DNS response history for ns2.sys-op.com

ns2.sys-op.com 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 294 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 ns2.sys-op.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

294 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:51

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.217.181.131

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 ns2.sys-op.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:51 639229527598660841
56 ms 91.217.181.131
72 2026-08-21 23:35 639229517954323214
41 ms 91.217.181.131
71 2026-08-21 23:19 639229508269999021
70 ms 91.217.181.131
70 2026-08-21 23:02 639229498559060171
2083 ms 91.217.181.131
69 2026-08-21 22:46 639229488519347586
92 ms 91.217.181.131
68 2026-08-21 21:53 639229456606578934
42 ms 91.217.181.131
67 2026-08-21 21:36 639229446985772499
9 ms 91.217.181.131
66 2026-08-21 21:20 639229437367313098
50 ms 91.217.181.131
65 2026-08-21 21:05 639229427923950391
87 ms 91.217.181.131
64 2026-08-21 20:48 639229418168588854
101 ms 91.217.181.131
63 2026-08-21 20:32 639229408345678334
53 ms 91.217.181.131
62 2026-08-21 20:16 639229398616354648
84 ms 91.217.181.131
61 2026-08-21 20:00 639229388634592323
38 ms 91.217.181.131
60 2026-08-21 19:43 639229378792837692
95 ms 91.217.181.131
59 2026-08-21 19:27 639229369154682311
2098 ms 91.217.181.131
58 2026-08-21 19:10 639229359248017926
73 ms 91.217.181.131
57 2026-08-21 18:53 639229349124294642
2093 ms 91.217.181.131
56 2026-08-21 18:01 639229317791715692
141 ms 91.217.181.131
55 2026-08-21 17:45 639229308115194575
54 ms 91.217.181.131
54 2026-08-21 17:29 639229298320320558
63 ms 91.217.181.131
53 2026-08-21 17:13 639229288674863221
36 ms 91.217.181.131
52 2026-08-21 16:56 639229278983677079
42 ms 91.217.181.131
51 2026-08-21 16:40 639229269405517175
58 ms 91.217.181.131
50 2026-08-21 16:24 639229259594798244
2081 ms 91.217.181.131
49 2026-08-21 16:08 639229249736681188
73 ms 91.217.181.131
48 2026-08-21 15:51 639229239699417787
105 ms 91.217.181.131
47 2026-08-21 15:34 639229229621964033
38 ms 91.217.181.131
46 2026-08-21 15:17 639229219567270965
2132 ms 91.217.181.131
45 2026-08-21 15:01 639229209406666856
176 ms 91.217.181.131
44 2026-08-21 14:08 639229177815876178
94 ms 91.217.181.131
43 2026-08-21 13:52 639229168243572685
104 ms 91.217.181.131
42 2026-08-21 13:36 639229158599856475
42 ms 91.217.181.131
41 2026-08-21 13:20 639229148998940902
78 ms 91.217.181.131
40 2026-08-21 13:04 639229139276923594
7 ms 91.217.181.131
39 2026-08-21 12:48 639229129709912394
106 ms 91.217.181.131
38 2026-08-21 12:31 639229119801488500
46 ms 91.217.181.131
37 2026-08-21 12:15 639229110135262458
32 ms 91.217.181.131
36 2026-08-21 11:59 639229100336051392
30 ms 91.217.181.131
35 2026-08-21 11:42 639229090641415626
32 ms 91.217.181.131
34 2026-08-21 11:26 639229080702683947
84 ms 91.217.181.131
33 2026-08-21 11:09 639229070601456699
50 ms 91.217.181.131
32 2026-08-21 10:16 639229038947447232
101 ms 91.217.181.131
31 2026-08-21 10:00 639229029268708773
89 ms 91.217.181.131
30 2026-08-21 09:44 639229019647910603
28 ms 91.217.181.131
29 2026-08-21 09:28 639229009983843738
39 ms 91.217.181.131
28 2026-08-21 09:12 639229000203331882
44 ms 91.217.181.131
27 2026-08-21 08:55 639228990302335999
2101 ms 91.217.181.131
26 2026-08-21 08:39 639228980567740722
121 ms 91.217.181.131
25 2026-08-21 08:23 639228970762445174
74 ms 91.217.181.131
24 2026-08-21 08:07 639228961065054445
48 ms 91.217.181.131
23 2026-08-21 07:50 639228951224649885
64 ms 91.217.181.131
22 2026-08-21 07:34 639228941303864592
2065 ms 91.217.181.131
21 2026-08-21 07:17 639228931191328583
163 ms 91.217.181.131
20 2026-08-21 06:24 639228899518173317
15 ms 91.217.181.131
19 2026-08-21 06:08 639228889785027669
2128 ms 91.217.181.131
18 2026-08-21 05:52 639228880106330161
6 ms 91.217.181.131
17 2026-08-21 05:35 639228870316184091
69 ms 91.217.181.131
16 2026-08-21 05:19 639228860695366512
28 ms 91.217.181.131
15 2026-08-21 05:03 639228851027209500
59 ms 91.217.181.131
14 2026-08-21 04:47 639228841479265462
-
13 2026-08-21 04:31 639228831752962260
7 ms 91.217.181.131
12 2026-08-21 04:15 639228821953295483
83 ms 91.217.181.131
11 2026-08-21 03:59 639228812227429953
14 ms 91.217.181.131
10 2026-08-21 03:42 639228802476107538
71 ms 91.217.181.131
9 2026-08-21 03:26 639228792525492032
78 ms 91.217.181.131
8 2026-08-21 02:33 639228761131421385
78 ms 91.217.181.131
7 2026-08-21 02:17 639228751571206692
144 ms 91.217.181.131
6 2026-08-21 02:01 639228741705571019
92 ms 91.217.181.131
5 2026-08-21 01:44 639228731642208228
57 ms 91.217.181.131
4 2026-08-21 00:52 639228700387002072
82 ms 91.217.181.131
3 2026-08-21 00:36 639228690742014433
9 ms 91.217.181.131
2 2026-08-21 00:20 639228680877937122
-
1 2026-08-21 00:03 639228670775860800
75 ms 91.217.181.131