DNS response history for pdns147.ultradns.com

pdns147.ultradns.com 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, 66 successful responses, 0 failed responses, and 300 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 pdns147.ultradns.com.
Records on Selected Date

66

Historical checks stored for this nameserver on selected date

Average Latency

300 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 22:00

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.147

Most recently resolved hosting IP on selected date

Successful Responses

66

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 pdns147.ultradns.com

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 22:00 639233783644630463
14 ms 156.154.64.147
65 2026-08-26 21:43 639233773302621314
16 ms 156.154.64.147
64 2026-08-26 21:26 639233762896723748
46 ms 156.154.64.147
63 2026-08-26 21:08 639233752543876329
24 ms 156.154.64.147
62 2026-08-26 20:51 639233742155931788
25 ms 156.154.64.147
61 2026-08-26 20:34 639233731712555311
23 ms 156.154.64.147
60 2026-08-26 20:16 639233721164051126
22 ms 156.154.64.147
59 2026-08-26 19:58 639233710560486320
10 ms 156.154.64.147
58 2026-08-26 19:41 639233699834667450
2049 ms 156.154.64.147
57 2026-08-26 18:46 639233667209186136
37 ms 156.154.64.147
56 2026-08-26 18:29 639233656814316266
11 ms 156.154.64.147
55 2026-08-26 18:11 639233646245051806
3 ms 156.154.64.147
54 2026-08-26 17:54 639233635663779051
4 ms 156.154.64.147
53 2026-08-26 17:36 639233624977342122
11 ms 156.154.64.147
52 2026-08-26 17:18 639233614446136153
17 ms 156.154.64.147
51 2026-08-26 17:00 639233603737877581
20 ms 156.154.64.147
50 2026-08-26 16:43 639233593269224651
10 ms 156.154.64.147
49 2026-08-26 16:25 639233582635086903
22 ms 156.154.64.147
48 2026-08-26 16:07 639233572000374575
12 ms 156.154.64.147
47 2026-08-26 15:50 639233561188633861
10 ms 156.154.64.147
46 2026-08-26 15:32 639233550544357027
27 ms 156.154.64.147
45 2026-08-26 14:37 639233517966053117
11 ms 156.154.64.147
44 2026-08-26 14:20 639233507603253585
23 ms 156.154.64.147
43 2026-08-26 14:03 639233497229039167
13 ms 156.154.64.147
42 2026-08-26 13:46 639233486864546406
30 ms 156.154.64.147
41 2026-08-26 13:28 639233476455174682
20 ms 156.154.64.147
40 2026-08-26 13:11 639233466171592605
26 ms 156.154.64.147
39 2026-08-26 12:54 639233455747096265
2079 ms 156.154.64.147
38 2026-08-26 12:36 639233445367152284
10 ms 156.154.64.147
37 2026-08-26 12:19 639233434974187439
23 ms 156.154.64.147
36 2026-08-26 12:02 639233424567558554
40 ms 156.154.64.147
35 2026-08-26 11:44 639233414056832719
32 ms 156.154.64.147
34 2026-08-26 11:27 639233403515141099
30 ms 156.154.64.147
33 2026-08-26 10:32 639233370841350248
4011 ms 156.154.64.147
32 2026-08-26 10:15 639233360361507238
112 ms 156.154.64.147
31 2026-08-26 09:58 639233350067824371
15 ms 156.154.64.147
30 2026-08-26 09:40 639233339545274518
23 ms 156.154.64.147
29 2026-08-26 09:23 639233329214918079
2017 ms 156.154.64.147
28 2026-08-26 09:05 639233318749762337
40 ms 156.154.64.147
27 2026-08-26 08:48 639233308387917838
23 ms 156.154.64.147
26 2026-08-26 08:31 639233297961740122
115 ms 156.154.64.147
25 2026-08-26 08:13 639233287487159094
31 ms 156.154.64.147
24 2026-08-26 07:56 639233276995531707
10 ms 156.154.64.147
23 2026-08-26 07:38 639233266521568229
27 ms 156.154.64.147
22 2026-08-26 07:21 639233256081047431
2086 ms 156.154.64.147
21 2026-08-26 06:27 639233223620132921
48 ms 156.154.64.147
20 2026-08-26 06:10 639233213287814244
74 ms 156.154.64.147
19 2026-08-26 05:52 639233202925983161
24 ms 156.154.64.147
18 2026-08-26 05:35 639233192644780696
20 ms 156.154.64.147
17 2026-08-26 05:18 639233182401183833
9 ms 156.154.64.147
16 2026-08-26 05:01 639233172074181051
30 ms 156.154.64.147
15 2026-08-26 04:44 639233161808421455
2063 ms 156.154.64.147
14 2026-08-26 04:26 639233151357344052
23 ms 156.154.64.147
13 2026-08-26 04:09 639233141034116946
9 ms 156.154.64.147
12 2026-08-26 03:52 639233130828334142
13 ms 156.154.64.147
11 2026-08-26 03:35 639233120373450007
2038 ms 156.154.64.147
10 2026-08-26 03:18 639233110066216193
37 ms 156.154.64.147
9 2026-08-26 02:24 639233078065410564
2035 ms 156.154.64.147
8 2026-08-26 02:07 639233067787457832
12 ms 156.154.64.147
7 2026-08-26 01:50 639233057501801162
9 ms 156.154.64.147
6 2026-08-26 01:33 639233047089431703
10 ms 156.154.64.147
5 2026-08-26 01:15 639233036754790688
38 ms 156.154.64.147
4 2026-08-26 00:58 639233026412602472
11 ms 156.154.64.147
3 2026-08-26 00:41 639233016064066127
13 ms 156.154.64.147
2 2026-08-26 00:24 639233005922655772
9 ms 156.154.64.147
1 2026-08-26 00:07 639232995672256907
22 ms 156.154.64.147