DNS response history for ns21.nbserv.net

ns21.nbserv.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 26 DNS check records, 26 successful responses, 0 failed responses, and 233 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.nbserv.net.
Records on Selected Date

26

Historical checks stored for this nameserver on selected date

Average Latency

233 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 10:41

All timestamps shown in UTC

Latest Resolved IP on Selected Date

133.242.221.97

Most recently resolved hosting IP on selected date

Successful Responses

26

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.nbserv.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
26 2026-08-24 10:41 639231641791249939
287 ms 133.242.221.97
25 2026-08-24 10:25 639231631866211033
288 ms 133.242.221.97
24 2026-08-24 10:08 639231621644955316
280 ms 133.242.221.97
23 2026-08-24 09:51 639231611478799259
283 ms 133.242.221.97
22 2026-08-24 08:59 639231579923718211
3 ms 133.242.221.97
21 2026-08-24 08:42 639231569810702936
287 ms 133.242.221.97
20 2026-08-24 08:25 639231559762411619
269 ms 133.242.221.97
19 2026-08-24 08:08 639231549663595407
4 ms 133.242.221.97
18 2026-08-24 07:15 639231518076817246
6 ms 133.242.221.97
17 2026-08-24 06:59 639231508078650885
291 ms 133.242.221.97
16 2026-08-24 06:42 639231498210697093
3 ms 133.242.221.97
15 2026-08-24 06:26 639231488109699360
566 ms 133.242.221.97
14 2026-08-24 05:33 639231456772510692
3 ms 133.242.221.97
13 2026-08-24 05:17 639231447084631185
4 ms 133.242.221.97
12 2026-08-24 05:00 639231437208519473
4 ms 133.242.221.97
11 2026-08-24 04:44 639231427209627490
576 ms 133.242.221.97
10 2026-08-24 03:51 639231395791246644
286 ms 133.242.221.97
9 2026-08-24 03:35 639231386075551458
3 ms 133.242.221.97
8 2026-08-24 03:19 639231376208713791
3 ms 133.242.221.97
7 2026-08-24 03:02 639231366170589276
288 ms 133.242.221.97
6 2026-08-24 02:10 639231334732159368
3 ms 133.242.221.97
5 2026-08-24 01:53 639231325035670078
2 ms 133.242.221.97
4 2026-08-24 01:37 639231315132253837
2304 ms 133.242.221.97
3 2026-08-24 01:20 639231305014280808
2 ms 133.242.221.97
2 2026-08-24 00:28 639231273779380675
3 ms 133.242.221.97
1 2026-08-24 00:12 639231264180839154
3 ms 133.242.221.97