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 2026-08-11. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 388 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

76

Historical checks stored for this nameserver on selected date

Average Latency

388 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-11 23:54

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

76

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 2026-08-11 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
76 2026-08-11 23:54 639220888396333845
211 ms 138.197.216.192
75 2026-08-11 23:38 639220878864937382
52 ms 138.197.216.192
74 2026-08-11 22:45 639220847369072314
170 ms 138.197.216.192
73 2026-08-11 22:30 639220838037764925
180 ms 138.197.216.192
72 2026-08-11 22:14 639220828735120634
115 ms 138.197.216.192
71 2026-08-11 21:59 639220819447979766
110 ms 138.197.216.192
70 2026-08-11 21:43 639220810056531741
113 ms 138.197.216.192
69 2026-08-11 21:28 639220800745746593
162 ms 138.197.216.192
68 2026-08-11 21:12 639220791351626349
189 ms 138.197.216.192
67 2026-08-11 20:56 639220782021256610
333 ms 138.197.216.192
66 2026-08-11 20:41 639220772603347755
62 ms 138.197.216.192
65 2026-08-11 20:25 639220763224057047
181 ms 138.197.216.192
64 2026-08-11 20:09 639220753691117767
2225 ms 138.197.216.192
63 2026-08-11 19:53 639220744107836218
31 ms 138.197.216.192
62 2026-08-11 19:00 639220711927629898
34 ms 138.197.216.192
61 2026-08-11 18:44 639220702299437921
33 ms 138.197.216.192
60 2026-08-11 18:27 639220692505468181
178 ms 138.197.216.192
59 2026-08-11 18:11 639220682669911239
1640 ms 138.197.216.192
58 2026-08-11 17:54 639220672929841526
28 ms 138.197.216.192
57 2026-08-11 17:38 639220663225662315
177 ms 138.197.216.192
56 2026-08-11 17:23 639220653846255684
183 ms 138.197.216.192
55 2026-08-11 17:07 639220644420909059
124 ms 138.197.216.192
54 2026-08-11 16:51 639220635074970435
82 ms 138.197.216.192
53 2026-08-11 16:36 639220625614385966
62 ms 138.197.216.192
52 2026-08-11 16:20 639220616132212636
190 ms 138.197.216.192
51 2026-08-11 16:04 639220606533651662
45 ms 138.197.216.192
50 2026-08-11 15:10 639220574514514318
37 ms 138.197.216.192
49 2026-08-11 14:55 639220565124823874
38 ms 138.197.216.192
48 2026-08-11 14:39 639220555799311478
113 ms 138.197.216.192
47 2026-08-11 14:23 639220546481577614
72 ms 138.197.216.192
46 2026-08-11 14:08 639220537036533154
2027 ms 138.197.216.192
45 2026-08-11 13:52 639220527719177174
205 ms 138.197.216.192
44 2026-08-11 13:36 639220518173088308
206 ms 138.197.216.192
43 2026-08-11 13:21 639220508902896243
107 ms 138.197.216.192
42 2026-08-11 13:05 639220499455923005
2172 ms 138.197.216.192
41 2026-08-11 12:50 639220490082583768
30 ms 138.197.216.192
40 2026-08-11 12:34 639220480636590998
195 ms 138.197.216.192
39 2026-08-11 12:16 639220469585029273
53 ms 138.197.216.192
38 2026-08-11 11:22 639220438074188884
108 ms 138.197.216.192
37 2026-08-11 11:07 639220428789720049
69 ms 138.197.216.192
36 2026-08-11 10:51 639220419558302820
21 ms 138.197.216.192
35 2026-08-11 10:36 639220410448738795
79 ms 138.197.216.192
34 2026-08-11 10:21 639220401034081530
135 ms 138.197.216.192
33 2026-08-11 10:05 639220391766674161
71 ms 138.197.216.192
32 2026-08-11 09:49 639220382275807148
161 ms 138.197.216.192
31 2026-08-11 09:34 639220373034162867
55 ms 138.197.216.192
30 2026-08-11 09:19 639220363994971859
1717 ms 138.197.216.192
29 2026-08-11 09:03 639220354563965455
48 ms 138.197.216.192
28 2026-08-11 08:48 639220345437414880
4028 ms 138.197.216.192
27 2026-08-11 08:32 639220336024248987
12 ms 138.197.216.192
26 2026-08-11 07:38 639220304233635692
2190 ms 138.197.216.192
25 2026-08-11 07:23 639220294872170960
43 ms 138.197.216.192
24 2026-08-11 07:07 639220285547177980
168 ms 138.197.216.192
23 2026-08-11 06:52 639220276337941315
195 ms 138.197.216.192
22 2026-08-11 06:36 639220267175191677
220 ms 138.197.216.192
21 2026-08-11 06:21 639220257981518924
35 ms 138.197.216.192
20 2026-08-11 06:06 639220249265489070
12 ms 138.197.216.192
19 2026-08-11 05:52 639220240700249205
40 ms 138.197.216.192
18 2026-08-11 05:38 639220231975029986
205 ms 138.197.216.192
17 2026-08-11 05:23 639220223261176932
2036 ms 138.197.216.192
16 2026-08-11 05:08 639220214366718456
119 ms 138.197.216.192
15 2026-08-11 04:53 639220205306334524
2036 ms 138.197.216.192
14 2026-08-11 04:02 639220174463175061
30 ms 138.197.216.192
13 2026-08-11 03:47 639220165777190438
129 ms 138.197.216.192
12 2026-08-11 03:33 639220156880374825
186 ms 138.197.216.192
11 2026-08-11 03:18 639220148139986945
55 ms 138.197.216.192
10 2026-08-11 03:03 639220139271074299
165 ms 138.197.216.192
9 2026-08-11 02:49 639220130565901336
112 ms 138.197.216.192
8 2026-08-11 02:34 639220121659980575
142 ms 138.197.216.192
7 2026-08-11 02:19 639220112857650894
53 ms 138.197.216.192
6 2026-08-11 02:04 639220103767686219
2104 ms 138.197.216.192
5 2026-08-11 01:49 639220094545970611
104 ms 138.197.216.192
4 2026-08-11 01:34 639220085476091081
40 ms 138.197.216.192
3 2026-08-11 01:18 639220076243751161
42 ms 138.197.216.192
2 2026-08-11 00:28 639220045322845190
117 ms 138.197.216.192
1 2026-08-11 00:13 639220036434132314
226 ms 138.197.216.192