DNS response history for sdns50.ultradns.net

sdns50.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 65 DNS check records, 64 successful responses, 1 failed responses, and 217 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 sdns50.ultradns.net.
Records on Selected Date

65

Historical checks stored for this nameserver on selected date

Average Latency

217 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 21:43

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.141.50

Most recently resolved hosting IP on selected date

Successful Responses

64

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 sdns50.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
65 2026-08-26 21:43 639233773302621314
10 ms 156.154.141.50
64 2026-08-26 21:26 639233762896723748
17 ms 156.154.141.50
63 2026-08-26 21:08 639233752543876329
68 ms 156.154.141.50
62 2026-08-26 20:51 639233742155931788
29 ms 156.154.141.50
61 2026-08-26 20:34 639233731712555311
40 ms 156.154.141.50
60 2026-08-26 20:16 639233721164051126
27 ms 156.154.141.50
59 2026-08-26 19:58 639233710560486320
9 ms 156.154.141.50
58 2026-08-26 19:41 639233699834667450
2023 ms 156.154.141.50
57 2026-08-26 18:46 639233667209186136
14 ms 156.154.141.50
56 2026-08-26 18:29 639233656814316266
10 ms 156.154.141.50
55 2026-08-26 18:11 639233646245051806
13 ms 156.154.141.50
54 2026-08-26 17:54 639233635663779051
10 ms 156.154.141.50
53 2026-08-26 17:36 639233624977342122
9 ms 156.154.141.50
52 2026-08-26 17:18 639233614446136153
45 ms 156.154.141.50
51 2026-08-26 17:00 639233603737877581
9 ms 156.154.141.50
50 2026-08-26 16:43 639233593269224651
11 ms 156.154.141.50
49 2026-08-26 16:25 639233582635086903
19 ms 156.154.141.50
48 2026-08-26 16:07 639233572000374575
13 ms 156.154.141.50
47 2026-08-26 15:49 639233561188633861
11 ms 156.154.141.50
46 2026-08-26 15:32 639233550544357027
38 ms 156.154.141.50
45 2026-08-26 14:37 639233517966053117
12 ms 156.154.141.50
44 2026-08-26 14:20 639233507603253585
14 ms 156.154.141.50
43 2026-08-26 14:03 639233497229039167
14 ms 156.154.141.50
42 2026-08-26 13:45 639233486864546406
14 ms 156.154.141.50
41 2026-08-26 13:28 639233476455174682
26 ms 156.154.141.50
40 2026-08-26 13:11 639233466171592605
14 ms 156.154.141.50
39 2026-08-26 12:54 639233455747096265
8 ms 156.154.141.50
38 2026-08-26 12:36 639233445367152284
11 ms 156.154.141.50
37 2026-08-26 12:19 639233434974187439
11 ms 156.154.141.50
36 2026-08-26 12:02 639233424567558554
40 ms 156.154.141.50
35 2026-08-26 11:44 639233414056832719
10 ms 156.154.141.50
34 2026-08-26 11:27 639233403515141099
-
33 2026-08-26 10:32 639233370841350248
70 ms 156.154.141.50
32 2026-08-26 10:15 639233360361507238
18 ms 156.154.141.50
31 2026-08-26 09:58 639233350067824371
18 ms 156.154.141.50
30 2026-08-26 09:40 639233339545274518
30 ms 156.154.141.50
29 2026-08-26 09:23 639233329214918079
10 ms 156.154.141.50
28 2026-08-26 09:05 639233318749762337
63 ms 156.154.141.50
27 2026-08-26 08:48 639233308387917838
63 ms 156.154.141.50
26 2026-08-26 08:31 639233297961740122
34 ms 156.154.141.50
25 2026-08-26 08:13 639233287487159094
37 ms 156.154.141.50
24 2026-08-26 07:56 639233276995531707
16 ms 156.154.141.50
23 2026-08-26 07:38 639233266521568229
12 ms 156.154.141.50
22 2026-08-26 07:21 639233256081047431
9 ms 156.154.141.50
21 2026-08-26 06:27 639233223620132921
36 ms 156.154.141.50
20 2026-08-26 06:10 639233213287814244
2013 ms 156.154.141.50
19 2026-08-26 05:52 639233202925983161
10 ms 156.154.141.50
18 2026-08-26 05:35 639233192644780696
2010 ms 156.154.141.50
17 2026-08-26 05:18 639233182401183833
11 ms 156.154.141.50
16 2026-08-26 05:01 639233172074181051
26 ms 156.154.141.50
15 2026-08-26 04:44 639233161808421455
9 ms 156.154.141.50
14 2026-08-26 04:26 639233151357344052
2021 ms 156.154.141.50
13 2026-08-26 04:09 639233141034116946
16 ms 156.154.141.50
12 2026-08-26 03:52 639233130828334142
9 ms 156.154.141.50
11 2026-08-26 03:35 639233120373450007
11 ms 156.154.141.50
10 2026-08-26 03:17 639233110066216193
35 ms 156.154.141.50
9 2026-08-26 02:24 639233078065410564
517 ms 156.154.141.50
8 2026-08-26 02:07 639233067787457832
10 ms 156.154.141.50
7 2026-08-26 01:50 639233057501801162
9 ms 156.154.141.50
6 2026-08-26 01:33 639233047089431703
23 ms 156.154.141.50
5 2026-08-26 01:15 639233036754790688
11 ms 156.154.141.50
4 2026-08-26 00:58 639233026412602472
10 ms 156.154.141.50
3 2026-08-26 00:41 639233016064066127
4026 ms 156.154.141.50
2 2026-08-26 00:24 639233005922655772
34 ms 156.154.141.50
1 2026-08-26 00:07 639232995672256907
39 ms 156.154.141.50