DNS response history for ns4.a2sys.co

ns4.a2sys.co 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 2026-08-29. For this date, NameServerHistory found 70 DNS check records, 70 successful responses, 0 failed responses, and 105 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 ns4.a2sys.co.
Records on Selected Date

70

Historical checks stored for this nameserver on selected date

Average Latency

105 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 23:46

All timestamps shown in UTC

Latest Resolved IP on Selected Date

139.99.122.116

Most recently resolved hosting IP on selected date

Successful Responses

70

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 ns4.a2sys.co

Showing DNS history for 2026-08-29 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
70 2026-08-29 23:46 639236439461653110
17 ms 139.99.122.116
69 2026-08-29 23:29 639236429501366737
9 ms 139.99.122.116
68 2026-08-29 23:12 639236419366541896
19 ms 139.99.122.116
67 2026-08-29 22:55 639236409033370421
39 ms 139.99.122.116
66 2026-08-29 22:38 639236398677638980
16 ms 139.99.122.116
65 2026-08-29 22:21 639236388335394435
37 ms 139.99.122.116
64 2026-08-29 21:27 639236356238021142
10 ms 139.99.122.116
63 2026-08-29 21:10 639236346147662482
29 ms 139.99.122.116
62 2026-08-29 20:53 639236336073303987
18 ms 139.99.122.116
61 2026-08-29 20:36 639236325803271480
4 ms 139.99.122.116
60 2026-08-29 20:19 639236315636203732
15 ms 139.99.122.116
59 2026-08-29 20:02 639236305430277951
41 ms 139.99.122.116
58 2026-08-29 19:46 639236295286597133
19 ms 139.99.122.116
57 2026-08-29 19:29 639236285137083691
6 ms 139.99.122.116
56 2026-08-29 19:12 639236274938699727
11 ms 139.99.122.116
55 2026-08-29 18:54 639236264595544117
17 ms 139.99.122.116
54 2026-08-29 18:37 639236254203764064
16 ms 139.99.122.116
53 2026-08-29 18:20 639236243919128798
27 ms 139.99.122.116
52 2026-08-29 17:26 639236211708980066
2016 ms 139.99.122.116
51 2026-08-29 17:10 639236201724764228
33 ms 139.99.122.116
50 2026-08-29 16:53 639236191714376906
22 ms 139.99.122.116
49 2026-08-29 16:36 639236181773042179
8 ms 139.99.122.116
48 2026-08-29 16:19 639236171632735061
2042 ms 139.99.122.116
47 2026-08-29 16:02 639236161347015414
22 ms 139.99.122.116
46 2026-08-29 15:45 639236151200362098
18 ms 139.99.122.116
45 2026-08-29 15:28 639236141026805328
5 ms 139.99.122.116
44 2026-08-29 15:12 639236131100930722
40 ms 139.99.122.116
43 2026-08-29 14:55 639236120950030411
32 ms 139.99.122.116
42 2026-08-29 14:38 639236110532007205
19 ms 139.99.122.116
41 2026-08-29 14:20 639236100176958860
23 ms 139.99.122.116
40 2026-08-29 13:27 639236068470247956
5 ms 139.99.122.116
39 2026-08-29 13:11 639236058468679452
18 ms 139.99.122.116
38 2026-08-29 12:54 639236048317337090
2041 ms 139.99.122.116
37 2026-08-29 12:37 639236038221169202
15 ms 139.99.122.116
36 2026-08-29 12:20 639236028175589918
16 ms 139.99.122.116
35 2026-08-29 12:03 639236017965421028
6 ms 139.99.122.116
34 2026-08-29 11:46 639236007792625266
40 ms 139.99.122.116
33 2026-08-29 11:29 639235997602806960
59 ms 139.99.122.116
32 2026-08-29 11:13 639235987487833458
29 ms 139.99.122.116
31 2026-08-29 10:55 639235977211002296
4 ms 139.99.122.116
30 2026-08-29 10:38 639235966864596836
3 ms 139.99.122.116
29 2026-08-29 10:21 639235956590882003
22 ms 139.99.122.116
28 2026-08-29 09:27 639235924465736791
7 ms 139.99.122.116
27 2026-08-29 09:11 639235914430611197
43 ms 139.99.122.116
26 2026-08-29 08:54 639235904343784853
44 ms 139.99.122.116
25 2026-08-29 08:37 639235894201078068
5 ms 139.99.122.116
24 2026-08-29 08:20 639235884233447452
36 ms 139.99.122.116
23 2026-08-29 08:04 639235874142207309
13 ms 139.99.122.116
22 2026-08-29 07:47 639235863974652466
24 ms 139.99.122.116
21 2026-08-29 07:30 639235853716243436
27 ms 139.99.122.116
20 2026-08-29 07:13 639235843614494759
3 ms 139.99.122.116
19 2026-08-29 06:56 639235833401459551
6 ms 139.99.122.116
18 2026-08-29 06:39 639235823220464528
6 ms 139.99.122.116
17 2026-08-29 06:22 639235812997510905
4 ms 139.99.122.116
16 2026-08-29 05:29 639235781101962521
15 ms 139.99.122.116
15 2026-08-29 05:12 639235771207673260
3 ms 139.99.122.116
14 2026-08-29 04:55 639235761047429642
3 ms 139.99.122.116
13 2026-08-29 04:38 639235750964347246
21 ms 139.99.122.116
12 2026-08-29 04:22 639235740923490874
71 ms 139.99.122.116
11 2026-08-29 04:05 639235730842894399
11 ms 139.99.122.116
10 2026-08-29 03:48 639235720760084717
3 ms 139.99.122.116
9 2026-08-29 03:31 639235710843666743
3 ms 139.99.122.116
8 2026-08-29 03:15 639235700733510561
15 ms 139.99.122.116
7 2026-08-29 02:58 639235690509906192
4 ms 139.99.122.116
6 2026-08-29 02:40 639235680156673501
15 ms 139.99.122.116
5 2026-08-29 02:23 639235669720606443
23 ms 139.99.122.116
4 2026-08-29 01:29 639235637451417084
43 ms 139.99.122.116
3 2026-08-29 01:12 639235627307383453
4 ms 139.99.122.116
2 2026-08-29 00:55 639235616906386856
11 ms 139.99.122.116
1 2026-08-29 00:38 639235606582912691
15 ms 139.99.122.116