History for ns1.cncfstack.com
Domain: cncfstack.com • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.cncfstack.com
ns1.cncfstack.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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 474 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 ns1.cncfstack.com.
Records on Selected Date
78
Historical checks stored for this nameserver on selected date
Average Latency
474 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-09 23:22
All timestamps shown in UTC
Latest Resolved IP on Selected Date
121.40.25.167
Most recently resolved hosting IP on selected date
Successful Responses
78
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 ns1.cncfstack.com
Showing DNS history for 2026-08-09 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 |
|---|---|---|---|---|---|
| 78 | 2026-08-09 23:22 | 639219137912168440 |
|
236 ms | 121.40.25.167 |
| 77 | 2026-08-09 23:07 | 639219129014206359 |
|
232 ms | 121.40.25.167 |
| 76 | 2026-08-09 22:53 | 639219120129816185 |
|
480 ms | 121.40.25.167 |
| 75 | 2026-08-09 22:38 | 639219111180200055 |
|
475 ms | 121.40.25.167 |
| 74 | 2026-08-09 22:23 | 639219102397272208 |
|
482 ms | 121.40.25.167 |
| 73 | 2026-08-09 22:08 | 639219093318422880 |
|
233 ms | 121.40.25.167 |
| 72 | 2026-08-09 21:53 | 639219084400315753 |
|
234 ms | 121.40.25.167 |
| 71 | 2026-08-09 21:38 | 639219075254551587 |
|
483 ms | 121.40.25.167 |
| 70 | 2026-08-09 21:23 | 639219065729192158 |
|
466 ms | 121.40.25.167 |
| 69 | 2026-08-09 21:07 | 639219056747802098 |
|
474 ms | 121.40.25.167 |
| 68 | 2026-08-09 20:52 | 639219047713450952 |
|
450 ms | 121.40.25.167 |
| 67 | 2026-08-09 20:37 | 639219038561445315 |
|
461 ms | 121.40.25.167 |
| 66 | 2026-08-09 19:45 | 639219007390383771 |
|
236 ms | 121.40.25.167 |
| 65 | 2026-08-09 19:30 | 639218998523265596 |
|
475 ms | 121.40.25.167 |
| 64 | 2026-08-09 19:15 | 639218989631630804 |
|
233 ms | 121.40.25.167 |
| 63 | 2026-08-09 19:00 | 639218980808450892 |
|
472 ms | 121.40.25.167 |
| 62 | 2026-08-09 18:46 | 639218971852160604 |
|
475 ms | 121.40.25.167 |
| 61 | 2026-08-09 18:31 | 639218962783650906 |
|
233 ms | 121.40.25.167 |
| 60 | 2026-08-09 18:16 | 639218953792820819 |
|
488 ms | 121.40.25.167 |
| 59 | 2026-08-09 18:01 | 639218944959692876 |
|
250 ms | 121.40.25.167 |
| 58 | 2026-08-09 17:46 | 639218936169104506 |
|
485 ms | 121.40.25.167 |
| 57 | 2026-08-09 17:31 | 639218927166062556 |
|
246 ms | 121.40.25.167 |
| 56 | 2026-08-09 17:16 | 639218918015715420 |
|
488 ms | 121.40.25.167 |
| 55 | 2026-08-09 17:01 | 639218908881852638 |
|
467 ms | 121.40.25.167 |
| 54 | 2026-08-09 16:09 | 639218877956262035 |
|
737 ms | 121.40.25.167 |
| 53 | 2026-08-09 15:54 | 639218869143729797 |
|
1057 ms | 121.40.25.167 |
| 52 | 2026-08-09 15:39 | 639218860485298832 |
|
480 ms | 121.40.25.167 |
| 51 | 2026-08-09 15:25 | 639218851607906747 |
|
775 ms | 121.40.25.167 |
| 50 | 2026-08-09 15:10 | 639218842720839568 |
|
248 ms | 121.40.25.167 |
| 49 | 2026-08-09 14:55 | 639218833878788864 |
|
990 ms | 121.40.25.167 |
| 48 | 2026-08-09 14:41 | 639218825180862573 |
|
238 ms | 121.40.25.167 |
| 47 | 2026-08-09 14:26 | 639218816469621951 |
|
907 ms | 121.40.25.167 |
| 46 | 2026-08-09 14:12 | 639218807685036212 |
|
858 ms | 121.40.25.167 |
| 45 | 2026-08-09 13:57 | 639218798978271509 |
|
996 ms | 121.40.25.167 |
| 44 | 2026-08-09 13:42 | 639218790065423597 |
|
459 ms | 121.40.25.167 |
| 43 | 2026-08-09 13:27 | 639218781304584862 |
|
498 ms | 121.40.25.167 |
| 42 | 2026-08-09 12:36 | 639218750311179000 |
|
231 ms | 121.40.25.167 |
| 41 | 2026-08-09 12:22 | 639218741750420268 |
|
474 ms | 121.40.25.167 |
| 40 | 2026-08-09 12:07 | 639218733057535576 |
|
240 ms | 121.40.25.167 |
| 39 | 2026-08-09 11:53 | 639218724471329044 |
|
1488 ms | 121.40.25.167 |
| 38 | 2026-08-09 11:38 | 639218715911974203 |
|
496 ms | 121.40.25.167 |
| 37 | 2026-08-09 11:24 | 639218707310812834 |
|
497 ms | 121.40.25.167 |
| 36 | 2026-08-09 11:10 | 639218698790485612 |
|
241 ms | 121.40.25.167 |
| 35 | 2026-08-09 10:56 | 639218690367692706 |
|
266 ms | 121.40.25.167 |
| 34 | 2026-08-09 10:42 | 639218681923173883 |
|
494 ms | 121.40.25.167 |
| 33 | 2026-08-09 10:28 | 639218673547179738 |
|
248 ms | 121.40.25.167 |
| 32 | 2026-08-09 10:13 | 639218664890274867 |
|
2239 ms | 121.40.25.167 |
| 31 | 2026-08-09 09:59 | 639218656036928157 |
|
252 ms | 121.40.25.167 |
| 30 | 2026-08-09 09:07 | 639218624808018222 |
|
220 ms | 121.40.25.167 |
| 29 | 2026-08-09 08:52 | 639218616243340806 |
|
238 ms | 121.40.25.167 |
| 28 | 2026-08-09 08:38 | 639218607397811973 |
|
250 ms | 121.40.25.167 |
| 27 | 2026-08-09 08:23 | 639218598812444454 |
|
495 ms | 121.40.25.167 |
| 26 | 2026-08-09 08:09 | 639218590219570048 |
|
272 ms | 121.40.25.167 |
| 25 | 2026-08-09 07:55 | 639218581690210758 |
|
260 ms | 121.40.25.167 |
| 24 | 2026-08-09 07:40 | 639218573057388822 |
|
494 ms | 121.40.25.167 |
| 23 | 2026-08-09 07:26 | 639218564408781785 |
|
264 ms | 121.40.25.167 |
| 22 | 2026-08-09 07:12 | 639218555767188482 |
|
1760 ms | 121.40.25.167 |
| 21 | 2026-08-09 06:57 | 639218547142705295 |
|
252 ms | 121.40.25.167 |
| 20 | 2026-08-09 06:43 | 639218538090114532 |
|
493 ms | 121.40.25.167 |
| 19 | 2026-08-09 06:27 | 639218529257910584 |
|
487 ms | 121.40.25.167 |
| 18 | 2026-08-09 05:36 | 639218498473231858 |
|
237 ms | 121.40.25.167 |
| 17 | 2026-08-09 05:22 | 639218489802113995 |
|
965 ms | 121.40.25.167 |
| 16 | 2026-08-09 05:07 | 639218481006804516 |
|
240 ms | 121.40.25.167 |
| 15 | 2026-08-09 04:52 | 639218472048712427 |
|
477 ms | 121.40.25.167 |
| 14 | 2026-08-09 04:37 | 639218463224432974 |
|
491 ms | 121.40.25.167 |
| 13 | 2026-08-09 04:23 | 639218454384107526 |
|
244 ms | 121.40.25.167 |
| 12 | 2026-08-09 04:08 | 639218445331231791 |
|
488 ms | 121.40.25.167 |
| 11 | 2026-08-09 03:53 | 639218436285215733 |
|
488 ms | 121.40.25.167 |
| 10 | 2026-08-09 03:38 | 639218427289555123 |
|
472 ms | 121.40.25.167 |
| 9 | 2026-08-09 03:23 | 639218418227819981 |
|
472 ms | 121.40.25.167 |
| 8 | 2026-08-09 03:07 | 639218409119503123 |
|
242 ms | 121.40.25.167 |
| 7 | 2026-08-09 02:52 | 639218399771712154 |
|
494 ms | 121.40.25.167 |
| 6 | 2026-08-09 02:00 | 639218368648652303 |
|
248 ms | 121.40.25.167 |
| 5 | 2026-08-09 01:45 | 639218359569598460 |
|
239 ms | 121.40.25.167 |
| 4 | 2026-08-09 01:30 | 639218350555429902 |
|
245 ms | 121.40.25.167 |
| 3 | 2026-08-09 01:15 | 639218341311543299 |
|
251 ms | 121.40.25.167 |
| 2 | 2026-08-09 00:23 | 639218309981981465 |
|
239 ms | 121.40.25.167 |
| 1 | 2026-08-09 00:07 | 639218300987184335 |
|
256 ms | 121.40.25.167 |