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 2026-08-20. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 454 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
57
Historical checks stored for this nameserver on selected date
Average Latency
454 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-20 23:20
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
57
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 2026-08-20 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 |
|---|---|---|---|---|---|
| 57 | 2026-08-20 23:20 | 639228639850033448 |
|
468 ms | 121.40.25.167 |
| 56 | 2026-08-20 23:04 | 639228630204271870 |
|
513 ms | 121.40.25.167 |
| 55 | 2026-08-20 22:47 | 639228620295091135 |
|
475 ms | 121.40.25.167 |
| 54 | 2026-08-20 22:31 | 639228610298336915 |
|
252 ms | 121.40.25.167 |
| 53 | 2026-08-20 21:38 | 639228578917047616 |
|
237 ms | 121.40.25.167 |
| 52 | 2026-08-20 21:22 | 639228569046445709 |
|
494 ms | 121.40.25.167 |
| 51 | 2026-08-20 21:05 | 639228558946830986 |
|
249 ms | 121.40.25.167 |
| 50 | 2026-08-20 20:48 | 639228548977359217 |
|
259 ms | 121.40.25.167 |
| 49 | 2026-08-20 19:56 | 639228517494157668 |
|
488 ms | 121.40.25.167 |
| 48 | 2026-08-20 19:40 | 639228507374116892 |
|
488 ms | 121.40.25.167 |
| 47 | 2026-08-20 19:22 | 639228497315154893 |
|
236 ms | 121.40.25.167 |
| 46 | 2026-08-20 19:06 | 639228487287648341 |
|
239 ms | 121.40.25.167 |
| 45 | 2026-08-20 18:13 | 639228455828123788 |
|
465 ms | 121.40.25.167 |
| 44 | 2026-08-20 17:57 | 639228445900082244 |
|
240 ms | 121.40.25.167 |
| 43 | 2026-08-20 17:40 | 639228435866352323 |
|
493 ms | 121.40.25.167 |
| 42 | 2026-08-20 17:23 | 639228425802273151 |
|
491 ms | 121.40.25.167 |
| 41 | 2026-08-20 16:30 | 639228393616324230 |
|
484 ms | 121.40.25.167 |
| 40 | 2026-08-20 16:13 | 639228383590408693 |
|
506 ms | 121.40.25.167 |
| 39 | 2026-08-20 15:56 | 639228373471467474 |
|
479 ms | 121.40.25.167 |
| 38 | 2026-08-20 15:39 | 639228363426647311 |
|
251 ms | 121.40.25.167 |
| 37 | 2026-08-20 14:46 | 639228331681701910 |
|
240 ms | 121.40.25.167 |
| 36 | 2026-08-20 14:30 | 639228321714746824 |
|
265 ms | 121.40.25.167 |
| 35 | 2026-08-20 14:13 | 639228311652090262 |
|
872 ms | 121.40.25.167 |
| 34 | 2026-08-20 13:56 | 639228301670088587 |
|
506 ms | 121.40.25.167 |
| 33 | 2026-08-20 13:03 | 639228269987976710 |
|
470 ms | 121.40.25.167 |
| 32 | 2026-08-20 12:47 | 639228260009452308 |
|
542 ms | 121.40.25.167 |
| 31 | 2026-08-20 12:30 | 639228249661740894 |
|
1485 ms | 121.40.25.167 |
| 30 | 2026-08-20 12:13 | 639228239552680346 |
|
500 ms | 121.40.25.167 |
| 29 | 2026-08-20 11:20 | 639228207667580819 |
|
477 ms | 121.40.25.167 |
| 28 | 2026-08-20 11:03 | 639228197494011560 |
|
497 ms | 121.40.25.167 |
| 27 | 2026-08-20 10:46 | 639228187497039939 |
|
536 ms | 121.40.25.167 |
| 26 | 2026-08-20 10:29 | 639228177408432646 |
|
486 ms | 121.40.25.167 |
| 25 | 2026-08-20 09:37 | 639228146356166262 |
|
485 ms | 121.40.25.167 |
| 24 | 2026-08-20 09:21 | 639228136541505712 |
|
511 ms | 121.40.25.167 |
| 23 | 2026-08-20 09:04 | 639228126519136598 |
|
241 ms | 121.40.25.167 |
| 22 | 2026-08-20 08:48 | 639228116537148885 |
|
483 ms | 121.40.25.167 |
| 21 | 2026-08-20 07:55 | 639228085320764351 |
|
253 ms | 121.40.25.167 |
| 20 | 2026-08-20 07:39 | 639228075444604839 |
|
272 ms | 121.40.25.167 |
| 19 | 2026-08-20 07:23 | 639228065615498985 |
|
322 ms | 121.40.25.167 |
| 18 | 2026-08-20 07:06 | 639228055675321422 |
|
262 ms | 121.40.25.167 |
| 17 | 2026-08-20 06:14 | 639228024230839396 |
|
478 ms | 121.40.25.167 |
| 16 | 2026-08-20 05:58 | 639228014720406505 |
|
505 ms | 121.40.25.167 |
| 15 | 2026-08-20 05:42 | 639228004930827030 |
|
485 ms | 121.40.25.167 |
| 14 | 2026-08-20 05:25 | 639227995103340154 |
|
498 ms | 121.40.25.167 |
| 13 | 2026-08-20 04:33 | 639227963811374894 |
|
479 ms | 121.40.25.167 |
| 12 | 2026-08-20 04:17 | 639227954132571365 |
|
242 ms | 121.40.25.167 |
| 11 | 2026-08-20 04:01 | 639227944541208342 |
|
489 ms | 121.40.25.167 |
| 10 | 2026-08-20 03:45 | 639227934657213484 |
|
240 ms | 121.40.25.167 |
| 9 | 2026-08-20 02:52 | 639227903628145469 |
|
1116 ms | 121.40.25.167 |
| 8 | 2026-08-20 02:37 | 639227893995483475 |
|
348 ms | 121.40.25.167 |
| 7 | 2026-08-20 02:20 | 639227884280244209 |
|
497 ms | 121.40.25.167 |
| 6 | 2026-08-20 02:04 | 639227874371147132 |
|
810 ms | 121.40.25.167 |
| 5 | 2026-08-20 01:12 | 639227843224256432 |
|
472 ms | 121.40.25.167 |
| 4 | 2026-08-20 00:56 | 639227833720403506 |
|
250 ms | 121.40.25.167 |
| 3 | 2026-08-20 00:40 | 639227824170728278 |
|
492 ms | 121.40.25.167 |
| 2 | 2026-08-20 00:24 | 639227814865867570 |
|
491 ms | 121.40.25.167 |
| 1 | 2026-08-20 00:09 | 639227805445376839 |
|
476 ms | 121.40.25.167 |