DNS response history for pdns148.ultradns.com

pdns148.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 58 DNS check records, 57 successful responses, 1 failed responses, and 305 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 pdns148.ultradns.com.
Records on Selected Date

58

Historical checks stored for this nameserver on selected date

Average Latency

305 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 19:43

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.148

Most recently resolved hosting IP on selected date

Successful Responses

57

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 pdns148.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
58 2026-08-26 19:43 639233699834667450
10 ms 156.154.64.148
57 2026-08-26 18:48 639233667209186136
112 ms 156.154.64.148
56 2026-08-26 18:31 639233656814316266
21 ms 156.154.64.148
55 2026-08-26 18:14 639233646245051806
18 ms 156.154.64.148
54 2026-08-26 17:56 639233635663779051
11 ms 156.154.64.148
53 2026-08-26 17:38 639233624977342122
30 ms 156.154.64.148
52 2026-08-26 17:21 639233614446136153
12 ms 156.154.64.148
51 2026-08-26 17:03 639233603737877581
21 ms 156.154.64.148
50 2026-08-26 16:45 639233593269224651
2014 ms 156.154.64.148
49 2026-08-26 16:28 639233582635086903
24 ms 156.154.64.148
48 2026-08-26 16:10 639233572000374575
67 ms 156.154.64.148
47 2026-08-26 15:52 639233561188633861
109 ms 156.154.64.148
46 2026-08-26 15:34 639233550544357027
-
45 2026-08-26 14:40 639233517966053117
21 ms 156.154.64.148
44 2026-08-26 14:22 639233507603253585
23 ms 156.154.64.148
43 2026-08-26 14:05 639233497229039167
10 ms 156.154.64.148
42 2026-08-26 13:48 639233486864546406
26 ms 156.154.64.148
41 2026-08-26 13:31 639233476455174682
2013 ms 156.154.64.148
40 2026-08-26 13:13 639233466171592605
39 ms 156.154.64.148
39 2026-08-26 12:56 639233455747096265
12 ms 156.154.64.148
38 2026-08-26 12:39 639233445367152284
16 ms 156.154.64.148
37 2026-08-26 12:22 639233434974187439
44 ms 156.154.64.148
36 2026-08-26 12:04 639233424567558554
44 ms 156.154.64.148
35 2026-08-26 11:47 639233414056832719
33 ms 156.154.64.148
34 2026-08-26 11:29 639233403515141099
16 ms 156.154.64.148
33 2026-08-26 10:35 639233370841350248
2010 ms 156.154.64.148
32 2026-08-26 10:17 639233360361507238
16 ms 156.154.64.148
31 2026-08-26 10:00 639233350067824371
4011 ms 156.154.64.148
30 2026-08-26 09:42 639233339545274518
37 ms 156.154.64.148
29 2026-08-26 09:25 639233329214918079
54 ms 156.154.64.148
28 2026-08-26 09:08 639233318749762337
25 ms 156.154.64.148
27 2026-08-26 08:50 639233308387917838
2043 ms 156.154.64.148
26 2026-08-26 08:33 639233297961740122
18 ms 156.154.64.148
25 2026-08-26 08:16 639233287487159094
47 ms 156.154.64.148
24 2026-08-26 07:58 639233276995531707
17 ms 156.154.64.148
23 2026-08-26 07:41 639233266521568229
11 ms 156.154.64.148
22 2026-08-26 07:23 639233256081047431
23 ms 156.154.64.148
21 2026-08-26 06:29 639233223620132921
21 ms 156.154.64.148
20 2026-08-26 06:12 639233213287814244
14 ms 156.154.64.148
19 2026-08-26 05:55 639233202925983161
2023 ms 156.154.64.148
18 2026-08-26 05:38 639233192644780696
11 ms 156.154.64.148
17 2026-08-26 05:20 639233182401183833
17 ms 156.154.64.148
16 2026-08-26 05:03 639233172074181051
9 ms 156.154.64.148
15 2026-08-26 04:46 639233161808421455
11 ms 156.154.64.148
14 2026-08-26 04:29 639233151357344052
47 ms 156.154.64.148
13 2026-08-26 04:12 639233141034116946
17 ms 156.154.64.148
12 2026-08-26 03:54 639233130828334142
9 ms 156.154.64.148
11 2026-08-26 03:37 639233120373450007
2010 ms 156.154.64.148
10 2026-08-26 03:20 639233110066216193
20 ms 156.154.64.148
9 2026-08-26 02:27 639233078065410564
10 ms 156.154.64.148
8 2026-08-26 02:09 639233067787457832
22 ms 156.154.64.148
7 2026-08-26 01:52 639233057501801162
10 ms 156.154.64.148
6 2026-08-26 01:35 639233047089431703
31 ms 156.154.64.148
5 2026-08-26 01:18 639233036754790688
10 ms 156.154.64.148
4 2026-08-26 01:01 639233026412602472
10 ms 156.154.64.148
3 2026-08-26 00:43 639233016064066127
19 ms 156.154.64.148
2 2026-08-26 00:26 639233005922655772
10 ms 156.154.64.148
1 2026-08-26 00:09 639232995672256907
16 ms 156.154.64.148