DNS response history for pdns175.ultradns.org

pdns175.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 51 DNS check records, 51 successful responses, 0 failed responses, and 153 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 pdns175.ultradns.org.
Records on Selected Date

51

Historical checks stored for this nameserver on selected date

Average Latency

153 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 17:01

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.175

Most recently resolved hosting IP on selected date

Successful Responses

51

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 pdns175.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
51 2026-08-26 17:01 639233603737877581
10 ms 156.154.67.175
50 2026-08-26 16:43 639233593269224651
21 ms 156.154.67.175
49 2026-08-26 16:26 639233582635086903
28 ms 156.154.67.175
48 2026-08-26 16:08 639233572000374575
264 ms 156.154.67.175
47 2026-08-26 15:50 639233561188633861
22 ms 156.154.67.175
46 2026-08-26 15:32 639233550544357027
12 ms 156.154.67.175
45 2026-08-26 14:38 639233517966053117
18 ms 156.154.67.175
44 2026-08-26 14:21 639233507603253585
43 ms 156.154.67.175
43 2026-08-26 14:03 639233497229039167
12 ms 156.154.67.175
42 2026-08-26 13:46 639233486864546406
13 ms 156.154.67.175
41 2026-08-26 13:29 639233476455174682
18 ms 156.154.67.175
40 2026-08-26 13:12 639233466171592605
14 ms 156.154.67.175
39 2026-08-26 12:54 639233455747096265
26 ms 156.154.67.175
38 2026-08-26 12:37 639233445367152284
16 ms 156.154.67.175
37 2026-08-26 12:20 639233434974187439
31 ms 156.154.67.175
36 2026-08-26 12:02 639233424567558554
10 ms 156.154.67.175
35 2026-08-26 11:45 639233414056832719
261 ms 156.154.67.175
34 2026-08-26 11:27 639233403515141099
12 ms 156.154.67.175
33 2026-08-26 10:33 639233370841350248
10 ms 156.154.67.175
32 2026-08-26 10:15 639233360361507238
10 ms 156.154.67.175
31 2026-08-26 09:58 639233350067824371
16 ms 156.154.67.175
30 2026-08-26 09:41 639233339545274518
113 ms 156.154.67.175
29 2026-08-26 09:23 639233329214918079
98 ms 156.154.67.175
28 2026-08-26 09:06 639233318749762337
23 ms 156.154.67.175
27 2026-08-26 08:49 639233308387917838
12 ms 156.154.67.175
26 2026-08-26 08:31 639233297961740122
11 ms 156.154.67.175
25 2026-08-26 08:14 639233287487159094
34 ms 156.154.67.175
24 2026-08-26 07:56 639233276995531707
2050 ms 156.154.67.175
23 2026-08-26 07:39 639233266521568229
34 ms 156.154.67.175
22 2026-08-26 07:22 639233256081047431
11 ms 156.154.67.175
21 2026-08-26 06:27 639233223620132921
11 ms 156.154.67.175
20 2026-08-26 06:10 639233213287814244
13 ms 156.154.67.175
19 2026-08-26 05:53 639233202925983161
39 ms 156.154.67.175
18 2026-08-26 05:36 639233192644780696
17 ms 156.154.67.175
17 2026-08-26 05:19 639233182401183833
33 ms 156.154.67.175
16 2026-08-26 05:01 639233172074181051
20 ms 156.154.67.175
15 2026-08-26 04:44 639233161808421455
16 ms 156.154.67.175
14 2026-08-26 04:27 639233151357344052
33 ms 156.154.67.175
13 2026-08-26 04:10 639233141034116946
11 ms 156.154.67.175
12 2026-08-26 03:53 639233130828334142
33 ms 156.154.67.175
11 2026-08-26 03:35 639233120373450007
10 ms 156.154.67.175
10 2026-08-26 03:18 639233110066216193
31 ms 156.154.67.175
9 2026-08-26 02:25 639233078065410564
28 ms 156.154.67.175
8 2026-08-26 02:08 639233067787457832
11 ms 156.154.67.175
7 2026-08-26 01:51 639233057501801162
25 ms 156.154.67.175
6 2026-08-26 01:33 639233047089431703
26 ms 156.154.67.175
5 2026-08-26 01:16 639233036754790688
31 ms 156.154.67.175
4 2026-08-26 00:59 639233026412602472
119 ms 156.154.67.175
3 2026-08-26 00:41 639233016064066127
2011 ms 156.154.67.175
2 2026-08-26 00:25 639233005922655772
10 ms 156.154.67.175
1 2026-08-26 00:07 639232995672256907
2026 ms 156.154.67.175