DNS response history for pdns211.ultradns.org

pdns211.ultradns.org 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 50 DNS check records, 49 successful responses, 1 failed responses, and 279 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 pdns211.ultradns.org.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.67.211

Most recently resolved hosting IP on selected date

Successful Responses

49

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for pdns211.ultradns.org

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
50 2026-08-26 16:45 639233593269224651
31 ms 156.154.67.211
49 2026-08-26 16:27 639233582635086903
29 ms 156.154.67.211
48 2026-08-26 16:10 639233572000374575
46 ms 156.154.67.211
47 2026-08-26 15:52 639233561188633861
24 ms 156.154.67.211
46 2026-08-26 15:34 639233550544357027
31 ms 156.154.67.211
45 2026-08-26 14:40 639233517966053117
20 ms 156.154.67.211
44 2026-08-26 14:22 639233507603253585
11 ms 156.154.67.211
43 2026-08-26 14:05 639233497229039167
34 ms 156.154.67.211
42 2026-08-26 13:48 639233486864546406
83 ms 156.154.67.211
41 2026-08-26 13:30 639233476455174682
145 ms 156.154.67.211
40 2026-08-26 13:13 639233466171592605
4014 ms 156.154.67.211
39 2026-08-26 12:56 639233455747096265
13 ms 156.154.67.211
38 2026-08-26 12:39 639233445367152284
13 ms 156.154.67.211
37 2026-08-26 12:21 639233434974187439
50 ms 156.154.67.211
36 2026-08-26 12:04 639233424567558554
16 ms 156.154.67.211
35 2026-08-26 11:46 639233414056832719
16 ms 156.154.67.211
34 2026-08-26 11:29 639233403515141099
14 ms 156.154.67.211
33 2026-08-26 10:34 639233370841350248
17 ms 156.154.67.211
32 2026-08-26 10:17 639233360361507238
37 ms 156.154.67.211
31 2026-08-26 10:00 639233350067824371
15 ms 156.154.67.211
30 2026-08-26 09:42 639233339545274518
24 ms 156.154.67.211
29 2026-08-26 09:25 639233329214918079
12 ms 156.154.67.211
28 2026-08-26 09:08 639233318749762337
21 ms 156.154.67.211
27 2026-08-26 08:50 639233308387917838
13 ms 156.154.67.211
26 2026-08-26 08:33 639233297961740122
24 ms 156.154.67.211
25 2026-08-26 08:15 639233287487159094
270 ms 156.154.67.211
24 2026-08-26 07:58 639233276995531707
9 ms 156.154.67.211
23 2026-08-26 07:40 639233266521568229
40 ms 156.154.67.211
22 2026-08-26 07:23 639233256081047431
35 ms 156.154.67.211
21 2026-08-26 06:29 639233223620132921
50 ms 156.154.67.211
20 2026-08-26 06:12 639233213287814244
17 ms 156.154.67.211
19 2026-08-26 05:55 639233202925983161
2024 ms 156.154.67.211
18 2026-08-26 05:37 639233192644780696
-
17 2026-08-26 05:20 639233182401183833
9 ms 156.154.67.211
16 2026-08-26 05:03 639233172074181051
9 ms 156.154.67.211
15 2026-08-26 04:46 639233161808421455
17 ms 156.154.67.211
14 2026-08-26 04:29 639233151357344052
2024 ms 156.154.67.211
13 2026-08-26 04:11 639233141034116946
25 ms 156.154.67.211
12 2026-08-26 03:54 639233130828334142
20 ms 156.154.67.211
11 2026-08-26 03:37 639233120373450007
10 ms 156.154.67.211
10 2026-08-26 03:20 639233110066216193
9 ms 156.154.67.211
9 2026-08-26 02:26 639233078065410564
34 ms 156.154.67.211
8 2026-08-26 02:09 639233067787457832
2039 ms 156.154.67.211
7 2026-08-26 01:52 639233057501801162
2056 ms 156.154.67.211
6 2026-08-26 01:35 639233047089431703
101 ms 156.154.67.211
5 2026-08-26 01:18 639233036754790688
16 ms 156.154.67.211
4 2026-08-26 01:00 639233026412602472
33 ms 156.154.67.211
3 2026-08-26 00:43 639233016064066127
14 ms 156.154.67.211
2 2026-08-26 00:26 639233005922655772
44 ms 156.154.67.211
1 2026-08-26 00:09 639232995672256907
12 ms 156.154.67.211