DNS response history for a.dnscstr.com

a.dnscstr.com 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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 77 successful responses, 1 failed responses, and 279 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 a.dnscstr.com.
Records on Selected Date

78

Historical checks stored for this nameserver on selected date

Average Latency

279 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

138.197.216.192

Most recently resolved hosting IP on selected date

Successful Responses

77

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 a.dnscstr.com

Showing DNS history for 2026-08-09 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
78 2026-08-09 23:19 639219137912168440
36 ms 138.197.216.192
77 2026-08-09 23:05 639219129014206359
28 ms 138.197.216.192
76 2026-08-09 22:50 639219120129816185
33 ms 138.197.216.192
75 2026-08-09 22:35 639219111180200055
31 ms 138.197.216.192
74 2026-08-09 22:20 639219102397272208
42 ms 138.197.216.192
73 2026-08-09 22:05 639219093318422880
27 ms 138.197.216.192
72 2026-08-09 21:50 639219084400315753
3 ms 138.197.216.192
71 2026-08-09 21:35 639219075254551587
67 ms 138.197.216.192
70 2026-08-09 21:20 639219065729192158
100 ms 138.197.216.192
69 2026-08-09 21:04 639219056747802098
28 ms 138.197.216.192
68 2026-08-09 20:49 639219047713450952
48 ms 138.197.216.192
67 2026-08-09 20:34 639219038561445315
31 ms 138.197.216.192
66 2026-08-09 19:39 639219007390383771
31 ms 138.197.216.192
65 2026-08-09 19:24 639218998523265596
-
64 2026-08-09 19:10 639218989631630804
27 ms 138.197.216.192
63 2026-08-09 18:55 639218980808450892
220 ms 138.197.216.192
62 2026-08-09 18:40 639218971852160604
66 ms 138.197.216.192
61 2026-08-09 18:25 639218962783650906
96 ms 138.197.216.192
60 2026-08-09 18:10 639218953792820819
2029 ms 138.197.216.192
59 2026-08-09 17:55 639218944959692876
33 ms 138.197.216.192
58 2026-08-09 17:40 639218936169104506
182 ms 138.197.216.192
57 2026-08-09 17:25 639218927166062556
2031 ms 138.197.216.192
56 2026-08-09 17:10 639218918015715420
37 ms 138.197.216.192
55 2026-08-09 16:55 639218908881852638
34 ms 138.197.216.192
54 2026-08-09 16:03 639218877956262035
58 ms 138.197.216.192
53 2026-08-09 15:48 639218869143729797
61 ms 138.197.216.192
52 2026-08-09 15:34 639218860485298832
54 ms 138.197.216.192
51 2026-08-09 15:19 639218851607906747
2026 ms 138.197.216.192
50 2026-08-09 15:04 639218842720839568
217 ms 138.197.216.192
49 2026-08-09 14:50 639218833878788864
13 ms 138.197.216.192
48 2026-08-09 14:35 639218825180862573
170 ms 138.197.216.192
47 2026-08-09 14:20 639218816469621951
75 ms 138.197.216.192
46 2026-08-09 14:06 639218807685036212
24 ms 138.197.216.192
45 2026-08-09 13:51 639218798978271509
2031 ms 138.197.216.192
44 2026-08-09 13:37 639218790065423597
145 ms 138.197.216.192
43 2026-08-09 13:22 639218781304584862
28 ms 138.197.216.192
42 2026-08-09 12:31 639218750311179000
56 ms 138.197.216.192
41 2026-08-09 12:17 639218741750420268
63 ms 138.197.216.192
40 2026-08-09 12:02 639218733057535576
35 ms 138.197.216.192
39 2026-08-09 11:48 639218724471329044
28 ms 138.197.216.192
38 2026-08-09 11:33 639218715911974203
84 ms 138.197.216.192
37 2026-08-09 11:19 639218707310812834
25 ms 138.197.216.192
36 2026-08-09 11:05 639218698790485612
2030 ms 138.197.216.192
35 2026-08-09 10:51 639218690367692706
148 ms 138.197.216.192
34 2026-08-09 10:36 639218681923173883
60 ms 138.197.216.192
33 2026-08-09 10:22 639218673547179738
43 ms 138.197.216.192
32 2026-08-09 10:08 639218664890274867
44 ms 138.197.216.192
31 2026-08-09 09:53 639218656036928157
31 ms 138.197.216.192
30 2026-08-09 09:02 639218624808018222
124 ms 138.197.216.192
29 2026-08-09 08:47 639218616243340806
31 ms 138.197.216.192
28 2026-08-09 08:32 639218607397811973
48 ms 138.197.216.192
27 2026-08-09 08:18 639218598812444454
35 ms 138.197.216.192
26 2026-08-09 08:04 639218590219570048
68 ms 138.197.216.192
25 2026-08-09 07:49 639218581690210758
7 ms 138.197.216.192
24 2026-08-09 07:35 639218573057388822
59 ms 138.197.216.192
23 2026-08-09 07:21 639218564408781785
29 ms 138.197.216.192
22 2026-08-09 07:06 639218555767188482
135 ms 138.197.216.192
21 2026-08-09 06:52 639218547142705295
36 ms 138.197.216.192
20 2026-08-09 06:37 639218538090114532
2204 ms 138.197.216.192
19 2026-08-09 06:22 639218529257910584
2056 ms 138.197.216.192
18 2026-08-09 05:31 639218498473231858
29 ms 138.197.216.192
17 2026-08-09 05:16 639218489802113995
36 ms 138.197.216.192
16 2026-08-09 05:02 639218481006804516
29 ms 138.197.216.192
15 2026-08-09 04:47 639218472048712427
63 ms 138.197.216.192
14 2026-08-09 04:32 639218463224432974
133 ms 138.197.216.192
13 2026-08-09 04:17 639218454384107526
2176 ms 138.197.216.192
12 2026-08-09 04:02 639218445331231791
71 ms 138.197.216.192
11 2026-08-09 03:47 639218436285215733
114 ms 138.197.216.192
10 2026-08-09 03:32 639218427289555123
111 ms 138.197.216.192
9 2026-08-09 03:17 639218418227819981
217 ms 138.197.216.192
8 2026-08-09 03:02 639218409119503123
217 ms 138.197.216.192
7 2026-08-09 02:47 639218399771712154
62 ms 138.197.216.192
6 2026-08-09 01:56 639218368648652303
174 ms 138.197.216.192
5 2026-08-09 01:41 639218359569598460
136 ms 138.197.216.192
4 2026-08-09 01:26 639218350555429902
57 ms 138.197.216.192
3 2026-08-09 01:11 639218341311543299
168 ms 138.197.216.192
2 2026-08-09 00:19 639218309981981465
26 ms 138.197.216.192
1 2026-08-09 00:04 639218300987184335
48 ms 138.197.216.192