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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 73 successful responses, 0 failed responses, and 468 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
73
Historical checks stored for this nameserver on selected date
Average Latency
468 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-21 23:59
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
73
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 2026-08-21 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 |
|---|---|---|---|---|---|
| 73 | 2026-08-21 23:59 | 639229527598660841 |
|
236 ms | 121.40.25.167 |
| 72 | 2026-08-21 23:43 | 639229517954323214 |
|
512 ms | 121.40.25.167 |
| 71 | 2026-08-21 23:27 | 639229508269999021 |
|
238 ms | 121.40.25.167 |
| 70 | 2026-08-21 23:11 | 639229498559060171 |
|
485 ms | 121.40.25.167 |
| 69 | 2026-08-21 22:54 | 639229488519347586 |
|
489 ms | 121.40.25.167 |
| 68 | 2026-08-21 22:01 | 639229456606578934 |
|
270 ms | 121.40.25.167 |
| 67 | 2026-08-21 21:45 | 639229446985772499 |
|
516 ms | 121.40.25.167 |
| 66 | 2026-08-21 21:29 | 639229437367313098 |
|
521 ms | 121.40.25.167 |
| 65 | 2026-08-21 21:13 | 639229427923950391 |
|
254 ms | 121.40.25.167 |
| 64 | 2026-08-21 20:57 | 639229418168588854 |
|
217 ms | 121.40.25.167 |
| 63 | 2026-08-21 20:41 | 639229408345678334 |
|
2292 ms | 121.40.25.167 |
| 62 | 2026-08-21 20:24 | 639229398616354648 |
|
551 ms | 121.40.25.167 |
| 61 | 2026-08-21 20:08 | 639229388634592323 |
|
244 ms | 121.40.25.167 |
| 60 | 2026-08-21 19:52 | 639229378792837692 |
|
394 ms | 121.40.25.167 |
| 59 | 2026-08-21 19:35 | 639229369154682311 |
|
185 ms | 121.40.25.167 |
| 58 | 2026-08-21 19:19 | 639229359248017926 |
|
246 ms | 121.40.25.167 |
| 57 | 2026-08-21 19:02 | 639229349124294642 |
|
545 ms | 121.40.25.167 |
| 56 | 2026-08-21 18:10 | 639229317791715692 |
|
251 ms | 121.40.25.167 |
| 55 | 2026-08-21 17:53 | 639229308115194575 |
|
280 ms | 121.40.25.167 |
| 54 | 2026-08-21 17:37 | 639229298320320558 |
|
502 ms | 121.40.25.167 |
| 53 | 2026-08-21 17:21 | 639229288674863221 |
|
580 ms | 121.40.25.167 |
| 52 | 2026-08-21 17:05 | 639229278983677079 |
|
509 ms | 121.40.25.167 |
| 51 | 2026-08-21 16:49 | 639229269405517175 |
|
519 ms | 121.40.25.167 |
| 50 | 2026-08-21 16:33 | 639229259594798244 |
|
513 ms | 121.40.25.167 |
| 49 | 2026-08-21 16:16 | 639229249736681188 |
|
173 ms | 121.40.25.167 |
| 48 | 2026-08-21 16:00 | 639229239699417787 |
|
761 ms | 121.40.25.167 |
| 47 | 2026-08-21 15:43 | 639229229621964033 |
|
961 ms | 121.40.25.167 |
| 46 | 2026-08-21 15:26 | 639229219567270965 |
|
526 ms | 121.40.25.167 |
| 45 | 2026-08-21 15:09 | 639229209406666856 |
|
267 ms | 121.40.25.167 |
| 44 | 2026-08-21 14:16 | 639229177815876178 |
|
262 ms | 121.40.25.167 |
| 43 | 2026-08-21 14:00 | 639229168243572685 |
|
1174 ms | 121.40.25.167 |
| 42 | 2026-08-21 13:44 | 639229158599856475 |
|
503 ms | 121.40.25.167 |
| 41 | 2026-08-21 13:28 | 639229148998940902 |
|
283 ms | 121.40.25.167 |
| 40 | 2026-08-21 13:12 | 639229139276923594 |
|
762 ms | 121.40.25.167 |
| 39 | 2026-08-21 12:56 | 639229129709912394 |
|
1075 ms | 121.40.25.167 |
| 38 | 2026-08-21 12:40 | 639229119801488500 |
|
563 ms | 121.40.25.167 |
| 37 | 2026-08-21 12:23 | 639229110135262458 |
|
505 ms | 121.40.25.167 |
| 36 | 2026-08-21 12:07 | 639229100336051392 |
|
509 ms | 121.40.25.167 |
| 35 | 2026-08-21 11:51 | 639229090641415626 |
|
521 ms | 121.40.25.167 |
| 34 | 2026-08-21 11:35 | 639229080702683947 |
|
262 ms | 121.40.25.167 |
| 33 | 2026-08-21 11:18 | 639229070601456699 |
|
254 ms | 121.40.25.167 |
| 32 | 2026-08-21 10:25 | 639229038947447232 |
|
537 ms | 121.40.25.167 |
| 31 | 2026-08-21 10:09 | 639229029268708773 |
|
466 ms | 121.40.25.167 |
| 30 | 2026-08-21 09:53 | 639229019647910603 |
|
524 ms | 121.40.25.167 |
| 29 | 2026-08-21 09:37 | 639229009983843738 |
|
254 ms | 121.40.25.167 |
| 28 | 2026-08-21 09:20 | 639229000203331882 |
|
211 ms | 121.40.25.167 |
| 27 | 2026-08-21 09:04 | 639228990302335999 |
|
242 ms | 121.40.25.167 |
| 26 | 2026-08-21 08:48 | 639228980567740722 |
|
525 ms | 121.40.25.167 |
| 25 | 2026-08-21 08:31 | 639228970762445174 |
|
522 ms | 121.40.25.167 |
| 24 | 2026-08-21 08:15 | 639228961065054445 |
|
256 ms | 121.40.25.167 |
| 23 | 2026-08-21 07:59 | 639228951224649885 |
|
495 ms | 121.40.25.167 |
| 22 | 2026-08-21 07:42 | 639228941303864592 |
|
534 ms | 121.40.25.167 |
| 21 | 2026-08-21 07:26 | 639228931191328583 |
|
525 ms | 121.40.25.167 |
| 20 | 2026-08-21 06:33 | 639228899518173317 |
|
242 ms | 121.40.25.167 |
| 19 | 2026-08-21 06:16 | 639228889785027669 |
|
250 ms | 121.40.25.167 |
| 18 | 2026-08-21 06:00 | 639228880106330161 |
|
267 ms | 121.40.25.167 |
| 17 | 2026-08-21 05:44 | 639228870316184091 |
|
265 ms | 121.40.25.167 |
| 16 | 2026-08-21 05:28 | 639228860695366512 |
|
514 ms | 121.40.25.167 |
| 15 | 2026-08-21 05:12 | 639228851027209500 |
|
519 ms | 121.40.25.167 |
| 14 | 2026-08-21 04:56 | 639228841479265462 |
|
248 ms | 121.40.25.167 |
| 13 | 2026-08-21 04:40 | 639228831752962260 |
|
504 ms | 121.40.25.167 |
| 12 | 2026-08-21 04:23 | 639228821953295483 |
|
526 ms | 121.40.25.167 |
| 11 | 2026-08-21 04:07 | 639228812227429953 |
|
531 ms | 121.40.25.167 |
| 10 | 2026-08-21 03:51 | 639228802476107538 |
|
251 ms | 121.40.25.167 |
| 9 | 2026-08-21 03:34 | 639228792525492032 |
|
254 ms | 121.40.25.167 |
| 8 | 2026-08-21 02:42 | 639228761131421385 |
|
313 ms | 121.40.25.167 |
| 7 | 2026-08-21 02:26 | 639228751571206692 |
|
1193 ms | 121.40.25.167 |
| 6 | 2026-08-21 02:10 | 639228741705571019 |
|
258 ms | 121.40.25.167 |
| 5 | 2026-08-21 01:53 | 639228731642208228 |
|
279 ms | 121.40.25.167 |
| 4 | 2026-08-21 01:00 | 639228700387002072 |
|
508 ms | 121.40.25.167 |
| 3 | 2026-08-21 00:45 | 639228690742014433 |
|
470 ms | 121.40.25.167 |
| 2 | 2026-08-21 00:28 | 639228680877937122 |
|
493 ms | 121.40.25.167 |
| 1 | 2026-08-21 00:12 | 639228670775860800 |
|
475 ms | 121.40.25.167 |