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 2026-08-17. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 497 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
71
Historical checks stored for this nameserver on selected date
Average Latency
497 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-17 23:44
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
71
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 2026-08-17 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 |
|---|---|---|---|---|---|
| 71 | 2026-08-17 23:44 | 639226062577647657 |
|
238 ms | 121.40.25.167 |
| 70 | 2026-08-17 22:51 | 639226031060857136 |
|
471 ms | 121.40.25.167 |
| 69 | 2026-08-17 22:35 | 639226021535117364 |
|
458 ms | 121.40.25.167 |
| 68 | 2026-08-17 22:20 | 639226011884237078 |
|
495 ms | 121.40.25.167 |
| 67 | 2026-08-17 22:03 | 639226002309299142 |
|
497 ms | 121.40.25.167 |
| 66 | 2026-08-17 21:47 | 639225992791784448 |
|
240 ms | 121.40.25.167 |
| 65 | 2026-08-17 21:32 | 639225983045271390 |
|
478 ms | 121.40.25.167 |
| 64 | 2026-08-17 21:15 | 639225973246293513 |
|
266 ms | 121.40.25.167 |
| 63 | 2026-08-17 20:59 | 639225963620186236 |
|
238 ms | 121.40.25.167 |
| 62 | 2026-08-17 20:43 | 639225953899183916 |
|
456 ms | 121.40.25.167 |
| 61 | 2026-08-17 20:27 | 639225944391528206 |
|
495 ms | 121.40.25.167 |
| 60 | 2026-08-17 20:11 | 639225934593254169 |
|
481 ms | 121.40.25.167 |
| 59 | 2026-08-17 19:54 | 639225924669984512 |
|
243 ms | 121.40.25.167 |
| 58 | 2026-08-17 19:01 | 639225893048561320 |
|
2530 ms | 121.40.25.167 |
| 57 | 2026-08-17 18:45 | 639225883481298424 |
|
514 ms | 121.40.25.167 |
| 56 | 2026-08-17 18:29 | 639225873845394034 |
|
505 ms | 121.40.25.167 |
| 55 | 2026-08-17 18:13 | 639225864216078662 |
|
526 ms | 121.40.25.167 |
| 54 | 2026-08-17 17:57 | 639225854541857773 |
|
525 ms | 121.40.25.167 |
| 53 | 2026-08-17 17:41 | 639225844733604072 |
|
273 ms | 121.40.25.167 |
| 52 | 2026-08-17 17:25 | 639225835085229232 |
|
1011 ms | 121.40.25.167 |
| 51 | 2026-08-17 17:09 | 639225825349373981 |
|
229 ms | 121.40.25.167 |
| 50 | 2026-08-17 16:52 | 639225815690604161 |
|
541 ms | 121.40.25.167 |
| 49 | 2026-08-17 16:36 | 639225805952472306 |
|
247 ms | 121.40.25.167 |
| 48 | 2026-08-17 16:20 | 639225796264729638 |
|
481 ms | 121.40.25.167 |
| 47 | 2026-08-17 16:04 | 639225786326499329 |
|
1013 ms | 121.40.25.167 |
| 46 | 2026-08-17 15:11 | 639225754798130711 |
|
480 ms | 121.40.25.167 |
| 45 | 2026-08-17 14:55 | 639225745123193922 |
|
256 ms | 121.40.25.167 |
| 44 | 2026-08-17 14:39 | 639225735540597271 |
|
268 ms | 121.40.25.167 |
| 43 | 2026-08-17 14:23 | 639225725894857396 |
|
1037 ms | 121.40.25.167 |
| 42 | 2026-08-17 14:07 | 639225716249606913 |
|
515 ms | 121.40.25.167 |
| 41 | 2026-08-17 13:51 | 639225706638238179 |
|
505 ms | 121.40.25.167 |
| 40 | 2026-08-17 13:34 | 639225696949691423 |
|
247 ms | 121.40.25.167 |
| 39 | 2026-08-17 13:18 | 639225687286186336 |
|
490 ms | 121.40.25.167 |
| 38 | 2026-08-17 13:02 | 639225677679573133 |
|
272 ms | 121.40.25.167 |
| 37 | 2026-08-17 12:46 | 639225667957861024 |
|
255 ms | 121.40.25.167 |
| 36 | 2026-08-17 12:30 | 639225658298791618 |
|
488 ms | 121.40.25.167 |
| 35 | 2026-08-17 12:14 | 639225648583652785 |
|
247 ms | 121.40.25.167 |
| 34 | 2026-08-17 11:21 | 639225617000524308 |
|
543 ms | 121.40.25.167 |
| 33 | 2026-08-17 11:05 | 639225607668541600 |
|
529 ms | 121.40.25.167 |
| 32 | 2026-08-17 10:50 | 639225598117279238 |
|
238 ms | 121.40.25.167 |
| 31 | 2026-08-17 10:34 | 639225588751002710 |
|
474 ms | 121.40.25.167 |
| 30 | 2026-08-17 10:18 | 639225579295831051 |
|
232 ms | 121.40.25.167 |
| 29 | 2026-08-17 10:02 | 639225569761469940 |
|
248 ms | 121.40.25.167 |
| 28 | 2026-08-17 09:46 | 639225560161422333 |
|
272 ms | 121.40.25.167 |
| 27 | 2026-08-17 09:30 | 639225550739955565 |
|
236 ms | 121.40.25.167 |
| 26 | 2026-08-17 09:15 | 639225541125222426 |
|
259 ms | 121.40.25.167 |
| 25 | 2026-08-17 08:59 | 639225531526675983 |
|
484 ms | 121.40.25.167 |
| 24 | 2026-08-17 08:42 | 639225521915528222 |
|
483 ms | 121.40.25.167 |
| 23 | 2026-08-17 08:26 | 639225512148151789 |
|
1014 ms | 121.40.25.167 |
| 22 | 2026-08-17 07:34 | 639225480786142412 |
|
275 ms | 121.40.25.167 |
| 21 | 2026-08-17 07:18 | 639225471394348551 |
|
1248 ms | 121.40.25.167 |
| 20 | 2026-08-17 07:02 | 639225462031685068 |
|
277 ms | 121.40.25.167 |
| 19 | 2026-08-17 06:47 | 639225452639458328 |
|
280 ms | 121.40.25.167 |
| 18 | 2026-08-17 06:31 | 639225443300966543 |
|
540 ms | 121.40.25.167 |
| 17 | 2026-08-17 06:16 | 639225433880499379 |
|
558 ms | 121.40.25.167 |
| 16 | 2026-08-17 06:00 | 639225424395198277 |
|
799 ms | 121.40.25.167 |
| 15 | 2026-08-17 05:44 | 639225414744137487 |
|
491 ms | 121.40.25.167 |
| 14 | 2026-08-17 05:28 | 639225405186783164 |
|
563 ms | 121.40.25.167 |
| 13 | 2026-08-17 05:12 | 639225395563669822 |
|
496 ms | 121.40.25.167 |
| 12 | 2026-08-17 04:56 | 639225386076645158 |
|
488 ms | 121.40.25.167 |
| 11 | 2026-08-17 04:40 | 639225376620669704 |
|
1003 ms | 121.40.25.167 |
| 10 | 2026-08-17 03:48 | 639225345580892706 |
|
565 ms | 121.40.25.167 |
| 9 | 2026-08-17 03:33 | 639225336207383710 |
|
562 ms | 121.40.25.167 |
| 8 | 2026-08-17 03:17 | 639225326726565001 |
|
867 ms | 121.40.25.167 |
| 7 | 2026-08-17 03:01 | 639225317249271010 |
|
526 ms | 121.40.25.167 |
| 6 | 2026-08-17 02:10 | 639225286280886044 |
|
272 ms | 121.40.25.167 |
| 5 | 2026-08-17 01:54 | 639225276872567548 |
|
258 ms | 121.40.25.167 |
| 4 | 2026-08-17 01:38 | 639225267353865348 |
|
527 ms | 121.40.25.167 |
| 3 | 2026-08-17 01:22 | 639225258033914248 |
|
485 ms | 121.40.25.167 |
| 2 | 2026-08-17 00:30 | 639225226652221583 |
|
240 ms | 121.40.25.167 |
| 1 | 2026-08-17 00:15 | 639225217156387684 |
|
474 ms | 121.40.25.167 |