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 2026-08-25. For this date, NameServerHistory found 69 DNS check records, 69 successful responses, 0 failed responses, and 278 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

69

Historical checks stored for this nameserver on selected date

Average Latency

278 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:55

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

69

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 a.dnscstr.com

Showing DNS history for 2026-08-25 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
69 2026-08-25 23:55 639232985300872416
70 ms 138.197.216.192
68 2026-08-25 23:38 639232974980190573
28 ms 138.197.216.192
67 2026-08-25 23:21 639232964577050707
34 ms 138.197.216.192
66 2026-08-25 22:27 639232932163142799
143 ms 138.197.216.192
65 2026-08-25 22:09 639232921673215474
41 ms 138.197.216.192
64 2026-08-25 21:52 639232911234504639
48 ms 138.197.216.192
63 2026-08-25 21:34 639232900747078453
40 ms 138.197.216.192
62 2026-08-25 21:17 639232890389222534
187 ms 138.197.216.192
61 2026-08-25 21:00 639232880143390843
33 ms 138.197.216.192
60 2026-08-25 20:43 639232869755024069
36 ms 138.197.216.192
59 2026-08-25 20:25 639232859355940346
55 ms 138.197.216.192
58 2026-08-25 20:08 639232848992244953
45 ms 138.197.216.192
57 2026-08-25 19:51 639232838596478500
2030 ms 138.197.216.192
56 2026-08-25 19:33 639232828175327683
2144 ms 138.197.216.192
55 2026-08-25 19:16 639232817798330473
52 ms 138.197.216.192
54 2026-08-25 18:22 639232785462407552
31 ms 138.197.216.192
53 2026-08-25 18:05 639232775177487032
61 ms 138.197.216.192
52 2026-08-25 17:48 639232764991087115
30 ms 138.197.216.192
51 2026-08-25 17:31 639232754842971478
176 ms 138.197.216.192
50 2026-08-25 17:14 639232744455159107
79 ms 138.197.216.192
49 2026-08-25 16:57 639232734145178231
69 ms 138.197.216.192
48 2026-08-25 16:40 639232723827874402
36 ms 138.197.216.192
47 2026-08-25 16:22 639232713533011892
198 ms 138.197.216.192
46 2026-08-25 16:05 639232703065318207
31 ms 138.197.216.192
45 2026-08-25 15:48 639232692629559470
37 ms 138.197.216.192
44 2026-08-25 15:30 639232682238836475
64 ms 138.197.216.192
43 2026-08-25 15:13 639232671787004306
42 ms 138.197.216.192
42 2026-08-25 14:18 639232638994329666
63 ms 138.197.216.192
41 2026-08-25 14:01 639232628614783237
28 ms 138.197.216.192
40 2026-08-25 13:44 639232618360728578
2167 ms 138.197.216.192
39 2026-08-25 13:27 639232608016476376
205 ms 138.197.216.192
38 2026-08-25 13:09 639232597643611557
28 ms 138.197.216.192
37 2026-08-25 12:52 639232587225721862
224 ms 138.197.216.192
36 2026-08-25 12:35 639232576780683689
110 ms 138.197.216.192
35 2026-08-25 12:17 639232566381512620
36 ms 138.197.216.192
34 2026-08-25 12:00 639232556111768563
64 ms 138.197.216.192
33 2026-08-25 11:43 639232545839529039
2098 ms 138.197.216.192
32 2026-08-25 11:25 639232535349285207
66 ms 138.197.216.192
31 2026-08-25 11:08 639232524938080723
28 ms 138.197.216.192
30 2026-08-25 10:14 639232492740373468
28 ms 138.197.216.192
29 2026-08-25 09:57 639232482235303141
58 ms 138.197.216.192
28 2026-08-25 09:40 639232471861770303
34 ms 138.197.216.192
27 2026-08-25 09:23 639232461630217327
127 ms 138.197.216.192
26 2026-08-25 09:05 639232451282965990
31 ms 138.197.216.192
25 2026-08-25 08:48 639232440814614938
63 ms 138.197.216.192
24 2026-08-25 08:31 639232430410720425
40 ms 138.197.216.192
23 2026-08-25 08:13 639232420003096185
38 ms 138.197.216.192
22 2026-08-25 07:56 639232409467287444
31 ms 138.197.216.192
21 2026-08-25 07:38 639232399077195997
43 ms 138.197.216.192
20 2026-08-25 07:21 639232388731528337
129 ms 138.197.216.192
19 2026-08-25 07:04 639232378288598612
51 ms 138.197.216.192
18 2026-08-25 06:10 639232346196373643
51 ms 138.197.216.192
17 2026-08-25 05:53 639232336112370741
42 ms 138.197.216.192
16 2026-08-25 05:37 639232326146508970
160 ms 138.197.216.192
15 2026-08-25 05:20 639232316189381720
27 ms 138.197.216.192
14 2026-08-25 05:04 639232306217998913
252 ms 138.197.216.192
13 2026-08-25 04:47 639232296255744174
36 ms 138.197.216.192
12 2026-08-25 04:30 639232286095760789
44 ms 138.197.216.192
11 2026-08-25 04:13 639232276086186273
175 ms 138.197.216.192
10 2026-08-25 03:56 639232265900986425
2171 ms 138.197.216.192
9 2026-08-25 03:39 639232255723518075
55 ms 138.197.216.192
8 2026-08-25 03:22 639232245484452890
57 ms 138.197.216.192
7 2026-08-25 03:05 639232235157175331
134 ms 138.197.216.192
6 2026-08-25 02:12 639232203197189095
2050 ms 138.197.216.192
5 2026-08-25 01:55 639232192844564298
27 ms 138.197.216.192
4 2026-08-25 01:37 639232182496008942
33 ms 138.197.216.192
3 2026-08-25 01:20 639232172197053132
2028 ms 138.197.216.192
2 2026-08-25 00:27 639232140250307418
128 ms 138.197.216.192
1 2026-08-25 00:10 639232129927860324
75 ms 138.197.216.192