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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 423 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

74

Historical checks stored for this nameserver on selected date

Average Latency

423 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:53

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

74

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 2026-08-19 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
74 2026-08-19 23:53 639227795899225951
261 ms 153.126.142.66
73 2026-08-19 23:37 639227786351762008
273 ms 153.126.142.66
72 2026-08-19 23:21 639227776640591733
9 ms 153.126.142.66
71 2026-08-19 23:05 639227767128841282
3 ms 153.126.142.66
70 2026-08-19 22:49 639227757477304711
261 ms 153.126.142.66
69 2026-08-19 22:33 639227747572098014
3 ms 153.126.142.66
68 2026-08-19 22:16 639227737588613113
535 ms 153.126.142.66
67 2026-08-19 21:23 639227706134603955
264 ms 153.126.142.66
66 2026-08-19 21:07 639227696589027396
267 ms 153.126.142.66
65 2026-08-19 20:51 639227687097707639
566 ms 153.126.142.66
64 2026-08-19 20:35 639227677474464487
849 ms 153.126.142.66
63 2026-08-19 20:19 639227667767441118
509 ms 153.126.142.66
62 2026-08-19 20:03 639227657984833832
295 ms 153.126.142.66
61 2026-08-19 19:47 639227648079992640
817 ms 153.126.142.66
60 2026-08-19 19:30 639227638125048441
565 ms 153.126.142.66
59 2026-08-19 19:14 639227628211392142
6 ms 153.126.142.66
58 2026-08-19 18:57 639227618261696275
556 ms 153.126.142.66
57 2026-08-19 18:40 639227608366233645
861 ms 153.126.142.66
56 2026-08-19 18:24 639227598301787588
569 ms 153.126.142.66
55 2026-08-19 17:30 639227566241010716
2 ms 153.126.142.66
54 2026-08-19 17:14 639227556454538959
540 ms 153.126.142.66
53 2026-08-19 16:57 639227546640305542
3 ms 153.126.142.66
52 2026-08-19 16:41 639227536965466472
2 ms 153.126.142.66
51 2026-08-19 16:25 639227527048658280
2 ms 153.126.142.66
50 2026-08-19 16:09 639227517386634438
572 ms 153.126.142.66
49 2026-08-19 15:52 639227507459551637
2 ms 153.126.142.66
48 2026-08-19 15:36 639227497515595277
550 ms 153.126.142.66
47 2026-08-19 15:19 639227487441798036
548 ms 153.126.142.66
46 2026-08-19 15:02 639227477445551863
539 ms 153.126.142.66
45 2026-08-19 14:45 639227467297067891
572 ms 153.126.142.66
44 2026-08-19 14:28 639227457057795635
993 ms 153.126.142.66
43 2026-08-19 13:35 639227425244777397
574 ms 153.126.142.66
42 2026-08-19 13:19 639227415422116485
4 ms 153.126.142.66
41 2026-08-19 13:02 639227405307256053
430 ms 153.126.142.66
40 2026-08-19 12:45 639227395396602630
1103 ms 153.126.142.66
39 2026-08-19 12:29 639227385510363611
838 ms 153.126.142.66
38 2026-08-19 12:12 639227375508324850
615 ms 153.126.142.66
37 2026-08-19 11:55 639227365326611906
3 ms 153.126.142.66
36 2026-08-19 11:39 639227355360014208
2 ms 153.126.142.66
35 2026-08-19 11:22 639227345036782165
555 ms 153.126.142.66
34 2026-08-19 11:05 639227334992964533
859 ms 153.126.142.66
33 2026-08-19 10:48 639227324986605572
830 ms 153.126.142.66
32 2026-08-19 10:31 639227314928414539
545 ms 153.126.142.66
31 2026-08-19 09:38 639227283029182134
261 ms 153.126.142.66
30 2026-08-19 09:22 639227273294779350
3 ms 153.126.142.66
29 2026-08-19 09:05 639227263525231313
575 ms 153.126.142.66
28 2026-08-19 08:49 639227253578313363
2 ms 153.126.142.66
27 2026-08-19 08:33 639227243649973322
3 ms 153.126.142.66
26 2026-08-19 08:16 639227233581059317
3 ms 153.126.142.66
25 2026-08-19 07:59 639227223667352067
549 ms 153.126.142.66
24 2026-08-19 07:43 639227213714837066
260 ms 153.126.142.66
23 2026-08-19 07:26 639227203701208496
570 ms 153.126.142.66
22 2026-08-19 07:09 639227193643202179
579 ms 153.126.142.66
21 2026-08-19 06:53 639227183584431597
562 ms 153.126.142.66
20 2026-08-19 06:36 639227173347403088
580 ms 153.126.142.66
19 2026-08-19 05:42 639227141523007601
951 ms 153.126.142.66
18 2026-08-19 05:26 639227131785931574
4 ms 153.126.142.66
17 2026-08-19 05:10 639227122176475389
2 ms 153.126.142.66
16 2026-08-19 04:54 639227112668934596
3 ms 153.126.142.66
15 2026-08-19 04:38 639227102773292788
3 ms 153.126.142.66
14 2026-08-19 04:21 639227093141136930
265 ms 153.126.142.66
13 2026-08-19 04:05 639227083449420147
813 ms 153.126.142.66
12 2026-08-19 03:49 639227073771748493
957 ms 153.126.142.66
11 2026-08-19 03:33 639227063977347614
822 ms 153.126.142.66
10 2026-08-19 03:17 639227054253519024
338 ms 153.126.142.66
9 2026-08-19 03:00 639227044381963886
2440 ms 153.126.142.66
8 2026-08-19 02:44 639227034441085514
569 ms 153.126.142.66
7 2026-08-19 01:51 639227003126489968
2 ms 153.126.142.66
6 2026-08-19 01:35 639226993456311614
4 ms 153.126.142.66
5 2026-08-19 01:19 639226983847312345
652 ms 153.126.142.66
4 2026-08-19 01:03 639226974357874853
821 ms 153.126.142.66
3 2026-08-19 00:47 639226964670484721
3 ms 153.126.142.66
2 2026-08-19 00:31 639226954857899696
286 ms 153.126.142.66
1 2026-08-19 00:15 639226945091603488
265 ms 153.126.142.66