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 2026-08-10. For this date, NameServerHistory found 82 DNS check records, 82 successful responses, 0 failed responses, and 167 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

82

Historical checks stored for this nameserver on selected date

Average Latency

167 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:58

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

82

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 2026-08-10 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
82 2026-08-10 23:58 639220027366289509
44 ms 138.197.216.192
81 2026-08-10 23:43 639220018272941900
29 ms 138.197.216.192
80 2026-08-10 23:27 639220009109892969
74 ms 138.197.216.192
79 2026-08-10 23:12 639220000040489788
57 ms 138.197.216.192
78 2026-08-10 22:57 639219991197135747
35 ms 138.197.216.192
77 2026-08-10 22:42 639219982104540014
39 ms 138.197.216.192
76 2026-08-10 22:27 639219973150300215
26 ms 138.197.216.192
75 2026-08-10 22:12 639219964188486697
30 ms 138.197.216.192
74 2026-08-10 21:57 639219954995921784
49 ms 138.197.216.192
73 2026-08-10 21:41 639219945559908104
28 ms 138.197.216.192
72 2026-08-10 20:50 639219914137782273
39 ms 138.197.216.192
71 2026-08-10 20:35 639219904858355064
61 ms 138.197.216.192
70 2026-08-10 20:19 639219895655263396
147 ms 138.197.216.192
69 2026-08-10 20:04 639219886527091074
59 ms 138.197.216.192
68 2026-08-10 19:48 639219877343266628
75 ms 138.197.216.192
67 2026-08-10 19:33 639219868177358195
29 ms 138.197.216.192
66 2026-08-10 19:18 639219859159581515
55 ms 138.197.216.192
65 2026-08-10 19:03 639219850124020182
38 ms 138.197.216.192
64 2026-08-10 18:48 639219840940124840
35 ms 138.197.216.192
63 2026-08-10 18:32 639219831829876486
55 ms 138.197.216.192
62 2026-08-10 18:17 639219822587759143
31 ms 138.197.216.192
61 2026-08-10 18:02 639219813247114428
69 ms 138.197.216.192
60 2026-08-10 17:10 639219781959606396
191 ms 138.197.216.192
59 2026-08-10 16:55 639219772658305431
324 ms 138.197.216.192
58 2026-08-10 16:39 639219763454523027
95 ms 138.197.216.192
57 2026-08-10 16:24 639219754279127815
62 ms 138.197.216.192
56 2026-08-10 16:09 639219745087467767
35 ms 138.197.216.192
55 2026-08-10 15:54 639219735900678107
36 ms 138.197.216.192
54 2026-08-10 15:38 639219726531461979
209 ms 138.197.216.192
53 2026-08-10 15:23 639219717415222156
30 ms 138.197.216.192
52 2026-08-10 15:08 639219708266470863
24 ms 138.197.216.192
51 2026-08-10 14:52 639219699049479559
52 ms 138.197.216.192
50 2026-08-10 14:37 639219689775815194
52 ms 138.197.216.192
49 2026-08-10 14:21 639219680511810632
58 ms 138.197.216.192
48 2026-08-10 13:30 639219648997191257
58 ms 138.197.216.192
47 2026-08-10 13:14 639219639938909436
58 ms 138.197.216.192
46 2026-08-10 12:59 639219630718286441
30 ms 138.197.216.192
45 2026-08-10 12:44 639219621472350410
125 ms 138.197.216.192
44 2026-08-10 12:29 639219612500421992
124 ms 138.197.216.192
43 2026-08-10 12:14 639219603383833445
37 ms 138.197.216.192
42 2026-08-10 11:58 639219594143823358
201 ms 138.197.216.192
41 2026-08-10 11:43 639219585053166024
40 ms 138.197.216.192
40 2026-08-10 11:28 639219575885776644
25 ms 138.197.216.192
39 2026-08-10 11:13 639219566844532361
98 ms 138.197.216.192
38 2026-08-10 10:57 639219557705808294
79 ms 138.197.216.192
37 2026-08-10 10:42 639219548482688649
65 ms 138.197.216.192
36 2026-08-10 09:51 639219517492763539
213 ms 138.197.216.192
35 2026-08-10 09:36 639219508755773605
45 ms 138.197.216.192
34 2026-08-10 09:21 639219499852103863
31 ms 138.197.216.192
33 2026-08-10 09:07 639219490893714387
66 ms 138.197.216.192
32 2026-08-10 08:52 639219482299305521
30 ms 138.197.216.192
31 2026-08-10 08:38 639219473613114853
37 ms 138.197.216.192
30 2026-08-10 08:23 639219465061138643
35 ms 138.197.216.192
29 2026-08-10 08:09 639219456616129015
2059 ms 138.197.216.192
28 2026-08-10 07:55 639219447974008557
32 ms 138.197.216.192
27 2026-08-10 07:40 639219439498255213
178 ms 138.197.216.192
26 2026-08-10 07:26 639219430664872256
131 ms 138.197.216.192
25 2026-08-10 07:11 639219421757560037
30 ms 138.197.216.192
24 2026-08-10 06:20 639219390773218684
56 ms 138.197.216.192
23 2026-08-10 06:06 639219382205367722
27 ms 138.197.216.192
22 2026-08-10 05:51 639219373711937615
35 ms 138.197.216.192
21 2026-08-10 05:37 639219365088558404
110 ms 138.197.216.192
20 2026-08-10 05:23 639219356348833255
167 ms 138.197.216.192
19 2026-08-10 05:08 639219347860053478
30 ms 138.197.216.192
18 2026-08-10 04:54 639219339173195121
56 ms 138.197.216.192
17 2026-08-10 04:40 639219330642664669
29 ms 138.197.216.192
16 2026-08-10 04:25 639219322058698995
29 ms 138.197.216.192
15 2026-08-10 04:11 639219313564344199
2130 ms 138.197.216.192
14 2026-08-10 03:57 639219304775113236
70 ms 138.197.216.192
13 2026-08-10 03:42 639219295706181119
25 ms 138.197.216.192
12 2026-08-10 02:50 639219264663923254
29 ms 138.197.216.192
11 2026-08-10 02:35 639219256015178099
67 ms 138.197.216.192
10 2026-08-10 02:21 639219247509540188
28 ms 138.197.216.192
9 2026-08-10 02:07 639219238999539092
54 ms 138.197.216.192
8 2026-08-10 01:53 639219230498823902
62 ms 138.197.216.192
7 2026-08-10 01:38 639219221706460911
67 ms 138.197.216.192
6 2026-08-10 01:24 639219212930606887
2030 ms 138.197.216.192
5 2026-08-10 01:09 639219204307908525
59 ms 138.197.216.192
4 2026-08-10 00:55 639219195720181470
140 ms 138.197.216.192
3 2026-08-10 00:40 639219186898174002
168 ms 138.197.216.192
2 2026-08-10 00:25 639219178004946976
106 ms 138.197.216.192
1 2026-08-10 00:10 639219168958805474
2008 ms 138.197.216.192