DNS response history for ns.sys.ac

ns.sys.ac 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 2026-08-17. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 476 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 ns.sys.ac.
Records on Selected Date

71

Historical checks stored for this nameserver on selected date

Average Latency

476 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-17 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

153.126.142.66

Most recently resolved hosting IP on selected date

Successful Responses

71

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 ns.sys.ac

Showing DNS history for 2026-08-17 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
71 2026-08-17 23:44 639226062577647657
573 ms 153.126.142.66
70 2026-08-17 22:51 639226031060857136
545 ms 153.126.142.66
69 2026-08-17 22:35 639226021535117364
812 ms 153.126.142.66
68 2026-08-17 22:19 639226011884237078
583 ms 153.126.142.66
67 2026-08-17 22:03 639226002309299142
559 ms 153.126.142.66
66 2026-08-17 21:47 639225992791784448
564 ms 153.126.142.66
65 2026-08-17 21:31 639225983045271390
3 ms 153.126.142.66
64 2026-08-17 21:15 639225973246293513
3 ms 153.126.142.66
63 2026-08-17 20:59 639225963620186236
263 ms 153.126.142.66
62 2026-08-17 20:43 639225953899183916
582 ms 153.126.142.66
61 2026-08-17 20:27 639225944391528206
568 ms 153.126.142.66
60 2026-08-17 20:10 639225934593254169
571 ms 153.126.142.66
59 2026-08-17 19:54 639225924669984512
3 ms 153.126.142.66
58 2026-08-17 19:01 639225893048561320
558 ms 153.126.142.66
57 2026-08-17 18:45 639225883481298424
560 ms 153.126.142.66
56 2026-08-17 18:29 639225873845394034
563 ms 153.126.142.66
55 2026-08-17 18:13 639225864216078662
3 ms 153.126.142.66
54 2026-08-17 17:57 639225854541857773
572 ms 153.126.142.66
53 2026-08-17 17:41 639225844733604072
620 ms 153.126.142.66
52 2026-08-17 17:24 639225835085229232
832 ms 153.126.142.66
51 2026-08-17 17:08 639225825349373981
990 ms 153.126.142.66
50 2026-08-17 16:52 639225815690604161
563 ms 153.126.142.66
49 2026-08-17 16:36 639225805952472306
563 ms 153.126.142.66
48 2026-08-17 16:20 639225796264729638
832 ms 153.126.142.66
47 2026-08-17 16:03 639225786326499329
563 ms 153.126.142.66
46 2026-08-17 15:11 639225754798130711
575 ms 153.126.142.66
45 2026-08-17 14:55 639225745123193922
5 ms 153.126.142.66
44 2026-08-17 14:38 639225735540597271
581 ms 153.126.142.66
43 2026-08-17 14:22 639225725894857396
560 ms 153.126.142.66
42 2026-08-17 14:06 639225716249606913
998 ms 153.126.142.66
41 2026-08-17 13:50 639225706638238179
582 ms 153.126.142.66
40 2026-08-17 13:34 639225696949691423
562 ms 153.126.142.66
39 2026-08-17 13:18 639225687286186336
590 ms 153.126.142.66
38 2026-08-17 13:02 639225677679573133
3 ms 153.126.142.66
37 2026-08-17 12:46 639225667957861024
561 ms 153.126.142.66
36 2026-08-17 12:30 639225658298791618
6 ms 153.126.142.66
35 2026-08-17 12:13 639225648583652785
553 ms 153.126.142.66
34 2026-08-17 11:21 639225617000524308
831 ms 153.126.142.66
33 2026-08-17 11:05 639225607668541600
5 ms 153.126.142.66
32 2026-08-17 10:49 639225598117279238
550 ms 153.126.142.66
31 2026-08-17 10:33 639225588751002710
553 ms 153.126.142.66
30 2026-08-17 10:18 639225579295831051
3 ms 153.126.142.66
29 2026-08-17 10:02 639225569761469940
558 ms 153.126.142.66
28 2026-08-17 09:46 639225560161422333
827 ms 153.126.142.66
27 2026-08-17 09:30 639225550739955565
2267 ms 153.126.142.66
26 2026-08-17 09:14 639225541125222426
811 ms 153.126.142.66
25 2026-08-17 08:58 639225531526675983
554 ms 153.126.142.66
24 2026-08-17 08:42 639225521915528222
553 ms 153.126.142.66
23 2026-08-17 08:26 639225512148151789
563 ms 153.126.142.66
22 2026-08-17 07:33 639225480786142412
546 ms 153.126.142.66
21 2026-08-17 07:18 639225471394348551
3 ms 153.126.142.66
20 2026-08-17 07:02 639225462031685068
2 ms 153.126.142.66
19 2026-08-17 06:47 639225452639458328
3 ms 153.126.142.66
18 2026-08-17 06:31 639225443300966543
3 ms 153.126.142.66
17 2026-08-17 06:15 639225433880499379
537 ms 153.126.142.66
16 2026-08-17 06:00 639225424395198277
260 ms 153.126.142.66
15 2026-08-17 05:44 639225414744137487
273 ms 153.126.142.66
14 2026-08-17 05:28 639225405186783164
265 ms 153.126.142.66
13 2026-08-17 05:12 639225395563669822
828 ms 153.126.142.66
12 2026-08-17 04:56 639225386076645158
284 ms 153.126.142.66
11 2026-08-17 04:40 639225376620669704
823 ms 153.126.142.66
10 2026-08-17 03:48 639225345580892706
2 ms 153.126.142.66
9 2026-08-17 03:33 639225336207383710
818 ms 153.126.142.66
8 2026-08-17 03:17 639225326726565001
2 ms 153.126.142.66
7 2026-08-17 03:01 639225317249271010
3 ms 153.126.142.66
6 2026-08-17 02:09 639225286280886044
992 ms 153.126.142.66
5 2026-08-17 01:54 639225276872567548
3 ms 153.126.142.66
4 2026-08-17 01:38 639225267353865348
3 ms 153.126.142.66
3 2026-08-17 01:22 639225258033914248
821 ms 153.126.142.66
2 2026-08-17 00:30 639225226652221583
263 ms 153.126.142.66
1 2026-08-17 00:14 639225217156387684
542 ms 153.126.142.66