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 2026-08-27. For this date, NameServerHistory found 37 DNS check records, 37 successful responses, 0 failed responses, and 173 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

37

Historical checks stored for this nameserver on selected date

Average Latency

173 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 12:21

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

37

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 2026-08-27 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
37 2026-08-27 12:21 639234296664302575
43 ms 138.197.216.192
36 2026-08-27 12:03 639234286253196126
174 ms 138.197.216.192
35 2026-08-27 11:10 639234253963286387
44 ms 138.197.216.192
34 2026-08-27 10:52 639234243654907465
33 ms 138.197.216.192
33 2026-08-27 10:35 639234233269654413
37 ms 138.197.216.192
32 2026-08-27 10:18 639234222943951923
113 ms 138.197.216.192
31 2026-08-27 10:01 639234212558002823
34 ms 138.197.216.192
30 2026-08-27 09:43 639234202117531850
40 ms 138.197.216.192
29 2026-08-27 09:26 639234191649612722
115 ms 138.197.216.192
28 2026-08-27 09:08 639234181105879568
157 ms 138.197.216.192
27 2026-08-27 08:51 639234170713214496
54 ms 138.197.216.192
26 2026-08-27 08:34 639234160341037652
131 ms 138.197.216.192
25 2026-08-27 08:16 639234149799404224
28 ms 138.197.216.192
24 2026-08-27 07:59 639234139553286469
111 ms 138.197.216.192
23 2026-08-27 07:05 639234107183588293
35 ms 138.197.216.192
22 2026-08-27 06:48 639234096905435724
43 ms 138.197.216.192
21 2026-08-27 06:31 639234086579410775
104 ms 138.197.216.192
20 2026-08-27 06:14 639234076291157956
25 ms 138.197.216.192
19 2026-08-27 05:56 639234065981939454
2007 ms 138.197.216.192
18 2026-08-27 05:39 639234055548642997
67 ms 138.197.216.192
17 2026-08-27 05:22 639234045267979603
158 ms 138.197.216.192
16 2026-08-27 05:05 639234034999717463
16 ms 138.197.216.192
15 2026-08-27 04:48 639234024739225358
113 ms 138.197.216.192
14 2026-08-27 04:30 639234014311170162
43 ms 138.197.216.192
13 2026-08-27 04:13 639234003806017640
88 ms 138.197.216.192
12 2026-08-27 03:55 639233993356203030
33 ms 138.197.216.192
11 2026-08-27 03:02 639233961301716608
108 ms 138.197.216.192
10 2026-08-27 02:45 639233950834200647
36 ms 138.197.216.192
9 2026-08-27 02:27 639233940431849026
36 ms 138.197.216.192
8 2026-08-27 02:10 639233930110596398
23 ms 138.197.216.192
7 2026-08-27 01:53 639233919705434540
36 ms 138.197.216.192
6 2026-08-27 01:36 639233909452807845
35 ms 138.197.216.192
5 2026-08-27 01:18 639233899096420820
39 ms 138.197.216.192
4 2026-08-27 01:01 639233888707824939
2153 ms 138.197.216.192
3 2026-08-27 00:44 639233878461203802
33 ms 138.197.216.192
2 2026-08-27 00:27 639233868060868209
31 ms 138.197.216.192
1 2026-08-27 00:09 639233857450922991
26 ms 138.197.216.192