DNS response history for ns21.quertrakt.com

ns21.quertrakt.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 40 DNS check records, 40 successful responses, 0 failed responses, and 258 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.quertrakt.com.
Records on Selected Date

40

Historical checks stored for this nameserver on selected date

Average Latency

258 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 16:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

138.201.117.4

Most recently resolved hosting IP on selected date

Successful Responses

40

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 ns21.quertrakt.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
40 2026-08-24 16:54 639231870418029045
61 ms 138.201.117.4
39 2026-08-24 16:38 639231860258429562
170 ms 138.201.117.4
38 2026-08-24 15:44 639231828211839931
66 ms 138.201.117.4
37 2026-08-24 15:27 639231818080917481
211 ms 138.201.117.4
36 2026-08-24 15:10 639231807961539652
28 ms 138.201.117.4
35 2026-08-24 14:53 639231797631669865
58 ms 138.201.117.4
34 2026-08-24 14:00 639231765923559455
39 ms 138.201.117.4
33 2026-08-24 13:43 639231755868832964
60 ms 138.201.117.4
32 2026-08-24 13:27 639231745628278877
4066 ms 138.201.117.4
31 2026-08-24 13:09 639231735407682062
25 ms 138.201.117.4
30 2026-08-24 12:17 639231703815441688
178 ms 138.201.117.4
29 2026-08-24 12:00 639231693747052549
35 ms 138.201.117.4
28 2026-08-24 11:43 639231683712487276
18 ms 138.201.117.4
27 2026-08-24 11:26 639231673513573868
126 ms 138.201.117.4
26 2026-08-24 10:33 639231641791249939
17 ms 138.201.117.4
25 2026-08-24 10:17 639231631866211033
32 ms 138.201.117.4
24 2026-08-24 10:00 639231621644955316
77 ms 138.201.117.4
23 2026-08-24 09:43 639231611478799259
42 ms 138.201.117.4
22 2026-08-24 08:50 639231579923718211
36 ms 138.201.117.4
21 2026-08-24 08:33 639231569810702936
187 ms 138.201.117.4
20 2026-08-24 08:17 639231559762411619
43 ms 138.201.117.4
19 2026-08-24 08:00 639231549663595407
2019 ms 138.201.117.4
18 2026-08-24 07:07 639231518076817246
17 ms 138.201.117.4
17 2026-08-24 06:51 639231508078650885
16 ms 138.201.117.4
16 2026-08-24 06:34 639231498210697093
88 ms 138.201.117.4
15 2026-08-24 06:17 639231488109699360
37 ms 138.201.117.4
14 2026-08-24 05:25 639231456772510692
22 ms 138.201.117.4
13 2026-08-24 05:09 639231447084631185
2017 ms 138.201.117.4
12 2026-08-24 04:52 639231437208519473
15 ms 138.201.117.4
11 2026-08-24 04:36 639231427209627490
64 ms 138.201.117.4
10 2026-08-24 03:43 639231395791246644
21 ms 138.201.117.4
9 2026-08-24 03:27 639231386075551458
15 ms 138.201.117.4
8 2026-08-24 03:11 639231376208713791
15 ms 138.201.117.4
7 2026-08-24 02:54 639231366170589276
32 ms 138.201.117.4
6 2026-08-24 02:02 639231334732159368
29 ms 138.201.117.4
5 2026-08-24 01:45 639231325035670078
77 ms 138.201.117.4
4 2026-08-24 01:29 639231315132253837
21 ms 138.201.117.4
3 2026-08-24 01:12 639231305014280808
179 ms 138.201.117.4
2 2026-08-24 00:20 639231273779380675
14 ms 138.201.117.4
1 2026-08-24 00:04 639231264180839154
44 ms 138.201.117.4