DNS response history for pdns193.ultradns.com

pdns193.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 45 DNS check records, 45 successful responses, 0 failed responses, and 389 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 pdns193.ultradns.com.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

389 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:39

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.64.193

Most recently resolved hosting IP on selected date

Successful Responses

45

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 pdns193.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
45 2026-08-26 14:39 639233517966053117
30 ms 156.154.64.193
44 2026-08-26 14:22 639233507603253585
2041 ms 156.154.64.193
43 2026-08-26 14:05 639233497229039167
15 ms 156.154.64.193
42 2026-08-26 13:48 639233486864546406
12 ms 156.154.64.193
41 2026-08-26 13:30 639233476455174682
52 ms 156.154.64.193
40 2026-08-26 13:13 639233466171592605
25 ms 156.154.64.193
39 2026-08-26 12:56 639233455747096265
35 ms 156.154.64.193
38 2026-08-26 12:38 639233445367152284
2062 ms 156.154.64.193
37 2026-08-26 12:21 639233434974187439
39 ms 156.154.64.193
36 2026-08-26 12:04 639233424567558554
25 ms 156.154.64.193
35 2026-08-26 11:46 639233414056832719
10 ms 156.154.64.193
34 2026-08-26 11:29 639233403515141099
188 ms 156.154.64.193
33 2026-08-26 10:34 639233370841350248
16 ms 156.154.64.193
32 2026-08-26 10:17 639233360361507238
2040 ms 156.154.64.193
31 2026-08-26 10:00 639233350067824371
24 ms 156.154.64.193
30 2026-08-26 09:42 639233339545274518
11 ms 156.154.64.193
29 2026-08-26 09:25 639233329214918079
59 ms 156.154.64.193
28 2026-08-26 09:08 639233318749762337
26 ms 156.154.64.193
27 2026-08-26 08:50 639233308387917838
4033 ms 156.154.64.193
26 2026-08-26 08:33 639233297961740122
48 ms 156.154.64.193
25 2026-08-26 08:15 639233287487159094
2029 ms 156.154.64.193
24 2026-08-26 07:58 639233276995531707
26 ms 156.154.64.193
23 2026-08-26 07:40 639233266521568229
12 ms 156.154.64.193
22 2026-08-26 07:23 639233256081047431
30 ms 156.154.64.193
21 2026-08-26 06:29 639233223620132921
19 ms 156.154.64.193
20 2026-08-26 06:12 639233213287814244
23 ms 156.154.64.193
19 2026-08-26 05:54 639233202925983161
159 ms 156.154.64.193
18 2026-08-26 05:37 639233192644780696
37 ms 156.154.64.193
17 2026-08-26 05:20 639233182401183833
12 ms 156.154.64.193
16 2026-08-26 05:03 639233172074181051
30 ms 156.154.64.193
15 2026-08-26 04:46 639233161808421455
24 ms 156.154.64.193
14 2026-08-26 04:28 639233151357344052
24 ms 156.154.64.193
13 2026-08-26 04:11 639233141034116946
10 ms 156.154.64.193
12 2026-08-26 03:54 639233130828334142
39 ms 156.154.64.193
11 2026-08-26 03:37 639233120373450007
9 ms 156.154.64.193
10 2026-08-26 03:20 639233110066216193
10 ms 156.154.64.193
9 2026-08-26 02:26 639233078065410564
2024 ms 156.154.64.193
8 2026-08-26 02:09 639233067787457832
37 ms 156.154.64.193
7 2026-08-26 01:52 639233057501801162
10 ms 156.154.64.193
6 2026-08-26 01:35 639233047089431703
10 ms 156.154.64.193
5 2026-08-26 01:17 639233036754790688
33 ms 156.154.64.193
4 2026-08-26 01:00 639233026412602472
2014 ms 156.154.64.193
3 2026-08-26 00:43 639233016064066127
8 ms 156.154.64.193
2 2026-08-26 00:26 639233005922655772
26 ms 156.154.64.193
1 2026-08-26 00:09 639232995672256907
65 ms 156.154.64.193