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 2026-08-26. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 602 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
54
Historical checks stored for this nameserver on selected date
Average Latency
602 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 17:49
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
54
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 2026-08-26 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 |
|---|---|---|---|---|---|
| 54 | 2026-08-26 17:49 | 639233624977342122 |
|
1020 ms | 121.40.25.167 |
| 53 | 2026-08-26 17:32 | 639233614446136153 |
|
519 ms | 121.40.25.167 |
| 52 | 2026-08-26 17:14 | 639233603737877581 |
|
256 ms | 121.40.25.167 |
| 51 | 2026-08-26 16:56 | 639233593269224651 |
|
577 ms | 121.40.25.167 |
| 50 | 2026-08-26 16:39 | 639233582635086903 |
|
270 ms | 121.40.25.167 |
| 49 | 2026-08-26 16:21 | 639233572000374575 |
|
1058 ms | 121.40.25.167 |
| 48 | 2026-08-26 16:03 | 639233561188633861 |
|
1486 ms | 121.40.25.167 |
| 47 | 2026-08-26 15:45 | 639233550544357027 |
|
285 ms | 121.40.25.167 |
| 46 | 2026-08-26 14:51 | 639233517966053117 |
|
1012 ms | 121.40.25.167 |
| 45 | 2026-08-26 14:33 | 639233507603253585 |
|
869 ms | 121.40.25.167 |
| 44 | 2026-08-26 14:16 | 639233497229039167 |
|
509 ms | 121.40.25.167 |
| 43 | 2026-08-26 13:59 | 639233486864546406 |
|
1006 ms | 121.40.25.167 |
| 42 | 2026-08-26 13:42 | 639233476455174682 |
|
1501 ms | 121.40.25.167 |
| 41 | 2026-08-26 13:24 | 639233466171592605 |
|
530 ms | 121.40.25.167 |
| 40 | 2026-08-26 13:07 | 639233455747096265 |
|
564 ms | 121.40.25.167 |
| 39 | 2026-08-26 12:50 | 639233445367152284 |
|
268 ms | 121.40.25.167 |
| 38 | 2026-08-26 12:32 | 639233434974187439 |
|
1017 ms | 121.40.25.167 |
| 37 | 2026-08-26 12:15 | 639233424567558554 |
|
514 ms | 121.40.25.167 |
| 36 | 2026-08-26 11:58 | 639233414056832719 |
|
241 ms | 121.40.25.167 |
| 35 | 2026-08-26 11:40 | 639233403515141099 |
|
1011 ms | 121.40.25.167 |
| 34 | 2026-08-26 10:45 | 639233370841350248 |
|
1003 ms | 121.40.25.167 |
| 33 | 2026-08-26 10:28 | 639233360361507238 |
|
243 ms | 121.40.25.167 |
| 32 | 2026-08-26 10:11 | 639233350067824371 |
|
492 ms | 121.40.25.167 |
| 31 | 2026-08-26 09:54 | 639233339545274518 |
|
239 ms | 121.40.25.167 |
| 30 | 2026-08-26 09:36 | 639233329214918079 |
|
508 ms | 121.40.25.167 |
| 29 | 2026-08-26 09:19 | 639233318749762337 |
|
484 ms | 121.40.25.167 |
| 28 | 2026-08-26 09:01 | 639233308387917838 |
|
504 ms | 121.40.25.167 |
| 27 | 2026-08-26 08:44 | 639233297961740122 |
|
244 ms | 121.40.25.167 |
| 26 | 2026-08-26 08:27 | 639233287487159094 |
|
234 ms | 121.40.25.167 |
| 25 | 2026-08-26 08:09 | 639233276995531707 |
|
512 ms | 121.40.25.167 |
| 24 | 2026-08-26 07:52 | 639233266521568229 |
|
503 ms | 121.40.25.167 |
| 23 | 2026-08-26 07:34 | 639233256081047431 |
|
741 ms | 121.40.25.167 |
| 22 | 2026-08-26 06:40 | 639233223620132921 |
|
252 ms | 121.40.25.167 |
| 21 | 2026-08-26 06:23 | 639233213287814244 |
|
270 ms | 121.40.25.167 |
| 20 | 2026-08-26 06:06 | 639233202925983161 |
|
502 ms | 121.40.25.167 |
| 19 | 2026-08-26 05:48 | 639233192644780696 |
|
494 ms | 121.40.25.167 |
| 18 | 2026-08-26 05:31 | 639233182401183833 |
|
490 ms | 121.40.25.167 |
| 17 | 2026-08-26 05:14 | 639233172074181051 |
|
925 ms | 121.40.25.167 |
| 16 | 2026-08-26 04:57 | 639233161808421455 |
|
476 ms | 121.40.25.167 |
| 15 | 2026-08-26 04:40 | 639233151357344052 |
|
502 ms | 121.40.25.167 |
| 14 | 2026-08-26 04:22 | 639233141034116946 |
|
238 ms | 121.40.25.167 |
| 13 | 2026-08-26 04:05 | 639233130828334142 |
|
491 ms | 121.40.25.167 |
| 12 | 2026-08-26 03:48 | 639233120373450007 |
|
2200 ms | 121.40.25.167 |
| 11 | 2026-08-26 03:31 | 639233110066216193 |
|
594 ms | 121.40.25.167 |
| 10 | 2026-08-26 02:37 | 639233078065410564 |
|
510 ms | 121.40.25.167 |
| 9 | 2026-08-26 02:20 | 639233067787457832 |
|
499 ms | 121.40.25.167 |
| 8 | 2026-08-26 02:03 | 639233057501801162 |
|
257 ms | 121.40.25.167 |
| 7 | 2026-08-26 01:46 | 639233047089431703 |
|
529 ms | 121.40.25.167 |
| 6 | 2026-08-26 01:29 | 639233036754790688 |
|
474 ms | 121.40.25.167 |
| 5 | 2026-08-26 01:11 | 639233026412602472 |
|
531 ms | 121.40.25.167 |
| 4 | 2026-08-26 00:54 | 639233016064066127 |
|
466 ms | 121.40.25.167 |
| 3 | 2026-08-26 00:37 | 639233005922655772 |
|
615 ms | 121.40.25.167 |
| 2 | 2026-08-26 00:20 | 639232995672256907 |
|
482 ms | 121.40.25.167 |
| 1 | 2026-08-26 00:03 | 639232985300872416 |
|
483 ms | 121.40.25.167 |