DNS response history for ns01.isum.de

ns01.isum.de 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 33 DNS check records, 32 successful responses, 1 failed responses, and 219 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 ns01.isum.de.
Records on Selected Date

33

Historical checks stored for this nameserver on selected date

Average Latency

219 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 10:32

All timestamps shown in UTC

Latest Resolved IP on Selected Date

85.214.92.206

Most recently resolved hosting IP on selected date

Successful Responses

32

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns01.isum.de

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
33 2026-08-26 10:32 639233370841350248
42 ms 85.214.92.206
32 2026-08-26 10:15 639233360361507238
33 ms 85.214.92.206
31 2026-08-26 09:58 639233350067824371
13 ms 85.214.92.206
30 2026-08-26 09:40 639233339545274518
19 ms 85.214.92.206
29 2026-08-26 09:23 639233329214918079
27 ms 85.214.92.206
28 2026-08-26 09:06 639233318749762337
9 ms 85.214.92.206
27 2026-08-26 08:48 639233308387917838
26 ms 85.214.92.206
26 2026-08-26 08:31 639233297961740122
25 ms 85.214.92.206
25 2026-08-26 08:14 639233287487159094
27 ms 85.214.92.206
24 2026-08-26 07:56 639233276995531707
20 ms 85.214.92.206
23 2026-08-26 07:39 639233266521568229
25 ms 85.214.92.206
22 2026-08-26 07:21 639233256081047431
134 ms 85.214.92.206
21 2026-08-26 06:27 639233223620132921
14 ms 85.214.92.206
20 2026-08-26 06:10 639233213287814244
-
19 2026-08-26 05:53 639233202925983161
15 ms 85.214.92.206
18 2026-08-26 05:36 639233192644780696
23 ms 85.214.92.206
17 2026-08-26 05:18 639233182401183833
39 ms 85.214.92.206
16 2026-08-26 05:01 639233172074181051
15 ms 85.214.92.206
15 2026-08-26 04:44 639233161808421455
46 ms 85.214.92.206
14 2026-08-26 04:27 639233151357344052
22 ms 85.214.92.206
13 2026-08-26 04:09 639233141034116946
10 ms 85.214.92.206
12 2026-08-26 03:52 639233130828334142
41 ms 85.214.92.206
11 2026-08-26 03:35 639233120373450007
2012 ms 85.214.92.206
10 2026-08-26 03:18 639233110066216193
80 ms 85.214.92.206
9 2026-08-26 02:25 639233078065410564
35 ms 85.214.92.206
8 2026-08-26 02:07 639233067787457832
4044 ms 85.214.92.206
7 2026-08-26 01:50 639233057501801162
38 ms 85.214.92.206
6 2026-08-26 01:33 639233047089431703
35 ms 85.214.92.206
5 2026-08-26 01:16 639233036754790688
37 ms 85.214.92.206
4 2026-08-26 00:58 639233026412602472
22 ms 85.214.92.206
3 2026-08-26 00:41 639233016064066127
23 ms 85.214.92.206
2 2026-08-26 00:24 639233005922655772
31 ms 85.214.92.206
1 2026-08-26 00:07 639232995672256907
26 ms 85.214.92.206