DNS response history for sdns64.ultradns.net

sdns64.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, 65 successful responses, 0 failed responses, and 275 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 sdns64.ultradns.net.
Records on Selected Date

65

Historical checks stored for this nameserver on selected date

Average Latency

275 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 21:42

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.141.64

Most recently resolved hosting IP on selected date

Successful Responses

65

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 sdns64.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 21:42 639233773302621314
10 ms 156.154.141.64
64 2026-08-26 21:25 639233762896723748
87 ms 156.154.141.64
63 2026-08-26 21:08 639233752543876329
10 ms 156.154.141.64
62 2026-08-26 20:50 639233742155931788
10 ms 156.154.141.64
61 2026-08-26 20:33 639233731712555311
39 ms 156.154.141.64
60 2026-08-26 20:15 639233721164051126
12 ms 156.154.141.64
59 2026-08-26 19:58 639233710560486320
32 ms 156.154.141.64
58 2026-08-26 19:40 639233699834667450
27 ms 156.154.141.64
57 2026-08-26 18:45 639233667209186136
11 ms 156.154.141.64
56 2026-08-26 18:28 639233656814316266
11 ms 156.154.141.64
55 2026-08-26 18:10 639233646245051806
10 ms 156.154.141.64
54 2026-08-26 17:53 639233635663779051
21 ms 156.154.141.64
53 2026-08-26 17:35 639233624977342122
13 ms 156.154.141.64
52 2026-08-26 17:17 639233614446136153
15 ms 156.154.141.64
51 2026-08-26 17:00 639233603737877581
16 ms 156.154.141.64
50 2026-08-26 16:42 639233593269224651
24 ms 156.154.141.64
49 2026-08-26 16:24 639233582635086903
11 ms 156.154.141.64
48 2026-08-26 16:07 639233572000374575
12 ms 156.154.141.64
47 2026-08-26 15:49 639233561188633861
12 ms 156.154.141.64
46 2026-08-26 15:31 639233550544357027
24 ms 156.154.141.64
45 2026-08-26 14:37 639233517966053117
45 ms 156.154.141.64
44 2026-08-26 14:19 639233507603253585
92 ms 156.154.141.64
43 2026-08-26 14:02 639233497229039167
10 ms 156.154.141.64
42 2026-08-26 13:45 639233486864546406
45 ms 156.154.141.64
41 2026-08-26 13:27 639233476455174682
25 ms 156.154.141.64
40 2026-08-26 13:10 639233466171592605
30 ms 156.154.141.64
39 2026-08-26 12:53 639233455747096265
97 ms 156.154.141.64
38 2026-08-26 12:36 639233445367152284
52 ms 156.154.141.64
37 2026-08-26 12:18 639233434974187439
2030 ms 156.154.141.64
36 2026-08-26 12:01 639233424567558554
149 ms 156.154.141.64
35 2026-08-26 11:43 639233414056832719
39 ms 156.154.141.64
34 2026-08-26 11:26 639233403515141099
33 ms 156.154.141.64
33 2026-08-26 10:31 639233370841350248
9 ms 156.154.141.64
32 2026-08-26 10:14 639233360361507238
10 ms 156.154.141.64
31 2026-08-26 09:57 639233350067824371
24 ms 156.154.141.64
30 2026-08-26 09:39 639233339545274518
2043 ms 156.154.141.64
29 2026-08-26 09:22 639233329214918079
14 ms 156.154.141.64
28 2026-08-26 09:05 639233318749762337
12 ms 156.154.141.64
27 2026-08-26 08:47 639233308387917838
29 ms 156.154.141.64
26 2026-08-26 08:30 639233297961740122
2018 ms 156.154.141.64
25 2026-08-26 08:12 639233287487159094
18 ms 156.154.141.64
24 2026-08-26 07:55 639233276995531707
9 ms 156.154.141.64
23 2026-08-26 07:37 639233266521568229
26 ms 156.154.141.64
22 2026-08-26 07:20 639233256081047431
12 ms 156.154.141.64
21 2026-08-26 06:26 639233223620132921
2034 ms 156.154.141.64
20 2026-08-26 06:09 639233213287814244
12 ms 156.154.141.64
19 2026-08-26 05:51 639233202925983161
10 ms 156.154.141.64
18 2026-08-26 05:34 639233192644780696
18 ms 156.154.141.64
17 2026-08-26 05:17 639233182401183833
24 ms 156.154.141.64
16 2026-08-26 05:00 639233172074181051
26 ms 156.154.141.64
15 2026-08-26 04:43 639233161808421455
8 ms 156.154.141.64
14 2026-08-26 04:26 639233151357344052
32 ms 156.154.141.64
13 2026-08-26 04:08 639233141034116946
177 ms 156.154.141.64
12 2026-08-26 03:51 639233130828334142
10 ms 156.154.141.64
11 2026-08-26 03:34 639233120373450007
9 ms 156.154.141.64
10 2026-08-26 03:17 639233110066216193
29 ms 156.154.141.64
9 2026-08-26 02:23 639233078065410564
2038 ms 156.154.141.64
8 2026-08-26 02:06 639233067787457832
32 ms 156.154.141.64
7 2026-08-26 01:49 639233057501801162
29 ms 156.154.141.64
6 2026-08-26 01:32 639233047089431703
17 ms 156.154.141.64
5 2026-08-26 01:15 639233036754790688
4012 ms 156.154.141.64
4 2026-08-26 00:57 639233026412602472
34 ms 156.154.141.64
3 2026-08-26 00:40 639233016064066127
2019 ms 156.154.141.64
2 2026-08-26 00:23 639233005922655772
10 ms 156.154.141.64
1 2026-08-26 00:06 639232995672256907
13 ms 156.154.141.64