DNS response history for pdns109.ultradns.com

pdns109.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, 49 successful responses, 0 failed responses, and 111 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 pdns109.ultradns.com.
Records on Selected Date

49

Historical checks stored for this nameserver on selected date

Average Latency

111 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

156.154.64.109

Most recently resolved hosting IP on selected date

Successful Responses

49

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 pdns109.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
11 ms 156.154.64.109
48 2026-08-26 16:08 639233572000374575
10 ms 156.154.64.109
47 2026-08-26 15:50 639233561188633861
11 ms 156.154.64.109
46 2026-08-26 15:32 639233550544357027
14 ms 156.154.64.109
45 2026-08-26 14:38 639233517966053117
18 ms 156.154.64.109
44 2026-08-26 14:20 639233507603253585
11 ms 156.154.64.109
43 2026-08-26 14:03 639233497229039167
11 ms 156.154.64.109
42 2026-08-26 13:46 639233486864546406
25 ms 156.154.64.109
41 2026-08-26 13:29 639233476455174682
10 ms 156.154.64.109
40 2026-08-26 13:11 639233466171592605
25 ms 156.154.64.109
39 2026-08-26 12:54 639233455747096265
34 ms 156.154.64.109
38 2026-08-26 12:37 639233445367152284
16 ms 156.154.64.109
37 2026-08-26 12:19 639233434974187439
12 ms 156.154.64.109
36 2026-08-26 12:02 639233424567558554
53 ms 156.154.64.109
35 2026-08-26 11:45 639233414056832719
11 ms 156.154.64.109
34 2026-08-26 11:27 639233403515141099
17 ms 156.154.64.109
33 2026-08-26 10:32 639233370841350248
18 ms 156.154.64.109
32 2026-08-26 10:15 639233360361507238
10 ms 156.154.64.109
31 2026-08-26 09:58 639233350067824371
38 ms 156.154.64.109
30 2026-08-26 09:40 639233339545274518
26 ms 156.154.64.109
29 2026-08-26 09:23 639233329214918079
20 ms 156.154.64.109
28 2026-08-26 09:06 639233318749762337
29 ms 156.154.64.109
27 2026-08-26 08:48 639233308387917838
69 ms 156.154.64.109
26 2026-08-26 08:31 639233297961740122
14 ms 156.154.64.109
25 2026-08-26 08:14 639233287487159094
34 ms 156.154.64.109
24 2026-08-26 07:56 639233276995531707
8 ms 156.154.64.109
23 2026-08-26 07:39 639233266521568229
2007 ms 156.154.64.109
22 2026-08-26 07:21 639233256081047431
37 ms 156.154.64.109
21 2026-08-26 06:27 639233223620132921
24 ms 156.154.64.109
20 2026-08-26 06:10 639233213287814244
7 ms 156.154.64.109
19 2026-08-26 05:53 639233202925983161
18 ms 156.154.64.109
18 2026-08-26 05:36 639233192644780696
23 ms 156.154.64.109
17 2026-08-26 05:18 639233182401183833
3 ms 156.154.64.109
16 2026-08-26 05:01 639233172074181051
38 ms 156.154.64.109
15 2026-08-26 04:44 639233161808421455
16 ms 156.154.64.109
14 2026-08-26 04:27 639233151357344052
388 ms 156.154.64.109
13 2026-08-26 04:09 639233141034116946
64 ms 156.154.64.109
12 2026-08-26 03:53 639233130828334142
24 ms 156.154.64.109
11 2026-08-26 03:35 639233120373450007
21 ms 156.154.64.109
10 2026-08-26 03:18 639233110066216193
40 ms 156.154.64.109
9 2026-08-26 02:25 639233078065410564
9 ms 156.154.64.109
8 2026-08-26 02:07 639233067787457832
10 ms 156.154.64.109
7 2026-08-26 01:50 639233057501801162
33 ms 156.154.64.109
6 2026-08-26 01:33 639233047089431703
22 ms 156.154.64.109
5 2026-08-26 01:16 639233036754790688
15 ms 156.154.64.109
4 2026-08-26 00:58 639233026412602472
18 ms 156.154.64.109
3 2026-08-26 00:41 639233016064066127
28 ms 156.154.64.109
2 2026-08-26 00:24 639233005922655772
2018 ms 156.154.64.109
1 2026-08-26 00:07 639232995672256907
23 ms 156.154.64.109