DNS response history for pdns197.ultradns.org

pdns197.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 42 DNS check records, 40 successful responses, 2 failed responses, and 138 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 pdns197.ultradns.org.
Records on Selected Date

42

Historical checks stored for this nameserver on selected date

Average Latency

138 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 13:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.197

Most recently resolved hosting IP on selected date

Successful Responses

40

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns197.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
42 2026-08-26 13:50 639233486864546406
29 ms 156.154.67.197
41 2026-08-26 13:33 639233476455174682
35 ms 156.154.67.197
40 2026-08-26 13:16 639233466171592605
18 ms 156.154.67.197
39 2026-08-26 12:59 639233455747096265
36 ms 156.154.67.197
38 2026-08-26 12:41 639233445367152284
9 ms 156.154.67.197
37 2026-08-26 12:24 639233434974187439
12 ms 156.154.67.197
36 2026-08-26 12:06 639233424567558554
39 ms 156.154.67.197
35 2026-08-26 11:49 639233414056832719
57 ms 156.154.67.197
34 2026-08-26 11:31 639233403515141099
23 ms 156.154.67.197
33 2026-08-26 10:37 639233370841350248
9 ms 156.154.67.197
32 2026-08-26 10:20 639233360361507238
19 ms 156.154.67.197
31 2026-08-26 10:02 639233350067824371
42 ms 156.154.67.197
30 2026-08-26 09:45 639233339545274518
11 ms 156.154.67.197
29 2026-08-26 09:28 639233329214918079
12 ms 156.154.67.197
28 2026-08-26 09:10 639233318749762337
33 ms 156.154.67.197
27 2026-08-26 08:53 639233308387917838
29 ms 156.154.67.197
26 2026-08-26 08:35 639233297961740122
17 ms 156.154.67.197
25 2026-08-26 08:18 639233287487159094
15 ms 156.154.67.197
24 2026-08-26 08:01 639233276995531707
8 ms 156.154.67.197
23 2026-08-26 07:43 639233266521568229
39 ms 156.154.67.197
22 2026-08-26 07:26 639233256081047431
13 ms 156.154.67.197
21 2026-08-26 06:32 639233223620132921
44 ms 156.154.67.197
20 2026-08-26 06:14 639233213287814244
162 ms 156.154.67.197
19 2026-08-26 05:57 639233202925983161
2009 ms 156.154.67.197
18 2026-08-26 05:40 639233192644780696
53 ms 156.154.67.197
17 2026-08-26 05:23 639233182401183833
9 ms 156.154.67.197
16 2026-08-26 05:06 639233172074181051
2067 ms 156.154.67.197
15 2026-08-26 04:49 639233161808421455
10 ms 156.154.67.197
14 2026-08-26 04:31 639233151357344052
41 ms 156.154.67.197
13 2026-08-26 04:14 639233141034116946
61 ms 156.154.67.197
12 2026-08-26 03:57 639233130828334142
24 ms 156.154.67.197
11 2026-08-26 03:40 639233120373450007
49 ms 156.154.67.197
10 2026-08-26 03:22 639233110066216193
20 ms 156.154.67.197
9 2026-08-26 02:29 639233078065410564
132 ms 156.154.67.197
8 2026-08-26 02:12 639233067787457832
21 ms 156.154.67.197
7 2026-08-26 01:55 639233057501801162
-
6 2026-08-26 01:37 639233047089431703
22 ms 156.154.67.197
5 2026-08-26 01:20 639233036754790688
9 ms 156.154.67.197
4 2026-08-26 01:03 639233026412602472
-
3 2026-08-26 00:46 639233016064066127
103 ms 156.154.67.197
2 2026-08-26 00:29 639233005922655772
152 ms 156.154.67.197
1 2026-08-26 00:12 639232995672256907
7 ms 156.154.67.197