DNS response history for ns2.a2sys.co

ns2.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 2026-08-19. For this date, NameServerHistory found 75 DNS check records, 74 successful responses, 1 failed responses, and 276 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 ns2.a2sys.co.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

276 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:56

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

74

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.a2sys.co

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
75 2026-08-19 23:56 639227805445376839
19 ms 139.99.122.116
74 2026-08-19 23:40 639227795899225951
4 ms 139.99.122.116
73 2026-08-19 23:24 639227786351762008
14 ms 139.99.122.116
72 2026-08-19 23:08 639227776640591733
73 ms 139.99.122.116
71 2026-08-19 22:52 639227767128841282
21 ms 139.99.122.116
70 2026-08-19 22:36 639227757477304711
34 ms 139.99.122.116
69 2026-08-19 22:19 639227747572098014
4 ms 139.99.122.116
68 2026-08-19 22:03 639227737588613113
44 ms 139.99.122.116
67 2026-08-19 21:10 639227706134603955
14 ms 139.99.122.116
66 2026-08-19 20:54 639227696589027396
2050 ms 139.99.122.116
65 2026-08-19 20:38 639227687097707639
57 ms 139.99.122.116
64 2026-08-19 20:22 639227677474464487
13 ms 139.99.122.116
63 2026-08-19 20:06 639227667767441118
15 ms 139.99.122.116
62 2026-08-19 19:50 639227657984833832
2044 ms 139.99.122.116
61 2026-08-19 19:33 639227648079992640
119 ms 139.99.122.116
60 2026-08-19 19:17 639227638125048441
22 ms 139.99.122.116
59 2026-08-19 19:00 639227628211392142
32 ms 139.99.122.116
58 2026-08-19 18:44 639227618261696275
41 ms 139.99.122.116
57 2026-08-19 18:27 639227608366233645
2033 ms 139.99.122.116
56 2026-08-19 18:10 639227598301787588
29 ms 139.99.122.116
55 2026-08-19 17:17 639227566241010716
30 ms 139.99.122.116
54 2026-08-19 17:01 639227556454538959
20 ms 139.99.122.116
53 2026-08-19 16:44 639227546640305542
60 ms 139.99.122.116
52 2026-08-19 16:28 639227536965466472
8 ms 139.99.122.116
51 2026-08-19 16:12 639227527048658280
2061 ms 139.99.122.116
50 2026-08-19 15:56 639227517386634438
22 ms 139.99.122.116
49 2026-08-19 15:39 639227507459551637
64 ms 139.99.122.116
48 2026-08-19 15:22 639227497515595277
53 ms 139.99.122.116
47 2026-08-19 15:06 639227487441798036
2071 ms 139.99.122.116
46 2026-08-19 14:49 639227477445551863
42 ms 139.99.122.116
45 2026-08-19 14:32 639227467297067891
36 ms 139.99.122.116
44 2026-08-19 14:15 639227457057795635
26 ms 139.99.122.116
43 2026-08-19 13:22 639227425244777397
19 ms 139.99.122.116
42 2026-08-19 13:06 639227415422116485
61 ms 139.99.122.116
41 2026-08-19 12:49 639227405307256053
21 ms 139.99.122.116
40 2026-08-19 12:32 639227395396602630
30 ms 139.99.122.116
39 2026-08-19 12:16 639227385510363611
37 ms 139.99.122.116
38 2026-08-19 11:59 639227375508324850
-
37 2026-08-19 11:42 639227365326611906
60 ms 139.99.122.116
36 2026-08-19 11:25 639227355360014208
40 ms 139.99.122.116
35 2026-08-19 11:08 639227345036782165
54 ms 139.99.122.116
34 2026-08-19 10:52 639227334992964533
2022 ms 139.99.122.116
33 2026-08-19 10:35 639227324986605572
28 ms 139.99.122.116
32 2026-08-19 10:18 639227314928414539
42 ms 139.99.122.116
31 2026-08-19 09:25 639227283029182134
13 ms 139.99.122.116
30 2026-08-19 09:09 639227273294779350
4076 ms 139.99.122.116
29 2026-08-19 08:52 639227263525231313
10 ms 139.99.122.116
28 2026-08-19 08:36 639227253578313363
18 ms 139.99.122.116
27 2026-08-19 08:19 639227243649973322
7 ms 139.99.122.116
26 2026-08-19 08:03 639227233581059317
23 ms 139.99.122.116
25 2026-08-19 07:46 639227223667352067
21 ms 139.99.122.116
24 2026-08-19 07:29 639227213714837066
5 ms 139.99.122.116
23 2026-08-19 07:13 639227203701208496
26 ms 139.99.122.116
22 2026-08-19 06:56 639227193643202179
20 ms 139.99.122.116
21 2026-08-19 06:39 639227183584431597
72 ms 139.99.122.116
20 2026-08-19 06:22 639227173347403088
44 ms 139.99.122.116
19 2026-08-19 05:29 639227141523007601
48 ms 139.99.122.116
18 2026-08-19 05:13 639227131785931574
13 ms 139.99.122.116
17 2026-08-19 04:57 639227122176475389
36 ms 139.99.122.116
16 2026-08-19 04:41 639227112668934596
48 ms 139.99.122.116
15 2026-08-19 04:25 639227102773292788
23 ms 139.99.122.116
14 2026-08-19 04:08 639227093141136930
24 ms 139.99.122.116
13 2026-08-19 03:52 639227083449420147
25 ms 139.99.122.116
12 2026-08-19 03:36 639227073771748493
15 ms 139.99.122.116
11 2026-08-19 03:20 639227063977347614
2045 ms 139.99.122.116
10 2026-08-19 03:04 639227054253519024
42 ms 139.99.122.116
9 2026-08-19 02:47 639227044381963886
5 ms 139.99.122.116
8 2026-08-19 02:31 639227034441085514
17 ms 139.99.122.116
7 2026-08-19 01:38 639227003126489968
16 ms 139.99.122.116
6 2026-08-19 01:22 639226993456311614
33 ms 139.99.122.116
5 2026-08-19 01:06 639226983847312345
21 ms 139.99.122.116
4 2026-08-19 00:50 639226974357874853
7 ms 139.99.122.116
3 2026-08-19 00:34 639226964670484721
14 ms 139.99.122.116
2 2026-08-19 00:18 639226954857899696
10 ms 139.99.122.116
1 2026-08-19 00:02 639226945091603488
21 ms 139.99.122.116