DNS response history for ns21.testqtech.com

ns21.testqtech.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 2026-08-24. For this date, NameServerHistory found 39 DNS check records, 38 successful responses, 1 failed responses, and 118 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 ns21.testqtech.com.
Records on Selected Date

39

Historical checks stored for this nameserver on selected date

Average Latency

118 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 16:38

All timestamps shown in UTC

Latest Resolved IP on Selected Date

18.135.187.12

Most recently resolved hosting IP on selected date

Successful Responses

38

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns21.testqtech.com

Showing DNS history for 2026-08-24 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
39 2026-08-24 16:38 639231860258429562
80 ms 18.135.187.12
38 2026-08-24 15:45 639231828211839931
46 ms 18.135.187.12
37 2026-08-24 15:28 639231818080917481
205 ms 18.135.187.12
36 2026-08-24 15:11 639231807961539652
111 ms 18.135.187.12
35 2026-08-24 14:54 639231797631669865
68 ms 18.135.187.12
34 2026-08-24 14:01 639231765923559455
120 ms 18.135.187.12
33 2026-08-24 13:44 639231755868832964
78 ms 18.135.187.12
32 2026-08-24 13:27 639231745628278877
199 ms 18.135.187.12
31 2026-08-24 13:10 639231735407682062
56 ms 18.135.187.12
30 2026-08-24 12:17 639231703815441688
239 ms 18.135.187.12
29 2026-08-24 12:01 639231693747052549
82 ms 18.135.187.12
28 2026-08-24 11:44 639231683712487276
-
27 2026-08-24 11:27 639231673513573868
153 ms 18.135.187.12
26 2026-08-24 10:34 639231641791249939
105 ms 18.135.187.12
25 2026-08-24 10:17 639231631866211033
62 ms 18.135.187.12
24 2026-08-24 10:00 639231621644955316
145 ms 18.135.187.12
23 2026-08-24 09:43 639231611478799259
180 ms 18.135.187.12
22 2026-08-24 08:51 639231579923718211
249 ms 18.135.187.12
21 2026-08-24 08:34 639231569810702936
50 ms 18.135.187.12
20 2026-08-24 08:17 639231559762411619
157 ms 18.135.187.12
19 2026-08-24 08:00 639231549663595407
67 ms 18.135.187.12
18 2026-08-24 07:08 639231518076817246
98 ms 18.135.187.12
17 2026-08-24 06:51 639231508078650885
94 ms 18.135.187.12
16 2026-08-24 06:34 639231498210697093
108 ms 18.135.187.12
15 2026-08-24 06:18 639231488109699360
150 ms 18.135.187.12
14 2026-08-24 05:26 639231456772510692
130 ms 18.135.187.12
13 2026-08-24 05:09 639231447084631185
83 ms 18.135.187.12
12 2026-08-24 04:53 639231437208519473
53 ms 18.135.187.12
11 2026-08-24 04:36 639231427209627490
141 ms 18.135.187.12
10 2026-08-24 03:44 639231395791246644
44 ms 18.135.187.12
9 2026-08-24 03:28 639231386075551458
269 ms 18.135.187.12
8 2026-08-24 03:11 639231376208713791
76 ms 18.135.187.12
7 2026-08-24 02:55 639231366170589276
118 ms 18.135.187.12
6 2026-08-24 02:02 639231334732159368
43 ms 18.135.187.12
5 2026-08-24 01:46 639231325035670078
126 ms 18.135.187.12
4 2026-08-24 01:29 639231315132253837
141 ms 18.135.187.12
3 2026-08-24 01:13 639231305014280808
45 ms 18.135.187.12
2 2026-08-24 00:21 639231273779380675
220 ms 18.135.187.12
1 2026-08-24 00:05 639231264180839154
93 ms 18.135.187.12