DNS response history for pdns220.ultradns.net

pdns220.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 45 DNS check records, 45 successful responses, 0 failed responses, and 342 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 pdns220.ultradns.net.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

342 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 14:36

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.65.220

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 pdns220.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
45 2026-08-26 14:36 639233517966053117
2086 ms 156.154.65.220
44 2026-08-26 14:19 639233507603253585
22 ms 156.154.65.220
43 2026-08-26 14:02 639233497229039167
2035 ms 156.154.65.220
42 2026-08-26 13:45 639233486864546406
20 ms 156.154.65.220
41 2026-08-26 13:27 639233476455174682
30 ms 156.154.65.220
40 2026-08-26 13:10 639233466171592605
16 ms 156.154.65.220
39 2026-08-26 12:53 639233455747096265
4054 ms 156.154.65.220
38 2026-08-26 12:35 639233445367152284
16 ms 156.154.65.220
37 2026-08-26 12:18 639233434974187439
31 ms 156.154.65.220
36 2026-08-26 12:01 639233424567558554
53 ms 156.154.65.220
35 2026-08-26 11:43 639233414056832719
11 ms 156.154.65.220
34 2026-08-26 11:26 639233403515141099
62 ms 156.154.65.220
33 2026-08-26 10:31 639233370841350248
23 ms 156.154.65.220
32 2026-08-26 10:14 639233360361507238
9 ms 156.154.65.220
31 2026-08-26 09:57 639233350067824371
39 ms 156.154.65.220
30 2026-08-26 09:39 639233339545274518
2018 ms 156.154.65.220
29 2026-08-26 09:22 639233329214918079
25 ms 156.154.65.220
28 2026-08-26 09:04 639233318749762337
32 ms 156.154.65.220
27 2026-08-26 08:47 639233308387917838
46 ms 156.154.65.220
26 2026-08-26 08:30 639233297961740122
51 ms 156.154.65.220
25 2026-08-26 08:12 639233287487159094
23 ms 156.154.65.220
24 2026-08-26 07:55 639233276995531707
37 ms 156.154.65.220
23 2026-08-26 07:37 639233266521568229
19 ms 156.154.65.220
22 2026-08-26 07:20 639233256081047431
15 ms 156.154.65.220
21 2026-08-26 06:26 639233223620132921
15 ms 156.154.65.220
20 2026-08-26 06:09 639233213287814244
12 ms 156.154.65.220
19 2026-08-26 05:51 639233202925983161
10 ms 156.154.65.220
18 2026-08-26 05:34 639233192644780696
25 ms 156.154.65.220
17 2026-08-26 05:17 639233182401183833
2086 ms 156.154.65.220
16 2026-08-26 05:00 639233172074181051
34 ms 156.154.65.220
15 2026-08-26 04:43 639233161808421455
41 ms 156.154.65.220
14 2026-08-26 04:25 639233151357344052
16 ms 156.154.65.220
13 2026-08-26 04:08 639233141034116946
41 ms 156.154.65.220
12 2026-08-26 03:51 639233130828334142
54 ms 156.154.65.220
11 2026-08-26 03:34 639233120373450007
24 ms 156.154.65.220
10 2026-08-26 03:17 639233110066216193
22 ms 156.154.65.220
9 2026-08-26 02:23 639233078065410564
2014 ms 156.154.65.220
8 2026-08-26 02:06 639233067787457832
35 ms 156.154.65.220
7 2026-08-26 01:49 639233057501801162
45 ms 156.154.65.220
6 2026-08-26 01:32 639233047089431703
10 ms 156.154.65.220
5 2026-08-26 01:14 639233036754790688
57 ms 156.154.65.220
4 2026-08-26 00:57 639233026412602472
9 ms 156.154.65.220
3 2026-08-26 00:40 639233016064066127
13 ms 156.154.65.220
2 2026-08-26 00:23 639233005922655772
15 ms 156.154.65.220
1 2026-08-26 00:06 639232995672256907
27 ms 156.154.65.220