DNS response history for pdns166.ultradns.net

pdns166.ultradns.net 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 47 DNS check records, 47 successful responses, 0 failed responses, and 243 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 pdns166.ultradns.net.
Records on Selected Date

47

Historical checks stored for this nameserver on selected date

Average Latency

243 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 15:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.65.166

Most recently resolved hosting IP on selected date

Successful Responses

47

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 pdns166.ultradns.net

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
47 2026-08-26 15:51 639233561188633861
28 ms 156.154.65.166
46 2026-08-26 15:34 639233550544357027
10 ms 156.154.65.166
45 2026-08-26 14:39 639233517966053117
27 ms 156.154.65.166
44 2026-08-26 14:22 639233507603253585
2029 ms 156.154.65.166
43 2026-08-26 14:05 639233497229039167
11 ms 156.154.65.166
42 2026-08-26 13:47 639233486864546406
32 ms 156.154.65.166
41 2026-08-26 13:30 639233476455174682
24 ms 156.154.65.166
40 2026-08-26 13:13 639233466171592605
26 ms 156.154.65.166
39 2026-08-26 12:56 639233455747096265
25 ms 156.154.65.166
38 2026-08-26 12:38 639233445367152284
14 ms 156.154.65.166
37 2026-08-26 12:21 639233434974187439
15 ms 156.154.65.166
36 2026-08-26 12:04 639233424567558554
4019 ms 156.154.65.166
35 2026-08-26 11:46 639233414056832719
77 ms 156.154.65.166
34 2026-08-26 11:29 639233403515141099
143 ms 156.154.65.166
33 2026-08-26 10:34 639233370841350248
11 ms 156.154.65.166
32 2026-08-26 10:17 639233360361507238
57 ms 156.154.65.166
31 2026-08-26 09:59 639233350067824371
101 ms 156.154.65.166
30 2026-08-26 09:42 639233339545274518
11 ms 156.154.65.166
29 2026-08-26 09:25 639233329214918079
12 ms 156.154.65.166
28 2026-08-26 09:07 639233318749762337
40 ms 156.154.65.166
27 2026-08-26 08:50 639233308387917838
36 ms 156.154.65.166
26 2026-08-26 08:33 639233297961740122
22 ms 156.154.65.166
25 2026-08-26 08:15 639233287487159094
34 ms 156.154.65.166
24 2026-08-26 07:58 639233276995531707
14 ms 156.154.65.166
23 2026-08-26 07:40 639233266521568229
64 ms 156.154.65.166
22 2026-08-26 07:23 639233256081047431
20 ms 156.154.65.166
21 2026-08-26 06:29 639233223620132921
18 ms 156.154.65.166
20 2026-08-26 06:12 639233213287814244
14 ms 156.154.65.166
19 2026-08-26 05:54 639233202925983161
11 ms 156.154.65.166
18 2026-08-26 05:37 639233192644780696
21 ms 156.154.65.166
17 2026-08-26 05:20 639233182401183833
11 ms 156.154.65.166
16 2026-08-26 05:03 639233172074181051
31 ms 156.154.65.166
15 2026-08-26 04:46 639233161808421455
31 ms 156.154.65.166
14 2026-08-26 04:28 639233151357344052
59 ms 156.154.65.166
13 2026-08-26 04:11 639233141034116946
44 ms 156.154.65.166
12 2026-08-26 03:54 639233130828334142
46 ms 156.154.65.166
11 2026-08-26 03:37 639233120373450007
2013 ms 156.154.65.166
10 2026-08-26 03:19 639233110066216193
15 ms 156.154.65.166
9 2026-08-26 02:26 639233078065410564
24 ms 156.154.65.166
8 2026-08-26 02:09 639233067787457832
2017 ms 156.154.65.166
7 2026-08-26 01:52 639233057501801162
14 ms 156.154.65.166
6 2026-08-26 01:35 639233047089431703
27 ms 156.154.65.166
5 2026-08-26 01:17 639233036754790688
33 ms 156.154.65.166
4 2026-08-26 01:00 639233026412602472
38 ms 156.154.65.166
3 2026-08-26 00:43 639233016064066127
12 ms 156.154.65.166
2 2026-08-26 00:26 639233005922655772
17 ms 156.154.65.166
1 2026-08-26 00:09 639232995672256907
21 ms 156.154.65.166