DNS response history for pdns109.ultradns.org

pdns109.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 66 DNS check records, 65 successful responses, 1 failed responses, and 131 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 pdns109.ultradns.org.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

131 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 22:05

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.109

Most recently resolved hosting IP on selected date

Successful Responses

65

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns109.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
66 2026-08-26 22:05 639233783644630463
-
65 2026-08-26 21:47 639233773302621314
31 ms 156.154.67.109
64 2026-08-26 21:30 639233762896723748
11 ms 156.154.67.109
63 2026-08-26 21:13 639233752543876329
273 ms 156.154.67.109
62 2026-08-26 20:56 639233742155931788
181 ms 156.154.67.109
61 2026-08-26 20:38 639233731712555311
33 ms 156.154.67.109
60 2026-08-26 20:21 639233721164051126
46 ms 156.154.67.109
59 2026-08-26 20:03 639233710560486320
2024 ms 156.154.67.109
58 2026-08-26 19:45 639233699834667450
9 ms 156.154.67.109
57 2026-08-26 18:51 639233667209186136
162 ms 156.154.67.109
56 2026-08-26 18:33 639233656814316266
28 ms 156.154.67.109
55 2026-08-26 18:16 639233646245051806
25 ms 156.154.67.109
54 2026-08-26 17:58 639233635663779051
34 ms 156.154.67.109
53 2026-08-26 17:41 639233624977342122
17 ms 156.154.67.109
52 2026-08-26 17:23 639233614446136153
11 ms 156.154.67.109
51 2026-08-26 17:05 639233603737877581
32 ms 156.154.67.109
50 2026-08-26 16:47 639233593269224651
8 ms 156.154.67.109
49 2026-08-26 16:30 639233582635086903
51 ms 156.154.67.109
48 2026-08-26 16:12 639233572000374575
2026 ms 156.154.67.109
47 2026-08-26 15:54 639233561188633861
12 ms 156.154.67.109
46 2026-08-26 15:36 639233550544357027
22 ms 156.154.67.109
45 2026-08-26 14:42 639233517966053117
10 ms 156.154.67.109
44 2026-08-26 14:25 639233507603253585
11 ms 156.154.67.109
43 2026-08-26 14:07 639233497229039167
281 ms 156.154.67.109
42 2026-08-26 13:50 639233486864546406
41 ms 156.154.67.109
41 2026-08-26 13:33 639233476455174682
57 ms 156.154.67.109
40 2026-08-26 13:16 639233466171592605
51 ms 156.154.67.109
39 2026-08-26 12:58 639233455747096265
21 ms 156.154.67.109
38 2026-08-26 12:41 639233445367152284
48 ms 156.154.67.109
37 2026-08-26 12:24 639233434974187439
22 ms 156.154.67.109
36 2026-08-26 12:06 639233424567558554
160 ms 156.154.67.109
35 2026-08-26 11:49 639233414056832719
12 ms 156.154.67.109
34 2026-08-26 11:31 639233403515141099
71 ms 156.154.67.109
33 2026-08-26 10:37 639233370841350248
10 ms 156.154.67.109
32 2026-08-26 10:19 639233360361507238
47 ms 156.154.67.109
31 2026-08-26 10:02 639233350067824371
15 ms 156.154.67.109
30 2026-08-26 09:45 639233339545274518
51 ms 156.154.67.109
29 2026-08-26 09:27 639233329214918079
56 ms 156.154.67.109
28 2026-08-26 09:10 639233318749762337
10 ms 156.154.67.109
27 2026-08-26 08:53 639233308387917838
2009 ms 156.154.67.109
26 2026-08-26 08:35 639233297961740122
5 ms 156.154.67.109
25 2026-08-26 08:18 639233287487159094
23 ms 156.154.67.109
24 2026-08-26 08:00 639233276995531707
4 ms 156.154.67.109
23 2026-08-26 07:43 639233266521568229
7 ms 156.154.67.109
22 2026-08-26 07:26 639233256081047431
14 ms 156.154.67.109
21 2026-08-26 06:31 639233223620132921
7 ms 156.154.67.109
20 2026-08-26 06:14 639233213287814244
25 ms 156.154.67.109
19 2026-08-26 05:57 639233202925983161
9 ms 156.154.67.109
18 2026-08-26 05:40 639233192644780696
55 ms 156.154.67.109
17 2026-08-26 05:23 639233182401183833
6 ms 156.154.67.109
16 2026-08-26 05:06 639233172074181051
38 ms 156.154.67.109
15 2026-08-26 04:48 639233161808421455
14 ms 156.154.67.109
14 2026-08-26 04:31 639233151357344052
7 ms 156.154.67.109
13 2026-08-26 04:14 639233141034116946
7 ms 156.154.67.109
12 2026-08-26 03:57 639233130828334142
11 ms 156.154.67.109
11 2026-08-26 03:39 639233120373450007
16 ms 156.154.67.109
10 2026-08-26 03:22 639233110066216193
38 ms 156.154.67.109
9 2026-08-26 02:29 639233078065410564
44 ms 156.154.67.109
8 2026-08-26 02:12 639233067787457832
10 ms 156.154.67.109
7 2026-08-26 01:55 639233057501801162
8 ms 156.154.67.109
6 2026-08-26 01:37 639233047089431703
8 ms 156.154.67.109
5 2026-08-26 01:20 639233036754790688
9 ms 156.154.67.109
4 2026-08-26 01:03 639233026412602472
33 ms 156.154.67.109
3 2026-08-26 00:46 639233016064066127
33 ms 156.154.67.109
2 2026-08-26 00:28 639233005922655772
15 ms 156.154.67.109
1 2026-08-26 00:12 639232995672256907
44 ms 156.154.67.109