DNS response history for sdns100.ultradns.org

sdns100.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 65 DNS check records, 65 successful responses, 0 failed responses, and 195 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 sdns100.ultradns.org.
Records on Selected Date

65

Historical checks stored for this nameserver on selected date

Average Latency

195 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

156.154.143.100

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 sdns100.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
65 2026-08-26 21:43 639233773302621314
32 ms 156.154.143.100
64 2026-08-26 21:25 639233762896723748
34 ms 156.154.143.100
63 2026-08-26 21:08 639233752543876329
26 ms 156.154.143.100
62 2026-08-26 20:51 639233742155931788
10 ms 156.154.143.100
61 2026-08-26 20:33 639233731712555311
58 ms 156.154.143.100
60 2026-08-26 20:16 639233721164051126
30 ms 156.154.143.100
59 2026-08-26 19:58 639233710560486320
162 ms 156.154.143.100
58 2026-08-26 19:40 639233699834667450
2022 ms 156.154.143.100
57 2026-08-26 18:46 639233667209186136
12 ms 156.154.143.100
56 2026-08-26 18:28 639233656814316266
2041 ms 156.154.143.100
55 2026-08-26 18:11 639233646245051806
11 ms 156.154.143.100
54 2026-08-26 17:53 639233635663779051
54 ms 156.154.143.100
53 2026-08-26 17:35 639233624977342122
46 ms 156.154.143.100
52 2026-08-26 17:18 639233614446136153
11 ms 156.154.143.100
51 2026-08-26 17:00 639233603737877581
22 ms 156.154.143.100
50 2026-08-26 16:43 639233593269224651
11 ms 156.154.143.100
49 2026-08-26 16:25 639233582635086903
19 ms 156.154.143.100
48 2026-08-26 16:07 639233572000374575
72 ms 156.154.143.100
47 2026-08-26 15:49 639233561188633861
9 ms 156.154.143.100
46 2026-08-26 15:31 639233550544357027
49 ms 156.154.143.100
45 2026-08-26 14:37 639233517966053117
380 ms 156.154.143.100
44 2026-08-26 14:20 639233507603253585
11 ms 156.154.143.100
43 2026-08-26 14:02 639233497229039167
9 ms 156.154.143.100
42 2026-08-26 13:45 639233486864546406
33 ms 156.154.143.100
41 2026-08-26 13:28 639233476455174682
61 ms 156.154.143.100
40 2026-08-26 13:11 639233466171592605
77 ms 156.154.143.100
39 2026-08-26 12:53 639233455747096265
11 ms 156.154.143.100
38 2026-08-26 12:36 639233445367152284
4075 ms 156.154.143.100
37 2026-08-26 12:19 639233434974187439
40 ms 156.154.143.100
36 2026-08-26 12:01 639233424567558554
70 ms 156.154.143.100
35 2026-08-26 11:44 639233414056832719
12 ms 156.154.143.100
34 2026-08-26 11:26 639233403515141099
11 ms 156.154.143.100
33 2026-08-26 10:32 639233370841350248
10 ms 156.154.143.100
32 2026-08-26 10:14 639233360361507238
2020 ms 156.154.143.100
31 2026-08-26 09:57 639233350067824371
45 ms 156.154.143.100
30 2026-08-26 09:40 639233339545274518
36 ms 156.154.143.100
29 2026-08-26 09:22 639233329214918079
21 ms 156.154.143.100
28 2026-08-26 09:05 639233318749762337
64 ms 156.154.143.100
27 2026-08-26 08:48 639233308387917838
22 ms 156.154.143.100
26 2026-08-26 08:30 639233297961740122
172 ms 156.154.143.100
25 2026-08-26 08:13 639233287487159094
12 ms 156.154.143.100
24 2026-08-26 07:55 639233276995531707
70 ms 156.154.143.100
23 2026-08-26 07:38 639233266521568229
10 ms 156.154.143.100
22 2026-08-26 07:21 639233256081047431
31 ms 156.154.143.100
21 2026-08-26 06:26 639233223620132921
26 ms 156.154.143.100
20 2026-08-26 06:09 639233213287814244
19 ms 156.154.143.100
19 2026-08-26 05:52 639233202925983161
11 ms 156.154.143.100
18 2026-08-26 05:35 639233192644780696
159 ms 156.154.143.100
17 2026-08-26 05:18 639233182401183833
25 ms 156.154.143.100
16 2026-08-26 05:01 639233172074181051
24 ms 156.154.143.100
15 2026-08-26 04:43 639233161808421455
32 ms 156.154.143.100
14 2026-08-26 04:26 639233151357344052
34 ms 156.154.143.100
13 2026-08-26 04:09 639233141034116946
41 ms 156.154.143.100
12 2026-08-26 03:52 639233130828334142
43 ms 156.154.143.100
11 2026-08-26 03:34 639233120373450007
63 ms 156.154.143.100
10 2026-08-26 03:17 639233110066216193
10 ms 156.154.143.100
9 2026-08-26 02:24 639233078065410564
41 ms 156.154.143.100
8 2026-08-26 02:07 639233067787457832
9 ms 156.154.143.100
7 2026-08-26 01:50 639233057501801162
10 ms 156.154.143.100
6 2026-08-26 01:32 639233047089431703
34 ms 156.154.143.100
5 2026-08-26 01:15 639233036754790688
22 ms 156.154.143.100
4 2026-08-26 00:58 639233026412602472
10 ms 156.154.143.100
3 2026-08-26 00:41 639233016064066127
9 ms 156.154.143.100
2 2026-08-26 00:24 639233005922655772
9 ms 156.154.143.100
1 2026-08-26 00:07 639232995672256907
10 ms 156.154.143.100