DNS response history for ns1.sys-op.com

ns1.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 2026-08-25. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 183 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.sys-op.com.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

183 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 19:29

All timestamps shown in UTC

Latest Resolved IP on Selected Date

91.217.181.130

Most recently resolved hosting IP on selected date

Successful Responses

56

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 ns1.sys-op.com

Showing DNS history for 2026-08-25 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
56 2026-08-25 19:29 639232828175327683
75 ms 91.217.181.130
55 2026-08-25 19:12 639232817798330473
78 ms 91.217.181.130
54 2026-08-25 18:18 639232785462407552
57 ms 91.217.181.130
53 2026-08-25 18:01 639232775177487032
32 ms 91.217.181.130
52 2026-08-25 17:44 639232764991087115
2133 ms 91.217.181.130
51 2026-08-25 17:27 639232754842971478
99 ms 91.217.181.130
50 2026-08-25 17:10 639232744455159107
70 ms 91.217.181.130
49 2026-08-25 16:53 639232734145178231
2106 ms 91.217.181.130
48 2026-08-25 16:35 639232723827874402
34 ms 91.217.181.130
47 2026-08-25 16:18 639232713533011892
44 ms 91.217.181.130
46 2026-08-25 16:01 639232703065318207
83 ms 91.217.181.130
45 2026-08-25 15:43 639232692629559470
88 ms 91.217.181.130
44 2026-08-25 15:26 639232682238836475
47 ms 91.217.181.130
43 2026-08-25 15:09 639232671787004306
81 ms 91.217.181.130
42 2026-08-25 14:14 639232638994329666
90 ms 91.217.181.130
41 2026-08-25 13:57 639232628614783237
90 ms 91.217.181.130
40 2026-08-25 13:40 639232618360728578
82 ms 91.217.181.130
39 2026-08-25 13:22 639232608016476376
93 ms 91.217.181.130
38 2026-08-25 13:05 639232597643611557
90 ms 91.217.181.130
37 2026-08-25 12:48 639232587225721862
78 ms 91.217.181.130
36 2026-08-25 12:30 639232576780683689
73 ms 91.217.181.130
35 2026-08-25 12:13 639232566381512620
48 ms 91.217.181.130
34 2026-08-25 11:56 639232556111768563
60 ms 91.217.181.130
33 2026-08-25 11:39 639232545839529039
107 ms 91.217.181.130
32 2026-08-25 11:21 639232535349285207
64 ms 91.217.181.130
31 2026-08-25 11:04 639232524938080723
43 ms 91.217.181.130
30 2026-08-25 10:10 639232492740373468
35 ms 91.217.181.130
29 2026-08-25 09:53 639232482235303141
72 ms 91.217.181.130
28 2026-08-25 09:35 639232471861770303
99 ms 91.217.181.130
27 2026-08-25 09:18 639232461630217327
104 ms 91.217.181.130
26 2026-08-25 09:01 639232451282965990
68 ms 91.217.181.130
25 2026-08-25 08:44 639232440814614938
66 ms 91.217.181.130
24 2026-08-25 08:26 639232430410720425
81 ms 91.217.181.130
23 2026-08-25 08:09 639232420003096185
76 ms 91.217.181.130
22 2026-08-25 07:52 639232409467287444
44 ms 91.217.181.130
21 2026-08-25 07:34 639232399077195997
93 ms 91.217.181.130
20 2026-08-25 07:17 639232388731528337
91 ms 91.217.181.130
19 2026-08-25 07:00 639232378288598612
2090 ms 91.217.181.130
18 2026-08-25 06:06 639232346196373643
115 ms 91.217.181.130
17 2026-08-25 05:49 639232336112370741
53 ms 91.217.181.130
16 2026-08-25 05:33 639232326146508970
88 ms 91.217.181.130
15 2026-08-25 05:16 639232316189381720
91 ms 91.217.181.130
14 2026-08-25 04:59 639232306217998913
64 ms 91.217.181.130
13 2026-08-25 04:43 639232296255744174
96 ms 91.217.181.130
12 2026-08-25 04:26 639232286095760789
130 ms 91.217.181.130
11 2026-08-25 04:09 639232276086186273
76 ms 91.217.181.130
10 2026-08-25 03:52 639232265900986425
81 ms 91.217.181.130
9 2026-08-25 03:35 639232255723518075
80 ms 91.217.181.130
8 2026-08-25 03:18 639232245484452890
51 ms 91.217.181.130
7 2026-08-25 03:01 639232235157175331
40 ms 91.217.181.130
6 2026-08-25 02:08 639232203197189095
41 ms 91.217.181.130
5 2026-08-25 01:50 639232192844564298
44 ms 91.217.181.130
4 2026-08-25 01:33 639232182496008942
75 ms 91.217.181.130
3 2026-08-25 01:16 639232172197053132
80 ms 91.217.181.130
2 2026-08-25 00:23 639232140250307418
101 ms 91.217.181.130
1 2026-08-25 00:06 639232129927860324
83 ms 91.217.181.130