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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 77 successful responses, 0 failed responses, and 224 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

77

Historical checks stored for this nameserver on selected date

Average Latency

224 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 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

77

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 2026-08-15 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
77 2026-08-15 23:58 639224347685767174
38 ms 138.197.216.192
76 2026-08-15 23:42 639224338276675277
182 ms 138.197.216.192
75 2026-08-15 22:50 639224306594546649
99 ms 138.197.216.192
74 2026-08-15 22:34 639224297145423303
244 ms 138.197.216.192
73 2026-08-15 22:18 639224287678238833
97 ms 138.197.216.192
72 2026-08-15 22:03 639224278490872828
79 ms 138.197.216.192
71 2026-08-15 21:48 639224269149307826
275 ms 138.197.216.192
70 2026-08-15 21:32 639224259868597616
98 ms 138.197.216.192
69 2026-08-15 21:17 639224250518642175
55 ms 138.197.216.192
68 2026-08-15 21:01 639224241064772383
73 ms 138.197.216.192
67 2026-08-15 20:45 639224231691099605
166 ms 138.197.216.192
66 2026-08-15 20:30 639224222468168159
67 ms 138.197.216.192
65 2026-08-15 20:14 639224213173899635
128 ms 138.197.216.192
64 2026-08-15 19:59 639224203914451783
105 ms 138.197.216.192
63 2026-08-15 19:06 639224172202542163
58 ms 138.197.216.192
62 2026-08-15 18:51 639224163338654093
435 ms 138.197.216.192
61 2026-08-15 18:36 639224154287995374
35 ms 138.197.216.192
60 2026-08-15 18:21 639224145118612503
156 ms 138.197.216.192
59 2026-08-15 18:06 639224135995990731
52 ms 138.197.216.192
58 2026-08-15 17:51 639224127185332624
67 ms 138.197.216.192
57 2026-08-15 17:36 639224118229289175
60 ms 138.197.216.192
56 2026-08-15 17:21 639224109273796359
29 ms 138.197.216.192
55 2026-08-15 17:06 639224100490805608
54 ms 138.197.216.192
54 2026-08-15 16:51 639224091353714490
49 ms 138.197.216.192
53 2026-08-15 16:36 639224082033126828
31 ms 138.197.216.192
52 2026-08-15 16:21 639224072736962403
45 ms 138.197.216.192
51 2026-08-15 15:29 639224041475563754
157 ms 138.197.216.192
50 2026-08-15 15:14 639224032345604453
83 ms 138.197.216.192
49 2026-08-15 14:58 639224023169497283
73 ms 138.197.216.192
48 2026-08-15 14:43 639224013981146405
111 ms 138.197.216.192
47 2026-08-15 14:28 639224004883412586
164 ms 138.197.216.192
46 2026-08-15 14:12 639223995612880615
193 ms 138.197.216.192
45 2026-08-15 13:57 639223986271830789
85 ms 138.197.216.192
44 2026-08-15 13:41 639223977005780949
98 ms 138.197.216.192
43 2026-08-15 13:26 639223967653137793
217 ms 138.197.216.192
42 2026-08-15 13:10 639223958286010799
134 ms 138.197.216.192
41 2026-08-15 12:54 639223948936108345
224 ms 138.197.216.192
40 2026-08-15 12:39 639223939673066880
119 ms 138.197.216.192
39 2026-08-15 11:46 639223908317760530
53 ms 138.197.216.192
38 2026-08-15 11:31 639223898992594258
27 ms 138.197.216.192
37 2026-08-15 11:16 639223889761312823
10 ms 138.197.216.192
36 2026-08-15 11:00 639223880359273507
56 ms 138.197.216.192
35 2026-08-15 10:44 639223870920466808
2054 ms 138.197.216.192
34 2026-08-15 10:29 639223861579762179
39 ms 138.197.216.192
33 2026-08-15 10:13 639223852238616009
10 ms 138.197.216.192
32 2026-08-15 09:58 639223843019815620
31 ms 138.197.216.192
31 2026-08-15 09:42 639223833669915012
182 ms 138.197.216.192
30 2026-08-15 09:27 639223824494613222
7 ms 138.197.216.192
29 2026-08-15 09:11 639223815116325293
2154 ms 138.197.216.192
28 2026-08-15 08:55 639223805493870221
125 ms 138.197.216.192
27 2026-08-15 08:03 639223774218660438
45 ms 138.197.216.192
26 2026-08-15 07:48 639223764663090372
26 ms 138.197.216.192
25 2026-08-15 07:32 639223755338811400
98 ms 138.197.216.192
24 2026-08-15 07:17 639223746019193268
161 ms 138.197.216.192
23 2026-08-15 07:01 639223736658778104
44 ms 138.197.216.192
22 2026-08-15 06:45 639223727330194499
37 ms 138.197.216.192
21 2026-08-15 06:30 639223717848514742
184 ms 138.197.216.192
20 2026-08-15 06:14 639223708284754056
63 ms 138.197.216.192
19 2026-08-15 05:58 639223699061259933
63 ms 138.197.216.192
18 2026-08-15 05:43 639223689592545140
35 ms 138.197.216.192
17 2026-08-15 05:27 639223680143410810
35 ms 138.197.216.192
16 2026-08-15 05:11 639223670514517104
26 ms 138.197.216.192
15 2026-08-15 04:17 639223638855054294
36 ms 138.197.216.192
14 2026-08-15 04:02 639223629623335972
201 ms 138.197.216.192
13 2026-08-15 03:46 639223620390189495
169 ms 138.197.216.192
12 2026-08-15 03:31 639223610916950440
33 ms 138.197.216.192
11 2026-08-15 03:15 639223601597759168
52 ms 138.197.216.192
10 2026-08-15 03:00 639223592342172093
62 ms 138.197.216.192
9 2026-08-15 02:45 639223583324121497
56 ms 138.197.216.192
8 2026-08-15 02:29 639223574086714218
49 ms 138.197.216.192
7 2026-08-15 02:14 639223564698424889
121 ms 138.197.216.192
6 2026-08-15 01:58 639223555408664206
27 ms 138.197.216.192
5 2026-08-15 01:43 639223546000912416
4039 ms 138.197.216.192
4 2026-08-15 01:27 639223536550774847
2189 ms 138.197.216.192
3 2026-08-15 00:34 639223505017205611
96 ms 138.197.216.192
2 2026-08-15 00:19 639223495784410207
42 ms 138.197.216.192
1 2026-08-15 00:03 639223486524583054
51 ms 138.197.216.192