DNS response history for sdns31.ultradns.biz

sdns31.ultradns.biz 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 2026-08-29. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 356 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 sdns31.ultradns.biz.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

356 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 18:41

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.142.31

Most recently resolved hosting IP on selected date

Successful Responses

54

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 sdns31.ultradns.biz

Showing DNS history for 2026-08-29 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
54 2026-08-29 18:41 639236254203764064
52 ms 156.154.142.31
53 2026-08-29 18:24 639236243919128798
8 ms 156.154.142.31
52 2026-08-29 17:30 639236211708980066
36 ms 156.154.142.31
51 2026-08-29 17:14 639236201724764228
2040 ms 156.154.142.31
50 2026-08-29 16:57 639236191714376906
9 ms 156.154.142.31
49 2026-08-29 16:40 639236181773042179
8 ms 156.154.142.31
48 2026-08-29 16:24 639236171632735061
19 ms 156.154.142.31
47 2026-08-29 16:07 639236161347015414
27 ms 156.154.142.31
46 2026-08-29 15:49 639236151200362098
7 ms 156.154.142.31
45 2026-08-29 15:33 639236141026805328
25 ms 156.154.142.31
44 2026-08-29 15:16 639236131100930722
10 ms 156.154.142.31
43 2026-08-29 14:59 639236120950030411
2017 ms 156.154.142.31
42 2026-08-29 14:42 639236110532007205
13 ms 156.154.142.31
41 2026-08-29 14:25 639236100176958860
36 ms 156.154.142.31
40 2026-08-29 13:32 639236068470247956
2016 ms 156.154.142.31
39 2026-08-29 13:15 639236058468679452
15 ms 156.154.142.31
38 2026-08-29 12:58 639236048317337090
12 ms 156.154.142.31
37 2026-08-29 12:41 639236038221169202
2032 ms 156.154.142.31
36 2026-08-29 12:25 639236028175589918
25 ms 156.154.142.31
35 2026-08-29 12:08 639236017965421028
19 ms 156.154.142.31
34 2026-08-29 11:51 639236007792625266
21 ms 156.154.142.31
33 2026-08-29 11:34 639235997602806960
10 ms 156.154.142.31
32 2026-08-29 11:17 639235987487833458
9 ms 156.154.142.31
31 2026-08-29 11:00 639235977211002296
37 ms 156.154.142.31
30 2026-08-29 10:42 639235966864596836
28 ms 156.154.142.31
29 2026-08-29 10:25 639235956590882003
47 ms 156.154.142.31
28 2026-08-29 09:32 639235924465736791
2013 ms 156.154.142.31
27 2026-08-29 09:15 639235914430611197
20 ms 156.154.142.31
26 2026-08-29 08:58 639235904343784853
9 ms 156.154.142.31
25 2026-08-29 08:41 639235894201078068
2034 ms 156.154.142.31
24 2026-08-29 08:24 639235884233447452
10 ms 156.154.142.31
23 2026-08-29 08:08 639235874142207309
2011 ms 156.154.142.31
22 2026-08-29 07:51 639235863974652466
62 ms 156.154.142.31
21 2026-08-29 07:34 639235853716243436
10 ms 156.154.142.31
20 2026-08-29 07:17 639235843614494759
10 ms 156.154.142.31
19 2026-08-29 07:00 639235833401459551
16 ms 156.154.142.31
18 2026-08-29 06:43 639235823220464528
8 ms 156.154.142.31
17 2026-08-29 06:26 639235812997510905
2046 ms 156.154.142.31
16 2026-08-29 05:33 639235781101962521
10 ms 156.154.142.31
15 2026-08-29 05:16 639235771207673260
10 ms 156.154.142.31
14 2026-08-29 04:59 639235761047429642
21 ms 156.154.142.31
13 2026-08-29 04:43 639235750964347246
13 ms 156.154.142.31
12 2026-08-29 04:26 639235740923490874
28 ms 156.154.142.31
11 2026-08-29 04:09 639235730842894399
9 ms 156.154.142.31
10 2026-08-29 03:52 639235720760084717
2030 ms 156.154.142.31
9 2026-08-29 03:35 639235710843666743
45 ms 156.154.142.31
8 2026-08-29 03:19 639235700733510561
36 ms 156.154.142.31
7 2026-08-29 03:02 639235690509906192
8 ms 156.154.142.31
6 2026-08-29 02:44 639235680156673501
82 ms 156.154.142.31
5 2026-08-29 02:27 639235669720606443
23 ms 156.154.142.31
4 2026-08-29 01:33 639235637451417084
7 ms 156.154.142.31
3 2026-08-29 01:16 639235627307383453
11 ms 156.154.142.31
2 2026-08-29 00:59 639235616906386856
20 ms 156.154.142.31
1 2026-08-29 00:42 639235606582912691
69 ms 156.154.142.31