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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 435 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
74
Historical checks stored for this nameserver on selected date
Average Latency
435 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-19 23:53
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
74
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 2026-08-19 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 |
|---|---|---|---|---|---|
| 74 | 2026-08-19 23:53 | 639227795899225951 |
|
523 ms | 121.40.25.167 |
| 73 | 2026-08-19 23:37 | 639227786351762008 |
|
518 ms | 121.40.25.167 |
| 72 | 2026-08-19 23:21 | 639227776640591733 |
|
476 ms | 121.40.25.167 |
| 71 | 2026-08-19 23:05 | 639227767128841282 |
|
364 ms | 121.40.25.167 |
| 70 | 2026-08-19 22:49 | 639227757477304711 |
|
478 ms | 121.40.25.167 |
| 69 | 2026-08-19 22:33 | 639227747572098014 |
|
459 ms | 121.40.25.167 |
| 68 | 2026-08-19 22:16 | 639227737588613113 |
|
519 ms | 121.40.25.167 |
| 67 | 2026-08-19 21:23 | 639227706134603955 |
|
484 ms | 121.40.25.167 |
| 66 | 2026-08-19 21:08 | 639227696589027396 |
|
471 ms | 121.40.25.167 |
| 65 | 2026-08-19 20:52 | 639227687097707639 |
|
240 ms | 121.40.25.167 |
| 64 | 2026-08-19 20:36 | 639227677474464487 |
|
211 ms | 121.40.25.167 |
| 63 | 2026-08-19 20:20 | 639227667767441118 |
|
228 ms | 121.40.25.167 |
| 62 | 2026-08-19 20:03 | 639227657984833832 |
|
470 ms | 121.40.25.167 |
| 61 | 2026-08-19 19:47 | 639227648079992640 |
|
460 ms | 121.40.25.167 |
| 60 | 2026-08-19 19:31 | 639227638125048441 |
|
237 ms | 121.40.25.167 |
| 59 | 2026-08-19 19:14 | 639227628211392142 |
|
478 ms | 121.40.25.167 |
| 58 | 2026-08-19 18:57 | 639227618261696275 |
|
490 ms | 121.40.25.167 |
| 57 | 2026-08-19 18:41 | 639227608366233645 |
|
480 ms | 121.40.25.167 |
| 56 | 2026-08-19 18:24 | 639227598301787588 |
|
532 ms | 121.40.25.167 |
| 55 | 2026-08-19 17:31 | 639227566241010716 |
|
539 ms | 121.40.25.167 |
| 54 | 2026-08-19 17:14 | 639227556454538959 |
|
534 ms | 121.40.25.167 |
| 53 | 2026-08-19 16:58 | 639227546640305542 |
|
506 ms | 121.40.25.167 |
| 52 | 2026-08-19 16:41 | 639227536965466472 |
|
251 ms | 121.40.25.167 |
| 51 | 2026-08-19 16:25 | 639227527048658280 |
|
499 ms | 121.40.25.167 |
| 50 | 2026-08-19 16:09 | 639227517386634438 |
|
493 ms | 121.40.25.167 |
| 49 | 2026-08-19 15:53 | 639227507459551637 |
|
508 ms | 121.40.25.167 |
| 48 | 2026-08-19 15:36 | 639227497515595277 |
|
748 ms | 121.40.25.167 |
| 47 | 2026-08-19 15:19 | 639227487441798036 |
|
235 ms | 121.40.25.167 |
| 46 | 2026-08-19 15:03 | 639227477445551863 |
|
245 ms | 121.40.25.167 |
| 45 | 2026-08-19 14:46 | 639227467297067891 |
|
481 ms | 121.40.25.167 |
| 44 | 2026-08-19 14:29 | 639227457057795635 |
|
238 ms | 121.40.25.167 |
| 43 | 2026-08-19 13:35 | 639227425244777397 |
|
483 ms | 121.40.25.167 |
| 42 | 2026-08-19 13:19 | 639227415422116485 |
|
657 ms | 121.40.25.167 |
| 41 | 2026-08-19 13:02 | 639227405307256053 |
|
470 ms | 121.40.25.167 |
| 40 | 2026-08-19 12:46 | 639227395396602630 |
|
481 ms | 121.40.25.167 |
| 39 | 2026-08-19 12:29 | 639227385510363611 |
|
535 ms | 121.40.25.167 |
| 38 | 2026-08-19 12:13 | 639227375508324850 |
|
509 ms | 121.40.25.167 |
| 37 | 2026-08-19 11:56 | 639227365326611906 |
|
253 ms | 121.40.25.167 |
| 36 | 2026-08-19 11:39 | 639227355360014208 |
|
496 ms | 121.40.25.167 |
| 35 | 2026-08-19 11:22 | 639227345036782165 |
|
248 ms | 121.40.25.167 |
| 34 | 2026-08-19 11:05 | 639227334992964533 |
|
248 ms | 121.40.25.167 |
| 33 | 2026-08-19 10:48 | 639227324986605572 |
|
241 ms | 121.40.25.167 |
| 32 | 2026-08-19 10:32 | 639227314928414539 |
|
1001 ms | 121.40.25.167 |
| 31 | 2026-08-19 09:38 | 639227283029182134 |
|
487 ms | 121.40.25.167 |
| 30 | 2026-08-19 09:22 | 639227273294779350 |
|
485 ms | 121.40.25.167 |
| 29 | 2026-08-19 09:06 | 639227263525231313 |
|
334 ms | 121.40.25.167 |
| 28 | 2026-08-19 08:49 | 639227253578313363 |
|
490 ms | 121.40.25.167 |
| 27 | 2026-08-19 08:33 | 639227243649973322 |
|
499 ms | 121.40.25.167 |
| 26 | 2026-08-19 08:16 | 639227233581059317 |
|
473 ms | 121.40.25.167 |
| 25 | 2026-08-19 07:59 | 639227223667352067 |
|
529 ms | 121.40.25.167 |
| 24 | 2026-08-19 07:43 | 639227213714837066 |
|
484 ms | 121.40.25.167 |
| 23 | 2026-08-19 07:26 | 639227203701208496 |
|
481 ms | 121.40.25.167 |
| 22 | 2026-08-19 07:10 | 639227193643202179 |
|
250 ms | 121.40.25.167 |
| 21 | 2026-08-19 06:53 | 639227183584431597 |
|
250 ms | 121.40.25.167 |
| 20 | 2026-08-19 06:36 | 639227173347403088 |
|
282 ms | 121.40.25.167 |
| 19 | 2026-08-19 05:42 | 639227141523007601 |
|
558 ms | 121.40.25.167 |
| 18 | 2026-08-19 05:26 | 639227131785931574 |
|
243 ms | 121.40.25.167 |
| 17 | 2026-08-19 05:10 | 639227122176475389 |
|
271 ms | 121.40.25.167 |
| 16 | 2026-08-19 04:54 | 639227112668934596 |
|
766 ms | 121.40.25.167 |
| 15 | 2026-08-19 04:38 | 639227102773292788 |
|
486 ms | 121.40.25.167 |
| 14 | 2026-08-19 04:22 | 639227093141136930 |
|
252 ms | 121.40.25.167 |
| 13 | 2026-08-19 04:06 | 639227083449420147 |
|
272 ms | 121.40.25.167 |
| 12 | 2026-08-19 03:49 | 639227073771748493 |
|
277 ms | 121.40.25.167 |
| 11 | 2026-08-19 03:33 | 639227063977347614 |
|
514 ms | 121.40.25.167 |
| 10 | 2026-08-19 03:17 | 639227054253519024 |
|
541 ms | 121.40.25.167 |
| 9 | 2026-08-19 03:01 | 639227044381963886 |
|
756 ms | 121.40.25.167 |
| 8 | 2026-08-19 02:44 | 639227034441085514 |
|
489 ms | 121.40.25.167 |
| 7 | 2026-08-19 01:52 | 639227003126489968 |
|
507 ms | 121.40.25.167 |
| 6 | 2026-08-19 01:36 | 639226993456311614 |
|
500 ms | 121.40.25.167 |
| 5 | 2026-08-19 01:20 | 639226983847312345 |
|
503 ms | 121.40.25.167 |
| 4 | 2026-08-19 01:04 | 639226974357874853 |
|
241 ms | 121.40.25.167 |
| 3 | 2026-08-19 00:48 | 639226964670484721 |
|
478 ms | 121.40.25.167 |
| 2 | 2026-08-19 00:32 | 639226954857899696 |
|
236 ms | 121.40.25.167 |
| 1 | 2026-08-19 00:15 | 639226945091603488 |
|
247 ms | 121.40.25.167 |