DNS response history for pdns105.ultradns.com

pdns105.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 43 DNS check records, 42 successful responses, 1 failed responses, and 233 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 pdns105.ultradns.com.
Records on Selected Date

43

Historical checks stored for this nameserver on selected date

Average Latency

233 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:02

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.105

Most recently resolved hosting IP on selected date

Successful Responses

42

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 pdns105.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
43 2026-08-26 14:02 639233497229039167
16 ms 156.154.64.105
42 2026-08-26 13:44 639233486864546406
19 ms 156.154.64.105
41 2026-08-26 13:27 639233476455174682
203 ms 156.154.64.105
40 2026-08-26 13:10 639233466171592605
9 ms 156.154.64.105
39 2026-08-26 12:53 639233455747096265
29 ms 156.154.64.105
38 2026-08-26 12:35 639233445367152284
11 ms 156.154.64.105
37 2026-08-26 12:18 639233434974187439
35 ms 156.154.64.105
36 2026-08-26 12:01 639233424567558554
43 ms 156.154.64.105
35 2026-08-26 11:43 639233414056832719
12 ms 156.154.64.105
34 2026-08-26 11:26 639233403515141099
4057 ms 156.154.64.105
33 2026-08-26 10:31 639233370841350248
11 ms 156.154.64.105
32 2026-08-26 10:14 639233360361507238
278 ms 156.154.64.105
31 2026-08-26 09:56 639233350067824371
33 ms 156.154.64.105
30 2026-08-26 09:39 639233339545274518
30 ms 156.154.64.105
29 2026-08-26 09:22 639233329214918079
132 ms 156.154.64.105
28 2026-08-26 09:04 639233318749762337
-
27 2026-08-26 08:47 639233308387917838
29 ms 156.154.64.105
26 2026-08-26 08:30 639233297961740122
55 ms 156.154.64.105
25 2026-08-26 08:12 639233287487159094
46 ms 156.154.64.105
24 2026-08-26 07:55 639233276995531707
2029 ms 156.154.64.105
23 2026-08-26 07:37 639233266521568229
57 ms 156.154.64.105
22 2026-08-26 07:20 639233256081047431
21 ms 156.154.64.105
21 2026-08-26 06:26 639233223620132921
76 ms 156.154.64.105
20 2026-08-26 06:08 639233213287814244
9 ms 156.154.64.105
19 2026-08-26 05:51 639233202925983161
24 ms 156.154.64.105
18 2026-08-26 05:34 639233192644780696
17 ms 156.154.64.105
17 2026-08-26 05:17 639233182401183833
31 ms 156.154.64.105
16 2026-08-26 05:00 639233172074181051
50 ms 156.154.64.105
15 2026-08-26 04:43 639233161808421455
52 ms 156.154.64.105
14 2026-08-26 04:25 639233151357344052
17 ms 156.154.64.105
13 2026-08-26 04:08 639233141034116946
11 ms 156.154.64.105
12 2026-08-26 03:51 639233130828334142
9 ms 156.154.64.105
11 2026-08-26 03:34 639233120373450007
81 ms 156.154.64.105
10 2026-08-26 03:16 639233110066216193
8 ms 156.154.64.105
9 2026-08-26 02:23 639233078065410564
18 ms 156.154.64.105
8 2026-08-26 02:06 639233067787457832
32 ms 156.154.64.105
7 2026-08-26 01:49 639233057501801162
40 ms 156.154.64.105
6 2026-08-26 01:31 639233047089431703
22 ms 156.154.64.105
5 2026-08-26 01:14 639233036754790688
11 ms 156.154.64.105
4 2026-08-26 00:57 639233026412602472
42 ms 156.154.64.105
3 2026-08-26 00:40 639233016064066127
2012 ms 156.154.64.105
2 2026-08-26 00:23 639233005922655772
62 ms 156.154.64.105
1 2026-08-26 00:06 639232995672256907
25 ms 156.154.64.105