DNS response history for ns21.sparkrack.net

ns21.sparkrack.net 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 37 DNS check records, 36 successful responses, 1 failed responses, and 222 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.sparkrack.net.
Records on Selected Date

37

Historical checks stored for this nameserver on selected date

Average Latency

222 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 15:24

All timestamps shown in UTC

Latest Resolved IP on Selected Date

76.250.238.111

Most recently resolved hosting IP on selected date

Successful Responses

36

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.sparkrack.net

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
37 2026-08-24 15:24 639231818080917481
30 ms 76.250.238.111
36 2026-08-24 15:08 639231807961539652
32 ms 76.250.238.111
35 2026-08-24 14:50 639231797631669865
136 ms 76.250.238.111
34 2026-08-24 13:58 639231765923559455
34 ms 76.250.238.111
33 2026-08-24 13:41 639231755868832964
20 ms 76.250.238.111
32 2026-08-24 13:24 639231745628278877
75 ms 76.250.238.111
31 2026-08-24 13:07 639231735407682062
24 ms 76.250.238.111
30 2026-08-24 12:14 639231703815441688
33 ms 76.250.238.111
29 2026-08-24 11:57 639231693747052549
33 ms 76.250.238.111
28 2026-08-24 11:41 639231683712487276
101 ms 76.250.238.111
27 2026-08-24 11:24 639231673513573868
30 ms 76.250.238.111
26 2026-08-24 10:31 639231641791249939
37 ms 76.250.238.111
25 2026-08-24 10:14 639231631866211033
82 ms 76.250.238.111
24 2026-08-24 09:57 639231621644955316
26 ms 76.250.238.111
23 2026-08-24 09:40 639231611478799259
40 ms 76.250.238.111
22 2026-08-24 08:48 639231579923718211
27 ms 76.250.238.111
21 2026-08-24 08:31 639231569810702936
30 ms 76.250.238.111
20 2026-08-24 08:14 639231559762411619
-
19 2026-08-24 07:57 639231549663595407
110 ms 76.250.238.111
18 2026-08-24 07:05 639231518076817246
2027 ms 76.250.238.111
17 2026-08-24 06:48 639231508078650885
99 ms 76.250.238.111
16 2026-08-24 06:31 639231498210697093
151 ms 76.250.238.111
15 2026-08-24 06:15 639231488109699360
34 ms 76.250.238.111
14 2026-08-24 05:22 639231456772510692
15 ms 76.250.238.111
13 2026-08-24 05:06 639231447084631185
16 ms 76.250.238.111
12 2026-08-24 04:50 639231437208519473
28 ms 76.250.238.111
11 2026-08-24 04:33 639231427209627490
189 ms 76.250.238.111
10 2026-08-24 03:41 639231395791246644
25 ms 76.250.238.111
9 2026-08-24 03:25 639231386075551458
8 ms 76.250.238.111
8 2026-08-24 03:08 639231376208713791
143 ms 76.250.238.111
7 2026-08-24 02:51 639231366170589276
28 ms 76.250.238.111
6 2026-08-24 01:59 639231334732159368
22 ms 76.250.238.111
5 2026-08-24 01:43 639231325035670078
2053 ms 76.250.238.111
4 2026-08-24 01:26 639231315132253837
67 ms 76.250.238.111
3 2026-08-24 01:10 639231305014280808
52 ms 76.250.238.111
2 2026-08-24 00:17 639231273779380675
92 ms 76.250.238.111
1 2026-08-24 00:01 639231264180839154
2046 ms 76.250.238.111