DNS response history for pdns204.ultradns.com

pdns204.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 49 DNS check records, 46 successful responses, 3 failed responses, and 248 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 pdns204.ultradns.com.
Records on Selected Date

49

Historical checks stored for this nameserver on selected date

Average Latency

248 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:26

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.204

Most recently resolved hosting IP on selected date

Successful Responses

46

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

6%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns204.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
49 2026-08-26 16:26 639233582635086903
18 ms 156.154.64.204
48 2026-08-26 16:08 639233572000374575
12 ms 156.154.64.204
47 2026-08-26 15:50 639233561188633861
13 ms 156.154.64.204
46 2026-08-26 15:32 639233550544357027
-
45 2026-08-26 14:38 639233517966053117
72 ms 156.154.64.204
44 2026-08-26 14:21 639233507603253585
9 ms 156.154.64.204
43 2026-08-26 14:03 639233497229039167
27 ms 156.154.64.204
42 2026-08-26 13:46 639233486864546406
4016 ms 156.154.64.204
41 2026-08-26 13:29 639233476455174682
16 ms 156.154.64.204
40 2026-08-26 13:12 639233466171592605
24 ms 156.154.64.204
39 2026-08-26 12:54 639233455747096265
40 ms 156.154.64.204
38 2026-08-26 12:37 639233445367152284
11 ms 156.154.64.204
37 2026-08-26 12:20 639233434974187439
2113 ms 156.154.64.204
36 2026-08-26 12:02 639233424567558554
10 ms 156.154.64.204
35 2026-08-26 11:45 639233414056832719
-
34 2026-08-26 11:27 639233403515141099
33 ms 156.154.64.204
33 2026-08-26 10:33 639233370841350248
115 ms 156.154.64.204
32 2026-08-26 10:15 639233360361507238
69 ms 156.154.64.204
31 2026-08-26 09:58 639233350067824371
-
30 2026-08-26 09:41 639233339545274518
25 ms 156.154.64.204
29 2026-08-26 09:23 639233329214918079
57 ms 156.154.64.204
28 2026-08-26 09:06 639233318749762337
29 ms 156.154.64.204
27 2026-08-26 08:49 639233308387917838
11 ms 156.154.64.204
26 2026-08-26 08:31 639233297961740122
21 ms 156.154.64.204
25 2026-08-26 08:14 639233287487159094
104 ms 156.154.64.204
24 2026-08-26 07:56 639233276995531707
21 ms 156.154.64.204
23 2026-08-26 07:39 639233266521568229
10 ms 156.154.64.204
22 2026-08-26 07:22 639233256081047431
28 ms 156.154.64.204
21 2026-08-26 06:27 639233223620132921
3 ms 156.154.64.204
20 2026-08-26 06:10 639233213287814244
5 ms 156.154.64.204
19 2026-08-26 05:53 639233202925983161
37 ms 156.154.64.204
18 2026-08-26 05:36 639233192644780696
2019 ms 156.154.64.204
17 2026-08-26 05:19 639233182401183833
11 ms 156.154.64.204
16 2026-08-26 05:02 639233172074181051
65 ms 156.154.64.204
15 2026-08-26 04:44 639233161808421455
11 ms 156.154.64.204
14 2026-08-26 04:27 639233151357344052
41 ms 156.154.64.204
13 2026-08-26 04:10 639233141034116946
39 ms 156.154.64.204
12 2026-08-26 03:53 639233130828334142
24 ms 156.154.64.204
11 2026-08-26 03:35 639233120373450007
36 ms 156.154.64.204
10 2026-08-26 03:18 639233110066216193
14 ms 156.154.64.204
9 2026-08-26 02:25 639233078065410564
12 ms 156.154.64.204
8 2026-08-26 02:08 639233067787457832
2037 ms 156.154.64.204
7 2026-08-26 01:51 639233057501801162
10 ms 156.154.64.204
6 2026-08-26 01:33 639233047089431703
18 ms 156.154.64.204
5 2026-08-26 01:16 639233036754790688
16 ms 156.154.64.204
4 2026-08-26 00:59 639233026412602472
31 ms 156.154.64.204
3 2026-08-26 00:42 639233016064066127
10 ms 156.154.64.204
2 2026-08-26 00:25 639233005922655772
62 ms 156.154.64.204
1 2026-08-26 00:08 639232995672256907
12 ms 156.154.64.204