DNS response history for pdns123.ultradns.com

pdns123.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 47 DNS check records, 47 successful responses, 0 failed responses, and 451 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 pdns123.ultradns.com.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

451 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.123

Most recently resolved hosting IP on selected date

Successful Responses

47

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 pdns123.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
47 2026-08-26 15:50 639233561188633861
22 ms 156.154.64.123
46 2026-08-26 15:32 639233550544357027
71 ms 156.154.64.123
45 2026-08-26 14:38 639233517966053117
34 ms 156.154.64.123
44 2026-08-26 14:21 639233507603253585
62 ms 156.154.64.123
43 2026-08-26 14:03 639233497229039167
12 ms 156.154.64.123
42 2026-08-26 13:46 639233486864546406
21 ms 156.154.64.123
41 2026-08-26 13:29 639233476455174682
28 ms 156.154.64.123
40 2026-08-26 13:12 639233466171592605
12 ms 156.154.64.123
39 2026-08-26 12:54 639233455747096265
2060 ms 156.154.64.123
38 2026-08-26 12:37 639233445367152284
10 ms 156.154.64.123
37 2026-08-26 12:20 639233434974187439
33 ms 156.154.64.123
36 2026-08-26 12:02 639233424567558554
21 ms 156.154.64.123
35 2026-08-26 11:45 639233414056832719
2047 ms 156.154.64.123
34 2026-08-26 11:27 639233403515141099
12 ms 156.154.64.123
33 2026-08-26 10:33 639233370841350248
18 ms 156.154.64.123
32 2026-08-26 10:15 639233360361507238
23 ms 156.154.64.123
31 2026-08-26 09:58 639233350067824371
43 ms 156.154.64.123
30 2026-08-26 09:41 639233339545274518
5 ms 156.154.64.123
29 2026-08-26 09:24 639233329214918079
2035 ms 156.154.64.123
28 2026-08-26 09:06 639233318749762337
2013 ms 156.154.64.123
27 2026-08-26 08:49 639233308387917838
22 ms 156.154.64.123
26 2026-08-26 08:31 639233297961740122
11 ms 156.154.64.123
25 2026-08-26 08:14 639233287487159094
4029 ms 156.154.64.123
24 2026-08-26 07:56 639233276995531707
14 ms 156.154.64.123
23 2026-08-26 07:39 639233266521568229
15 ms 156.154.64.123
22 2026-08-26 07:22 639233256081047431
2028 ms 156.154.64.123
21 2026-08-26 06:28 639233223620132921
4013 ms 156.154.64.123
20 2026-08-26 06:10 639233213287814244
17 ms 156.154.64.123
19 2026-08-26 05:53 639233202925983161
53 ms 156.154.64.123
18 2026-08-26 05:36 639233192644780696
18 ms 156.154.64.123
17 2026-08-26 05:19 639233182401183833
10 ms 156.154.64.123
16 2026-08-26 05:02 639233172074181051
34 ms 156.154.64.123
15 2026-08-26 04:44 639233161808421455
22 ms 156.154.64.123
14 2026-08-26 04:27 639233151357344052
19 ms 156.154.64.123
13 2026-08-26 04:10 639233141034116946
32 ms 156.154.64.123
12 2026-08-26 03:53 639233130828334142
38 ms 156.154.64.123
11 2026-08-26 03:35 639233120373450007
9 ms 156.154.64.123
10 2026-08-26 03:18 639233110066216193
2021 ms 156.154.64.123
9 2026-08-26 02:25 639233078065410564
81 ms 156.154.64.123
8 2026-08-26 02:08 639233067787457832
11 ms 156.154.64.123
7 2026-08-26 01:51 639233057501801162
14 ms 156.154.64.123
6 2026-08-26 01:33 639233047089431703
25 ms 156.154.64.123
5 2026-08-26 01:16 639233036754790688
10 ms 156.154.64.123
4 2026-08-26 00:59 639233026412602472
16 ms 156.154.64.123
3 2026-08-26 00:42 639233016064066127
21 ms 156.154.64.123
2 2026-08-26 00:25 639233005922655772
10 ms 156.154.64.123
1 2026-08-26 00:08 639232995672256907
11 ms 156.154.64.123