DNS response history for pdns203.ultradns.org

pdns203.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 48 DNS check records, 47 successful responses, 1 failed responses, and 202 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 pdns203.ultradns.org.
Records on Selected Date

48

Historical checks stored for this nameserver on selected date

Average Latency

202 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:07

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.203

Most recently resolved hosting IP on selected date

Successful Responses

47

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 pdns203.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
48 2026-08-26 16:07 639233572000374575
13 ms 156.154.67.203
47 2026-08-26 15:49 639233561188633861
7 ms 156.154.67.203
46 2026-08-26 15:31 639233550544357027
12 ms 156.154.67.203
45 2026-08-26 14:37 639233517966053117
43 ms 156.154.67.203
44 2026-08-26 14:19 639233507603253585
10 ms 156.154.67.203
43 2026-08-26 14:02 639233497229039167
27 ms 156.154.67.203
42 2026-08-26 13:45 639233486864546406
-
41 2026-08-26 13:27 639233476455174682
20 ms 156.154.67.203
40 2026-08-26 13:10 639233466171592605
13 ms 156.154.67.203
39 2026-08-26 12:53 639233455747096265
34 ms 156.154.67.203
38 2026-08-26 12:36 639233445367152284
17 ms 156.154.67.203
37 2026-08-26 12:18 639233434974187439
62 ms 156.154.67.203
36 2026-08-26 12:01 639233424567558554
43 ms 156.154.67.203
35 2026-08-26 11:43 639233414056832719
31 ms 156.154.67.203
34 2026-08-26 11:26 639233403515141099
25 ms 156.154.67.203
33 2026-08-26 10:31 639233370841350248
29 ms 156.154.67.203
32 2026-08-26 10:14 639233360361507238
9 ms 156.154.67.203
31 2026-08-26 09:57 639233350067824371
37 ms 156.154.67.203
30 2026-08-26 09:39 639233339545274518
8 ms 156.154.67.203
29 2026-08-26 09:22 639233329214918079
23 ms 156.154.67.203
28 2026-08-26 09:05 639233318749762337
22 ms 156.154.67.203
27 2026-08-26 08:47 639233308387917838
41 ms 156.154.67.203
26 2026-08-26 08:30 639233297961740122
15 ms 156.154.67.203
25 2026-08-26 08:12 639233287487159094
41 ms 156.154.67.203
24 2026-08-26 07:55 639233276995531707
11 ms 156.154.67.203
23 2026-08-26 07:38 639233266521568229
2059 ms 156.154.67.203
22 2026-08-26 07:20 639233256081047431
35 ms 156.154.67.203
21 2026-08-26 06:26 639233223620132921
45 ms 156.154.67.203
20 2026-08-26 06:09 639233213287814244
34 ms 156.154.67.203
19 2026-08-26 05:52 639233202925983161
7 ms 156.154.67.203
18 2026-08-26 05:34 639233192644780696
293 ms 156.154.67.203
17 2026-08-26 05:17 639233182401183833
13 ms 156.154.67.203
16 2026-08-26 05:00 639233172074181051
77 ms 156.154.67.203
15 2026-08-26 04:43 639233161808421455
22 ms 156.154.67.203
14 2026-08-26 04:26 639233151357344052
2016 ms 156.154.67.203
13 2026-08-26 04:08 639233141034116946
29 ms 156.154.67.203
12 2026-08-26 03:51 639233130828334142
35 ms 156.154.67.203
11 2026-08-26 03:34 639233120373450007
9 ms 156.154.67.203
10 2026-08-26 03:17 639233110066216193
19 ms 156.154.67.203
9 2026-08-26 02:23 639233078065410564
9 ms 156.154.67.203
8 2026-08-26 02:06 639233067787457832
9 ms 156.154.67.203
7 2026-08-26 01:49 639233057501801162
2012 ms 156.154.67.203
6 2026-08-26 01:32 639233047089431703
48 ms 156.154.67.203
5 2026-08-26 01:15 639233036754790688
2024 ms 156.154.67.203
4 2026-08-26 00:57 639233026412602472
29 ms 156.154.67.203
3 2026-08-26 00:40 639233016064066127
19 ms 156.154.67.203
2 2026-08-26 00:23 639233005922655772
43 ms 156.154.67.203
1 2026-08-26 00:06 639232995672256907
11 ms 156.154.67.203