DNS response history for pdns170.ultradns.com

pdns170.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 48 DNS check records, 48 successful responses, 0 failed responses, and 288 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 pdns170.ultradns.com.
Records on Selected Date

48

Historical checks stored for this nameserver on selected date

Average Latency

288 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:10

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.170

Most recently resolved hosting IP on selected date

Successful Responses

48

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 pdns170.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
48 2026-08-26 16:10 639233572000374575
38 ms 156.154.64.170
47 2026-08-26 15:52 639233561188633861
45 ms 156.154.64.170
46 2026-08-26 15:34 639233550544357027
106 ms 156.154.64.170
45 2026-08-26 14:40 639233517966053117
25 ms 156.154.64.170
44 2026-08-26 14:23 639233507603253585
19 ms 156.154.64.170
43 2026-08-26 14:05 639233497229039167
26 ms 156.154.64.170
42 2026-08-26 13:48 639233486864546406
42 ms 156.154.64.170
41 2026-08-26 13:31 639233476455174682
36 ms 156.154.64.170
40 2026-08-26 13:14 639233466171592605
11 ms 156.154.64.170
39 2026-08-26 12:57 639233455747096265
24 ms 156.154.64.170
38 2026-08-26 12:39 639233445367152284
36 ms 156.154.64.170
37 2026-08-26 12:22 639233434974187439
40 ms 156.154.64.170
36 2026-08-26 12:04 639233424567558554
87 ms 156.154.64.170
35 2026-08-26 11:47 639233414056832719
19 ms 156.154.64.170
34 2026-08-26 11:29 639233403515141099
130 ms 156.154.64.170
33 2026-08-26 10:35 639233370841350248
27 ms 156.154.64.170
32 2026-08-26 10:17 639233360361507238
14 ms 156.154.64.170
31 2026-08-26 10:00 639233350067824371
31 ms 156.154.64.170
30 2026-08-26 09:43 639233339545274518
2034 ms 156.154.64.170
29 2026-08-26 09:26 639233329214918079
27 ms 156.154.64.170
28 2026-08-26 09:08 639233318749762337
23 ms 156.154.64.170
27 2026-08-26 08:51 639233308387917838
12 ms 156.154.64.170
26 2026-08-26 08:33 639233297961740122
39 ms 156.154.64.170
25 2026-08-26 08:16 639233287487159094
2035 ms 156.154.64.170
24 2026-08-26 07:58 639233276995531707
31 ms 156.154.64.170
23 2026-08-26 07:41 639233266521568229
14 ms 156.154.64.170
22 2026-08-26 07:24 639233256081047431
91 ms 156.154.64.170
21 2026-08-26 06:30 639233223620132921
32 ms 156.154.64.170
20 2026-08-26 06:12 639233213287814244
17 ms 156.154.64.170
19 2026-08-26 05:55 639233202925983161
37 ms 156.154.64.170
18 2026-08-26 05:38 639233192644780696
102 ms 156.154.64.170
17 2026-08-26 05:21 639233182401183833
2129 ms 156.154.64.170
16 2026-08-26 05:04 639233172074181051
38 ms 156.154.64.170
15 2026-08-26 04:47 639233161808421455
32 ms 156.154.64.170
14 2026-08-26 04:29 639233151357344052
17 ms 156.154.64.170
13 2026-08-26 04:12 639233141034116946
4017 ms 156.154.64.170
12 2026-08-26 03:55 639233130828334142
26 ms 156.154.64.170
11 2026-08-26 03:37 639233120373450007
27 ms 156.154.64.170
10 2026-08-26 03:20 639233110066216193
22 ms 156.154.64.170
9 2026-08-26 02:27 639233078065410564
8 ms 156.154.64.170
8 2026-08-26 02:10 639233067787457832
29 ms 156.154.64.170
7 2026-08-26 01:53 639233057501801162
29 ms 156.154.64.170
6 2026-08-26 01:35 639233047089431703
38 ms 156.154.64.170
5 2026-08-26 01:18 639233036754790688
18 ms 156.154.64.170
4 2026-08-26 01:01 639233026412602472
19 ms 156.154.64.170
3 2026-08-26 00:44 639233016064066127
2032 ms 156.154.64.170
2 2026-08-26 00:27 639233005922655772
23 ms 156.154.64.170
1 2026-08-26 00:10 639232995672256907
48 ms 156.154.64.170