10 ms 156.154.65.201
47 2026-08-26 15:51 639233561188633861
20 ms 156.154.65.201
46 2026-08-26 15:33 639233550544357027
2015 ms 156.154.65.201
45 2026-08-26 14:38 639233517966053117
32 ms 156.154.65.201
44 2026-08-26 14:21 639233507603253585
14 ms 156.154.65.201
43 2026-08-26 14:04 639233497229039167
5 ms 156.154.65.201
42 2026-08-26 13:47 639233486864546406
12 ms 156.154.65.201
41 2026-08-26 13:29 639233476455174682
12 ms 156.154.65.201
40 2026-08-26 13:12 639233466171592605
34 ms 156.154.65.201
39 2026-08-26 12:55 639233455747096265
28 ms 156.154.65.201
38 2026-08-26 12:37 639233445367152284
18 ms 156.154.65.201
37 2026-08-26 12:20 639233434974187439
2012 ms 156.154.65.201
36 2026-08-26 12:03 639233424567558554
12 ms 156.154.65.201
35 2026-08-26 11:45 639233414056832719
25 ms 156.154.65.201
34 2026-08-26 11:28 639233403515141099
11 ms 156.154.65.201
33 2026-08-26 10:33 639233370841350248
2015 ms 156.154.65.201
32 2026-08-26 10:16 639233360361507238
106 ms 156.154.65.201
31 2026-08-26 09:59 639233350067824371
24 ms 156.154.65.201
30 2026-08-26 09:41 639233339545274518
15 ms 156.154.65.201
29 2026-08-26 09:24 639233329214918079
62 ms 156.154.65.201
28 2026-08-26 09:07 639233318749762337
49 ms 156.154.65.201
27 2026-08-26 08:49 639233308387917838
14 ms 156.154.65.201
26 2026-08-26 08:32 639233297961740122
33 ms 156.154.65.201
25 2026-08-26 08:14 639233287487159094
12 ms 156.154.65.201
24 2026-08-26 07:57 639233276995531707
48 ms 156.154.65.201
23 2026-08-26 07:39 639233266521568229
52 ms 156.154.65.201
22 2026-08-26 07:22 639233256081047431
25 ms 156.154.65.201
21 2026-08-26 06:28 639233223620132921
35 ms 156.154.65.201
20 2026-08-26 06:11 639233213287814244
32 ms 156.154.65.201
19 2026-08-26 05:53 639233202925983161
22 ms 156.154.65.201
18 2026-08-26 05:36 639233192644780696
2048 ms 156.154.65.201
17 2026-08-26 05:19 639233182401183833
11 ms 156.154.65.201
16 2026-08-26 05:02 639233172074181051
2039 ms 156.154.65.201
15 2026-08-26 04:45 639233161808421455
37 ms 156.154.65.201
14 2026-08-26 04:27 639233151357344052
28 ms 156.154.65.201
13 2026-08-26 04:10 639233141034116946
9 ms 156.154.65.201
12 2026-08-26 03:53 639233130828334142
2019 ms 156.154.65.201
11 2026-08-26 03:36 639233120373450007
20 ms 156.154.65.201
10 2026-08-26 03:19 639233110066216193
44 ms 156.154.65.201
9 2026-08-26 02:25 639233078065410564
17 ms 156.154.65.201
8 2026-08-26 02:08 639233067787457832
38 ms 156.154.65.201
7 2026-08-26 01:51 639233057501801162
6 ms 156.154.65.201
6 2026-08-26 01:34 639233047089431703
14 ms 156.154.65.201
5 2026-08-26 01:17 639233036754790688
32 ms 156.154.65.201
4 2026-08-26 00:59 639233026412602472
32 ms 156.154.65.201
3 2026-08-26 00:42 639233016064066127
6 ms 156.154.65.201
2 2026-08-26 00:25 639233005922655772
5 ms 156.154.65.201
1 2026-08-26 00:08 639232995672256907
3 ms 156.154.65.201