History for ns1.ist-sysadmin.de

Domain: ist-sysadmin.de • Tracking since 2026-08-04 23:25 UTC

DNS response history for ns1.ist-sysadmin.de

ns1.ist-sysadmin.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 71 successful responses, 2 failed responses, and 279 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 ns1.ist-sysadmin.de.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

78.47.90.50

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

2

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 ns1.ist-sysadmin.de

Showing DNS history for 2026-08-21 UTC. Newest records appear first.

Today Previous Next

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
73 2026-08-21 23:48 639229527598660841
2030 ms 78.47.90.50
72 2026-08-21 23:32 639229517954323214
2035 ms 78.47.90.50
71 2026-08-21 23:16 639229508269999021
82 ms 78.47.90.50
70 2026-08-21 23:00 639229498559060171
54 ms 78.47.90.50
69 2026-08-21 22:43 639229488519347586
37 ms 78.47.90.50
68 2026-08-21 21:50 639229456606578934
87 ms 78.47.90.50
67 2026-08-21 21:34 639229446985772499
44 ms 78.47.90.50
66 2026-08-21 21:18 639229437367313098
50 ms 78.47.90.50
65 2026-08-21 21:02 639229427923950391
35 ms 78.47.90.50
64 2026-08-21 20:46 639229418168588854
93 ms 78.47.90.50
63 2026-08-21 20:30 639229408345678334
103 ms 78.47.90.50
62 2026-08-21 20:13 639229398616354648
17 ms 78.47.90.50
61 2026-08-21 19:57 639229388634592323
33 ms 78.47.90.50
60 2026-08-21 19:40 639229378792837692
53 ms 78.47.90.50
59 2026-08-21 19:24 639229369154682311
58 ms 78.47.90.50
58 2026-08-21 19:08 639229359248017926
51 ms 78.47.90.50
57 2026-08-21 18:51 639229349124294642
56 ms 78.47.90.50
56 2026-08-21 17:59 639229317791715692
57 ms 78.47.90.50
55 2026-08-21 17:42 639229308115194575
47 ms 78.47.90.50
54 2026-08-21 17:26 639229298320320558
47 ms 78.47.90.50
53 2026-08-21 17:10 639229288674863221
24 ms 78.47.90.50
52 2026-08-21 16:54 639229278983677079
58 ms 78.47.90.50
51 2026-08-21 16:38 639229269405517175
85 ms 78.47.90.50
50 2026-08-21 16:22 639229259594798244
35 ms 78.47.90.50
49 2026-08-21 16:05 639229249736681188
41 ms 78.47.90.50
48 2026-08-21 15:49 639229239699417787
38 ms 78.47.90.50
47 2026-08-21 15:32 639229229621964033
28 ms 78.47.90.50
46 2026-08-21 15:15 639229219567270965
14 ms 78.47.90.50
45 2026-08-21 14:58 639229209406666856
54 ms 78.47.90.50
44 2026-08-21 14:05 639229177815876178
2020 ms 78.47.90.50
43 2026-08-21 13:49 639229168243572685
56 ms 78.47.90.50
42 2026-08-21 13:33 639229158599856475
36 ms 78.47.90.50
41 2026-08-21 13:17 639229148998940902
72 ms 78.47.90.50
40 2026-08-21 13:01 639229139276923594
-
39 2026-08-21 12:45 639229129709912394
2143 ms 78.47.90.50
38 2026-08-21 12:29 639229119801488500
26 ms 78.47.90.50
37 2026-08-21 12:12 639229110135262458
2031 ms 78.47.90.50
36 2026-08-21 11:56 639229100336051392
61 ms 78.47.90.50
35 2026-08-21 11:40 639229090641415626
51 ms 78.47.90.50
34 2026-08-21 11:23 639229080702683947
146 ms 78.47.90.50
33 2026-08-21 11:07 639229070601456699
45 ms 78.47.90.50
32 2026-08-21 10:14 639229038947447232
2023 ms 78.47.90.50
31 2026-08-21 09:58 639229029268708773
44 ms 78.47.90.50
30 2026-08-21 09:42 639229019647910603
53 ms 78.47.90.50
29 2026-08-21 09:26 639229009983843738
40 ms 78.47.90.50
28 2026-08-21 09:09 639229000203331882
2038 ms 78.47.90.50
27 2026-08-21 08:53 639228990302335999
65 ms 78.47.90.50
26 2026-08-21 08:37 639228980567740722
49 ms 78.47.90.50
25 2026-08-21 08:20 639228970762445174
143 ms 78.47.90.50
24 2026-08-21 08:04 639228961065054445
51 ms 78.47.90.50
23 2026-08-21 07:48 639228951224649885
2022 ms 78.47.90.50
22 2026-08-21 07:31 639228941303864592
54 ms 78.47.90.50
21 2026-08-21 07:14 639228931191328583
68 ms 78.47.90.50
20 2026-08-21 06:22 639228899518173317
66 ms 78.47.90.50
19 2026-08-21 06:05 639228889785027669
104 ms 78.47.90.50
18 2026-08-21 05:49 639228880106330161
34 ms 78.47.90.50
17 2026-08-21 05:33 639228870316184091
-
16 2026-08-21 05:17 639228860695366512
22 ms 78.47.90.50
15 2026-08-21 05:01 639228851027209500
77 ms 78.47.90.50
14 2026-08-21 04:45 639228841479265462
21 ms 78.47.90.50
13 2026-08-21 04:29 639228831752962260
51 ms 78.47.90.50
12 2026-08-21 04:12 639228821953295483
93 ms 78.47.90.50
11 2026-08-21 03:56 639228812227429953
47 ms 78.47.90.50
10 2026-08-21 03:40 639228802476107538
70 ms 78.47.90.50
9 2026-08-21 03:23 639228792525492032
48 ms 78.47.90.50
8 2026-08-21 02:31 639228761131421385
27 ms 78.47.90.50
7 2026-08-21 02:15 639228751571206692
73 ms 78.47.90.50
6 2026-08-21 01:58 639228741705571019
29 ms 78.47.90.50
5 2026-08-21 01:42 639228731642208228
75 ms 78.47.90.50
4 2026-08-21 00:50 639228700387002072
41 ms 78.47.90.50
3 2026-08-21 00:33 639228690742014433
35 ms 78.47.90.50
2 2026-08-21 00:17 639228680877937122
59 ms 78.47.90.50
1 2026-08-21 00:00 639228670775860800
49 ms 78.47.90.50