DNS response history for pdns135.ultradns.org

pdns135.ultradns.org 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 63 DNS check records, 63 successful responses, 0 failed responses, and 269 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 pdns135.ultradns.org.
Records on Selected Date

63

Historical checks stored for this nameserver on selected date

Average Latency

269 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 21:12

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.135

Most recently resolved hosting IP on selected date

Successful Responses

63

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 pdns135.ultradns.org

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
63 2026-08-26 21:12 639233752543876329
11 ms 156.154.67.135
62 2026-08-26 20:55 639233742155931788
157 ms 156.154.67.135
61 2026-08-26 20:38 639233731712555311
29 ms 156.154.67.135
60 2026-08-26 20:20 639233721164051126
32 ms 156.154.67.135
59 2026-08-26 20:02 639233710560486320
27 ms 156.154.67.135
58 2026-08-26 19:44 639233699834667450
16 ms 156.154.67.135
57 2026-08-26 18:50 639233667209186136
153 ms 156.154.67.135
56 2026-08-26 18:33 639233656814316266
41 ms 156.154.67.135
55 2026-08-26 18:15 639233646245051806
75 ms 156.154.67.135
54 2026-08-26 17:58 639233635663779051
11 ms 156.154.67.135
53 2026-08-26 17:40 639233624977342122
12 ms 156.154.67.135
52 2026-08-26 17:22 639233614446136153
18 ms 156.154.67.135
51 2026-08-26 17:04 639233603737877581
24 ms 156.154.67.135
50 2026-08-26 16:47 639233593269224651
27 ms 156.154.67.135
49 2026-08-26 16:29 639233582635086903
16 ms 156.154.67.135
48 2026-08-26 16:11 639233572000374575
13 ms 156.154.67.135
47 2026-08-26 15:53 639233561188633861
12 ms 156.154.67.135
46 2026-08-26 15:36 639233550544357027
400 ms 156.154.67.135
45 2026-08-26 14:41 639233517966053117
17 ms 156.154.67.135
44 2026-08-26 14:24 639233507603253585
155 ms 156.154.67.135
43 2026-08-26 14:07 639233497229039167
259 ms 156.154.67.135
42 2026-08-26 13:49 639233486864546406
20 ms 156.154.67.135
41 2026-08-26 13:32 639233476455174682
12 ms 156.154.67.135
40 2026-08-26 13:15 639233466171592605
19 ms 156.154.67.135
39 2026-08-26 12:58 639233455747096265
12 ms 156.154.67.135
38 2026-08-26 12:40 639233445367152284
20 ms 156.154.67.135
37 2026-08-26 12:23 639233434974187439
40 ms 156.154.67.135
36 2026-08-26 12:06 639233424567558554
31 ms 156.154.67.135
35 2026-08-26 11:48 639233414056832719
2082 ms 156.154.67.135
34 2026-08-26 11:31 639233403515141099
2031 ms 156.154.67.135
33 2026-08-26 10:36 639233370841350248
65 ms 156.154.67.135
32 2026-08-26 10:19 639233360361507238
9 ms 156.154.67.135
31 2026-08-26 10:02 639233350067824371
46 ms 156.154.67.135
30 2026-08-26 09:44 639233339545274518
14 ms 156.154.67.135
29 2026-08-26 09:27 639233329214918079
83 ms 156.154.67.135
28 2026-08-26 09:09 639233318749762337
42 ms 156.154.67.135
27 2026-08-26 08:52 639233308387917838
2013 ms 156.154.67.135
26 2026-08-26 08:35 639233297961740122
16 ms 156.154.67.135
25 2026-08-26 08:17 639233287487159094
62 ms 156.154.67.135
24 2026-08-26 08:00 639233276995531707
13 ms 156.154.67.135
23 2026-08-26 07:42 639233266521568229
24 ms 156.154.67.135
22 2026-08-26 07:25 639233256081047431
2012 ms 156.154.67.135
21 2026-08-26 06:31 639233223620132921
16 ms 156.154.67.135
20 2026-08-26 06:14 639233213287814244
92 ms 156.154.67.135
19 2026-08-26 05:56 639233202925983161
24 ms 156.154.67.135
18 2026-08-26 05:39 639233192644780696
10 ms 156.154.67.135
17 2026-08-26 05:22 639233182401183833
17 ms 156.154.67.135
16 2026-08-26 05:05 639233172074181051
60 ms 156.154.67.135
15 2026-08-26 04:48 639233161808421455
23 ms 156.154.67.135
14 2026-08-26 04:30 639233151357344052
19 ms 156.154.67.135
13 2026-08-26 04:13 639233141034116946
11 ms 156.154.67.135
12 2026-08-26 03:56 639233130828334142
107 ms 156.154.67.135
11 2026-08-26 03:39 639233120373450007
24 ms 156.154.67.135
10 2026-08-26 03:22 639233110066216193
27 ms 156.154.67.135
9 2026-08-26 02:28 639233078065410564
9 ms 156.154.67.135
8 2026-08-26 02:11 639233067787457832
11 ms 156.154.67.135
7 2026-08-26 01:54 639233057501801162
10 ms 156.154.67.135
6 2026-08-26 01:37 639233047089431703
22 ms 156.154.67.135
5 2026-08-26 01:19 639233036754790688
2025 ms 156.154.67.135
4 2026-08-26 01:02 639233026412602472
34 ms 156.154.67.135
3 2026-08-26 00:45 639233016064066127
2042 ms 156.154.67.135
2 2026-08-26 00:28 639233005922655772
2025 ms 156.154.67.135
1 2026-08-26 00:11 639232995672256907
145 ms 156.154.67.135