DNS response history for ns21.celect.org

ns21.celect.org 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 29 DNS check records, 29 successful responses, 0 failed responses, and 270 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.celect.org.
Records on Selected Date

29

Historical checks stored for this nameserver on selected date

Average Latency

270 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 12:01

All timestamps shown in UTC

Latest Resolved IP on Selected Date

205.251.197.20

Most recently resolved hosting IP on selected date

Successful Responses

29

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.celect.org

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
29 2026-08-24 12:01 639231693747052549
147 ms 205.251.197.20
28 2026-08-24 11:44 639231683712487276
2031 ms 205.251.197.20
27 2026-08-24 11:27 639231673513573868
105 ms 205.251.197.20
26 2026-08-24 10:34 639231641791249939
2259 ms 205.251.197.20
25 2026-08-24 10:17 639231631866211033
19 ms 205.251.197.20
24 2026-08-24 10:00 639231621644955316
324 ms 205.251.197.20
23 2026-08-24 09:43 639231611478799259
52 ms 205.251.197.20
22 2026-08-24 08:51 639231579923718211
28 ms 205.251.197.20
21 2026-08-24 08:34 639231569810702936
172 ms 205.251.197.20
20 2026-08-24 08:17 639231559762411619
4 ms 205.251.197.20
19 2026-08-24 08:00 639231549663595407
16 ms 205.251.197.20
18 2026-08-24 07:08 639231518076817246
29 ms 205.251.197.20
17 2026-08-24 06:51 639231508078650885
26 ms 205.251.197.20
16 2026-08-24 06:35 639231498210697093
28 ms 205.251.197.20
15 2026-08-24 06:18 639231488109699360
20 ms 205.251.197.20
14 2026-08-24 05:26 639231456772510692
27 ms 205.251.197.20
13 2026-08-24 05:10 639231447084631185
10 ms 205.251.197.20
12 2026-08-24 04:53 639231437208519473
33 ms 205.251.197.20
11 2026-08-24 04:36 639231427209627490
106 ms 205.251.197.20
10 2026-08-24 03:44 639231395791246644
24 ms 205.251.197.20
9 2026-08-24 03:28 639231386075551458
2021 ms 205.251.197.20
8 2026-08-24 03:11 639231376208713791
158 ms 205.251.197.20
7 2026-08-24 02:55 639231366170589276
38 ms 205.251.197.20
6 2026-08-24 02:02 639231334732159368
11 ms 205.251.197.20
5 2026-08-24 01:46 639231325035670078
3 ms 205.251.197.20
4 2026-08-24 01:29 639231315132253837
38 ms 205.251.197.20
3 2026-08-24 01:13 639231305014280808
36 ms 205.251.197.20
2 2026-08-24 00:21 639231273779380675
17 ms 205.251.197.20
1 2026-08-24 00:05 639231264180839154
46 ms 205.251.197.20