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 2026-08-12. For this date, NameServerHistory found 62 DNS check records, 62 successful responses, 0 failed responses, and 490 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

62

Historical checks stored for this nameserver on selected date

Average Latency

490 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-12 23:45

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

62

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 2026-08-12 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
62 2026-08-12 23:45 639221744107644868
538 ms 153.126.142.66
61 2026-08-12 23:30 639221735030187244
811 ms 153.126.142.66
60 2026-08-12 23:15 639221725815508109
308 ms 153.126.142.66
59 2026-08-12 22:23 639221694790955973
802 ms 153.126.142.66
58 2026-08-12 22:08 639221685562451720
443 ms 153.126.142.66
57 2026-08-12 21:52 639221676023655289
5 ms 153.126.142.66
56 2026-08-12 21:37 639221666449119409
3 ms 153.126.142.66
55 2026-08-12 20:45 639221635456432556
550 ms 153.126.142.66
54 2026-08-12 20:29 639221626313054202
541 ms 153.126.142.66
53 2026-08-12 20:14 639221617091958857
534 ms 153.126.142.66
52 2026-08-12 19:59 639221607786737151
652 ms 153.126.142.66
51 2026-08-12 19:07 639221576664330059
546 ms 153.126.142.66
50 2026-08-12 18:51 639221567514216674
436 ms 153.126.142.66
49 2026-08-12 18:36 639221558399762524
650 ms 153.126.142.66
48 2026-08-12 18:21 639221549052016282
609 ms 153.126.142.66
47 2026-08-12 17:28 639221517673834934
265 ms 153.126.142.66
46 2026-08-12 17:13 639221508282311633
933 ms 153.126.142.66
45 2026-08-12 16:57 639221498786324983
554 ms 153.126.142.66
44 2026-08-12 16:41 639221489157589737
672 ms 153.126.142.66
43 2026-08-12 15:49 639221457655914645
804 ms 153.126.142.66
42 2026-08-12 15:33 639221448164090526
543 ms 153.126.142.66
41 2026-08-12 15:17 639221438725783630
802 ms 153.126.142.66
40 2026-08-12 15:01 639221429178071087
801 ms 153.126.142.66
39 2026-08-12 14:08 639221397761278719
540 ms 153.126.142.66
38 2026-08-12 13:53 639221388200567278
541 ms 153.126.142.66
37 2026-08-12 13:37 639221378483570949
552 ms 153.126.142.66
36 2026-08-12 13:21 639221368872360139
553 ms 153.126.142.66
35 2026-08-12 12:28 639221337226647415
548 ms 153.126.142.66
34 2026-08-12 12:12 639221327924087446
544 ms 153.126.142.66
33 2026-08-12 11:56 639221318096976375
539 ms 153.126.142.66
32 2026-08-12 11:40 639221308343145274
1088 ms 153.126.142.66
31 2026-08-12 10:48 639221277089610470
801 ms 153.126.142.66
30 2026-08-12 10:32 639221267628136359
810 ms 153.126.142.66
29 2026-08-12 10:16 639221257907569952
550 ms 153.126.142.66
28 2026-08-12 10:00 639221248402420965
543 ms 153.126.142.66
27 2026-08-12 09:07 639221216797540533
256 ms 153.126.142.66
26 2026-08-12 08:51 639221207385792352
530 ms 153.126.142.66
25 2026-08-12 08:36 639221198078534844
816 ms 153.126.142.66
24 2026-08-12 08:20 639221188677585577
816 ms 153.126.142.66
23 2026-08-12 07:28 639221157276484143
804 ms 153.126.142.66
22 2026-08-12 07:12 639221147876262183
3 ms 153.126.142.66
21 2026-08-12 06:56 639221138388812469
803 ms 153.126.142.66
20 2026-08-12 06:41 639221128987381118
547 ms 153.126.142.66
19 2026-08-12 05:48 639221097816416095
4 ms 153.126.142.66
18 2026-08-12 05:33 639221088508065616
3 ms 153.126.142.66
17 2026-08-12 05:17 639221079092308503
549 ms 153.126.142.66
16 2026-08-12 05:02 639221069595873597
3 ms 153.126.142.66
15 2026-08-12 04:10 639221038601577496
256 ms 153.126.142.66
14 2026-08-12 03:54 639221029533901299
549 ms 153.126.142.66
13 2026-08-12 03:39 639221020333828965
530 ms 153.126.142.66
12 2026-08-12 03:24 639221011110510484
535 ms 153.126.142.66
11 2026-08-12 02:32 639220979815209769
9 ms 153.126.142.66
10 2026-08-12 02:17 639220970971410921
794 ms 153.126.142.66
9 2026-08-12 02:02 639220961848982361
298 ms 153.126.142.66
8 2026-08-12 01:47 639220952784591501
3 ms 153.126.142.66
7 2026-08-12 01:32 639220943893596731
543 ms 153.126.142.66
6 2026-08-12 01:17 639220934954704520
3 ms 153.126.142.66
5 2026-08-12 01:02 639220925792457751
256 ms 153.126.142.66
4 2026-08-12 00:47 639220916610063538
3 ms 153.126.142.66
3 2026-08-12 00:31 639220907229361754
539 ms 153.126.142.66
2 2026-08-12 00:16 639220897896762127
536 ms 153.126.142.66
1 2026-08-12 00:00 639220888396333845
4 ms 153.126.142.66