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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 574 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
76
Historical checks stored for this nameserver on selected date
Average Latency
574 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-15 23:50
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
76
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 2026-08-15 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 |
|---|---|---|---|---|---|
| 76 | 2026-08-15 23:50 | 639224338276675277 |
|
473 ms | 121.40.25.167 |
| 75 | 2026-08-15 22:57 | 639224306594546649 |
|
261 ms | 121.40.25.167 |
| 74 | 2026-08-15 22:41 | 639224297145423303 |
|
477 ms | 121.40.25.167 |
| 73 | 2026-08-15 22:25 | 639224287678238833 |
|
461 ms | 121.40.25.167 |
| 72 | 2026-08-15 22:10 | 639224278490872828 |
|
466 ms | 121.40.25.167 |
| 71 | 2026-08-15 21:55 | 639224269149307826 |
|
482 ms | 121.40.25.167 |
| 70 | 2026-08-15 21:39 | 639224259868597616 |
|
472 ms | 121.40.25.167 |
| 69 | 2026-08-15 21:23 | 639224250518642175 |
|
482 ms | 121.40.25.167 |
| 68 | 2026-08-15 21:08 | 639224241064772383 |
|
250 ms | 121.40.25.167 |
| 67 | 2026-08-15 20:52 | 639224231691099605 |
|
280 ms | 121.40.25.167 |
| 66 | 2026-08-15 20:37 | 639224222468168159 |
|
451 ms | 121.40.25.167 |
| 65 | 2026-08-15 20:21 | 639224213173899635 |
|
2245 ms | 121.40.25.167 |
| 64 | 2026-08-15 20:06 | 639224203914451783 |
|
465 ms | 121.40.25.167 |
| 63 | 2026-08-15 19:13 | 639224172202542163 |
|
257 ms | 121.40.25.167 |
| 62 | 2026-08-15 18:58 | 639224163338654093 |
|
243 ms | 121.40.25.167 |
| 61 | 2026-08-15 18:43 | 639224154287995374 |
|
481 ms | 121.40.25.167 |
| 60 | 2026-08-15 18:28 | 639224145118612503 |
|
237 ms | 121.40.25.167 |
| 59 | 2026-08-15 18:12 | 639224135995990731 |
|
239 ms | 121.40.25.167 |
| 58 | 2026-08-15 17:57 | 639224127185332624 |
|
232 ms | 121.40.25.167 |
| 57 | 2026-08-15 17:42 | 639224118229289175 |
|
998 ms | 121.40.25.167 |
| 56 | 2026-08-15 17:27 | 639224109273796359 |
|
256 ms | 121.40.25.167 |
| 55 | 2026-08-15 17:13 | 639224100490805608 |
|
465 ms | 121.40.25.167 |
| 54 | 2026-08-15 16:58 | 639224091353714490 |
|
257 ms | 121.40.25.167 |
| 53 | 2026-08-15 16:42 | 639224082033126828 |
|
494 ms | 121.40.25.167 |
| 52 | 2026-08-15 16:27 | 639224072736962403 |
|
254 ms | 121.40.25.167 |
| 51 | 2026-08-15 15:35 | 639224041475563754 |
|
990 ms | 121.40.25.167 |
| 50 | 2026-08-15 15:19 | 639224032345604453 |
|
499 ms | 121.40.25.167 |
| 49 | 2026-08-15 15:04 | 639224023169497283 |
|
999 ms | 121.40.25.167 |
| 48 | 2026-08-15 14:49 | 639224013981146405 |
|
938 ms | 121.40.25.167 |
| 47 | 2026-08-15 14:34 | 639224004883412586 |
|
536 ms | 121.40.25.167 |
| 46 | 2026-08-15 14:18 | 639223995612880615 |
|
277 ms | 121.40.25.167 |
| 45 | 2026-08-15 14:03 | 639223986271830789 |
|
1503 ms | 121.40.25.167 |
| 44 | 2026-08-15 13:47 | 639223977005780949 |
|
541 ms | 121.40.25.167 |
| 43 | 2026-08-15 13:32 | 639223967653137793 |
|
923 ms | 121.40.25.167 |
| 42 | 2026-08-15 13:16 | 639223958286010799 |
|
532 ms | 121.40.25.167 |
| 41 | 2026-08-15 13:00 | 639223948936108345 |
|
520 ms | 121.40.25.167 |
| 40 | 2026-08-15 12:45 | 639223939673066880 |
|
973 ms | 121.40.25.167 |
| 39 | 2026-08-15 11:53 | 639223908317760530 |
|
896 ms | 121.40.25.167 |
| 38 | 2026-08-15 11:37 | 639223898992594258 |
|
450 ms | 121.40.25.167 |
| 37 | 2026-08-15 11:22 | 639223889761312823 |
|
497 ms | 121.40.25.167 |
| 36 | 2026-08-15 11:06 | 639223880359273507 |
|
987 ms | 121.40.25.167 |
| 35 | 2026-08-15 10:51 | 639223870920466808 |
|
239 ms | 121.40.25.167 |
| 34 | 2026-08-15 10:35 | 639223861579762179 |
|
380 ms | 121.40.25.167 |
| 33 | 2026-08-15 10:19 | 639223852238616009 |
|
1040 ms | 121.40.25.167 |
| 32 | 2026-08-15 10:04 | 639223843019815620 |
|
938 ms | 121.40.25.167 |
| 31 | 2026-08-15 09:48 | 639223833669915012 |
|
543 ms | 121.40.25.167 |
| 30 | 2026-08-15 09:33 | 639223824494613222 |
|
516 ms | 121.40.25.167 |
| 29 | 2026-08-15 09:17 | 639223815116325293 |
|
1013 ms | 121.40.25.167 |
| 28 | 2026-08-15 09:02 | 639223805493870221 |
|
514 ms | 121.40.25.167 |
| 27 | 2026-08-15 08:09 | 639223774218660438 |
|
985 ms | 121.40.25.167 |
| 26 | 2026-08-15 07:54 | 639223764663090372 |
|
268 ms | 121.40.25.167 |
| 25 | 2026-08-15 07:38 | 639223755338811400 |
|
875 ms | 121.40.25.167 |
| 24 | 2026-08-15 07:22 | 639223746019193268 |
|
551 ms | 121.40.25.167 |
| 23 | 2026-08-15 07:07 | 639223736658778104 |
|
774 ms | 121.40.25.167 |
| 22 | 2026-08-15 06:51 | 639223727330194499 |
|
930 ms | 121.40.25.167 |
| 21 | 2026-08-15 06:36 | 639223717848514742 |
|
274 ms | 121.40.25.167 |
| 20 | 2026-08-15 06:20 | 639223708284754056 |
|
490 ms | 121.40.25.167 |
| 19 | 2026-08-15 06:04 | 639223699061259933 |
|
274 ms | 121.40.25.167 |
| 18 | 2026-08-15 05:48 | 639223689592545140 |
|
532 ms | 121.40.25.167 |
| 17 | 2026-08-15 05:32 | 639223680143410810 |
|
509 ms | 121.40.25.167 |
| 16 | 2026-08-15 05:17 | 639223670514517104 |
|
264 ms | 121.40.25.167 |
| 15 | 2026-08-15 04:24 | 639223638855054294 |
|
508 ms | 121.40.25.167 |
| 14 | 2026-08-15 04:08 | 639223629623335972 |
|
479 ms | 121.40.25.167 |
| 13 | 2026-08-15 03:53 | 639223620390189495 |
|
992 ms | 121.40.25.167 |
| 12 | 2026-08-15 03:37 | 639223610916950440 |
|
461 ms | 121.40.25.167 |
| 11 | 2026-08-15 03:22 | 639223601597759168 |
|
500 ms | 121.40.25.167 |
| 10 | 2026-08-15 03:06 | 639223592342172093 |
|
516 ms | 121.40.25.167 |
| 9 | 2026-08-15 02:51 | 639223583324121497 |
|
792 ms | 121.40.25.167 |
| 8 | 2026-08-15 02:36 | 639223574086714218 |
|
259 ms | 121.40.25.167 |
| 7 | 2026-08-15 02:20 | 639223564698424889 |
|
487 ms | 121.40.25.167 |
| 6 | 2026-08-15 02:05 | 639223555408664206 |
|
503 ms | 121.40.25.167 |
| 5 | 2026-08-15 01:49 | 639223546000912416 |
|
498 ms | 121.40.25.167 |
| 4 | 2026-08-15 01:33 | 639223536550774847 |
|
489 ms | 121.40.25.167 |
| 3 | 2026-08-15 00:41 | 639223505017205611 |
|
494 ms | 121.40.25.167 |
| 2 | 2026-08-15 00:25 | 639223495784410207 |
|
492 ms | 121.40.25.167 |
| 1 | 2026-08-15 00:10 | 639223486524583054 |
|
492 ms | 121.40.25.167 |