DNS response history for pdns123.ultradns.org

pdns123.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 45 DNS check records, 45 successful responses, 0 failed responses, and 134 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.org.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

134 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:39

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.123

Most recently resolved hosting IP on selected date

Successful Responses

45

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.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
45 2026-08-26 14:39 639233517966053117
25 ms 156.154.67.123
44 2026-08-26 14:21 639233507603253585
17 ms 156.154.67.123
43 2026-08-26 14:04 639233497229039167
27 ms 156.154.67.123
42 2026-08-26 13:47 639233486864546406
142 ms 156.154.67.123
41 2026-08-26 13:30 639233476455174682
15 ms 156.154.67.123
40 2026-08-26 13:12 639233466171592605
8 ms 156.154.67.123
39 2026-08-26 12:55 639233455747096265
33 ms 156.154.67.123
38 2026-08-26 12:38 639233445367152284
15 ms 156.154.67.123
37 2026-08-26 12:20 639233434974187439
18 ms 156.154.67.123
36 2026-08-26 12:03 639233424567558554
29 ms 156.154.67.123
35 2026-08-26 11:45 639233414056832719
51 ms 156.154.67.123
34 2026-08-26 11:28 639233403515141099
25 ms 156.154.67.123
33 2026-08-26 10:33 639233370841350248
13 ms 156.154.67.123
32 2026-08-26 10:16 639233360361507238
146 ms 156.154.67.123
31 2026-08-26 09:59 639233350067824371
11 ms 156.154.67.123
30 2026-08-26 09:41 639233339545274518
42 ms 156.154.67.123
29 2026-08-26 09:24 639233329214918079
11 ms 156.154.67.123
28 2026-08-26 09:07 639233318749762337
10 ms 156.154.67.123
27 2026-08-26 08:49 639233308387917838
276 ms 156.154.67.123
26 2026-08-26 08:32 639233297961740122
10 ms 156.154.67.123
25 2026-08-26 08:15 639233287487159094
29 ms 156.154.67.123
24 2026-08-26 07:57 639233276995531707
2014 ms 156.154.67.123
23 2026-08-26 07:40 639233266521568229
17 ms 156.154.67.123
22 2026-08-26 07:22 639233256081047431
27 ms 156.154.67.123
21 2026-08-26 06:28 639233223620132921
26 ms 156.154.67.123
20 2026-08-26 06:11 639233213287814244
25 ms 156.154.67.123
19 2026-08-26 05:54 639233202925983161
67 ms 156.154.67.123
18 2026-08-26 05:36 639233192644780696
28 ms 156.154.67.123
17 2026-08-26 05:19 639233182401183833
8 ms 156.154.67.123
16 2026-08-26 05:02 639233172074181051
63 ms 156.154.67.123
15 2026-08-26 04:45 639233161808421455
160 ms 156.154.67.123
14 2026-08-26 04:28 639233151357344052
35 ms 156.154.67.123
13 2026-08-26 04:10 639233141034116946
10 ms 156.154.67.123
12 2026-08-26 03:53 639233130828334142
53 ms 156.154.67.123
11 2026-08-26 03:36 639233120373450007
10 ms 156.154.67.123
10 2026-08-26 03:19 639233110066216193
282 ms 156.154.67.123
9 2026-08-26 02:25 639233078065410564
41 ms 156.154.67.123
8 2026-08-26 02:08 639233067787457832
22 ms 156.154.67.123
7 2026-08-26 01:51 639233057501801162
37 ms 156.154.67.123
6 2026-08-26 01:34 639233047089431703
29 ms 156.154.67.123
5 2026-08-26 01:17 639233036754790688
25 ms 156.154.67.123
4 2026-08-26 00:59 639233026412602472
2014 ms 156.154.67.123
3 2026-08-26 00:42 639233016064066127
35 ms 156.154.67.123
2 2026-08-26 00:25 639233005922655772
19 ms 156.154.67.123
1 2026-08-26 00:08 639232995672256907
15 ms 156.154.67.123