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 2026-08-18. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 453 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
453 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-18 23:59
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 2026-08-18 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 | 2026-08-18 23:59 | 639226935204800669 |
|
479 ms | 121.40.25.167 |
| 75 | 2026-08-18 23:42 | 639226925298919497 |
|
476 ms | 121.40.25.167 |
| 74 | 2026-08-18 23:26 | 639226915487885053 |
|
477 ms | 121.40.25.167 |
| 73 | 2026-08-18 23:09 | 639226905465760034 |
|
235 ms | 121.40.25.167 |
| 72 | 2026-08-18 22:53 | 639226895378104692 |
|
484 ms | 121.40.25.167 |
| 71 | 2026-08-18 21:59 | 639226863374232622 |
|
233 ms | 121.40.25.167 |
| 70 | 2026-08-18 21:43 | 639226853698516058 |
|
335 ms | 121.40.25.167 |
| 69 | 2026-08-18 21:26 | 639226843797360601 |
|
479 ms | 121.40.25.167 |
| 68 | 2026-08-18 21:10 | 639226834046588155 |
|
238 ms | 121.40.25.167 |
| 67 | 2026-08-18 20:54 | 639226824234488533 |
|
239 ms | 121.40.25.167 |
| 66 | 2026-08-18 20:37 | 639226814549928621 |
|
459 ms | 121.40.25.167 |
| 65 | 2026-08-18 20:21 | 639226804721432353 |
|
250 ms | 121.40.25.167 |
| 64 | 2026-08-18 20:05 | 639226795048828184 |
|
238 ms | 121.40.25.167 |
| 63 | 2026-08-18 19:49 | 639226785202482420 |
|
226 ms | 121.40.25.167 |
| 62 | 2026-08-18 19:32 | 639226775309362607 |
|
465 ms | 121.40.25.167 |
| 61 | 2026-08-18 19:16 | 639226765406586155 |
|
236 ms | 121.40.25.167 |
| 60 | 2026-08-18 18:59 | 639226755437790519 |
|
237 ms | 121.40.25.167 |
| 59 | 2026-08-18 18:06 | 639226723856194457 |
|
498 ms | 121.40.25.167 |
| 58 | 2026-08-18 17:50 | 639226714050583422 |
|
502 ms | 121.40.25.167 |
| 57 | 2026-08-18 17:34 | 639226704236499724 |
|
285 ms | 121.40.25.167 |
| 56 | 2026-08-18 17:17 | 639226694184520163 |
|
493 ms | 121.40.25.167 |
| 55 | 2026-08-18 17:00 | 639226684161203477 |
|
278 ms | 121.40.25.167 |
| 54 | 2026-08-18 16:44 | 639226674305430109 |
|
240 ms | 121.40.25.167 |
| 53 | 2026-08-18 16:27 | 639226664489607984 |
|
508 ms | 121.40.25.167 |
| 52 | 2026-08-18 16:11 | 639226654533111667 |
|
559 ms | 121.40.25.167 |
| 51 | 2026-08-18 15:54 | 639226644778594725 |
|
239 ms | 121.40.25.167 |
| 50 | 2026-08-18 15:38 | 639226634901553621 |
|
268 ms | 121.40.25.167 |
| 49 | 2026-08-18 15:22 | 639226624921864967 |
|
497 ms | 121.40.25.167 |
| 48 | 2026-08-18 15:05 | 639226614939419403 |
|
295 ms | 121.40.25.167 |
| 47 | 2026-08-18 14:12 | 639226583021074771 |
|
486 ms | 121.40.25.167 |
| 46 | 2026-08-18 13:55 | 639226573279933585 |
|
508 ms | 121.40.25.167 |
| 45 | 2026-08-18 13:39 | 639226563494036301 |
|
494 ms | 121.40.25.167 |
| 44 | 2026-08-18 13:23 | 639226553708216256 |
|
497 ms | 121.40.25.167 |
| 43 | 2026-08-18 13:06 | 639226544003734815 |
|
780 ms | 121.40.25.167 |
| 42 | 2026-08-18 12:50 | 639226534105733155 |
|
814 ms | 121.40.25.167 |
| 41 | 2026-08-18 12:34 | 639226524298118898 |
|
493 ms | 121.40.25.167 |
| 40 | 2026-08-18 12:17 | 639226514525195335 |
|
230 ms | 121.40.25.167 |
| 39 | 2026-08-18 12:01 | 639226504703635320 |
|
261 ms | 121.40.25.167 |
| 38 | 2026-08-18 11:45 | 639226494737271720 |
|
506 ms | 121.40.25.167 |
| 37 | 2026-08-18 11:28 | 639226485005027236 |
|
475 ms | 121.40.25.167 |
| 36 | 2026-08-18 11:12 | 639226475133236105 |
|
520 ms | 121.40.25.167 |
| 35 | 2026-08-18 10:18 | 639226442975077052 |
|
508 ms | 121.40.25.167 |
| 34 | 2026-08-18 10:02 | 639226433317932039 |
|
1507 ms | 121.40.25.167 |
| 33 | 2026-08-18 09:46 | 639226423688431096 |
|
993 ms | 121.40.25.167 |
| 32 | 2026-08-18 09:30 | 639226413998250045 |
|
478 ms | 121.40.25.167 |
| 31 | 2026-08-18 09:13 | 639226404284554875 |
|
324 ms | 121.40.25.167 |
| 30 | 2026-08-18 08:57 | 639226394637043309 |
|
246 ms | 121.40.25.167 |
| 29 | 2026-08-18 08:41 | 639226385052447582 |
|
546 ms | 121.40.25.167 |
| 28 | 2026-08-18 08:25 | 639226375506189603 |
|
1003 ms | 121.40.25.167 |
| 27 | 2026-08-18 08:09 | 639226365690646426 |
|
553 ms | 121.40.25.167 |
| 26 | 2026-08-18 07:53 | 639226355771007701 |
|
506 ms | 121.40.25.167 |
| 25 | 2026-08-18 07:36 | 639226345946269369 |
|
503 ms | 121.40.25.167 |
| 24 | 2026-08-18 07:20 | 639226336241601848 |
|
490 ms | 121.40.25.167 |
| 23 | 2026-08-18 06:28 | 639226304950675290 |
|
1550 ms | 121.40.25.167 |
| 22 | 2026-08-18 06:12 | 639226295324754616 |
|
258 ms | 121.40.25.167 |
| 21 | 2026-08-18 05:56 | 639226285824640601 |
|
254 ms | 121.40.25.167 |
| 20 | 2026-08-18 05:40 | 639226276321223917 |
|
239 ms | 121.40.25.167 |
| 19 | 2026-08-18 05:24 | 639226266800200046 |
|
483 ms | 121.40.25.167 |
| 18 | 2026-08-18 05:08 | 639226256958066164 |
|
248 ms | 121.40.25.167 |
| 17 | 2026-08-18 04:52 | 639226247432364597 |
|
484 ms | 121.40.25.167 |
| 16 | 2026-08-18 04:36 | 639226237703388552 |
|
231 ms | 121.40.25.167 |
| 15 | 2026-08-18 04:20 | 639226227937569589 |
|
240 ms | 121.40.25.167 |
| 14 | 2026-08-18 04:04 | 639226218052465471 |
|
254 ms | 121.40.25.167 |
| 13 | 2026-08-18 03:47 | 639226208429623997 |
|
487 ms | 121.40.25.167 |
| 12 | 2026-08-18 03:31 | 639226198800675295 |
|
981 ms | 121.40.25.167 |
| 11 | 2026-08-18 02:39 | 639226167722042574 |
|
211 ms | 121.40.25.167 |
| 10 | 2026-08-18 02:23 | 639226158277924383 |
|
256 ms | 121.40.25.167 |
| 9 | 2026-08-18 02:08 | 639226148757810592 |
|
468 ms | 121.40.25.167 |
| 8 | 2026-08-18 01:52 | 639226139348611045 |
|
500 ms | 121.40.25.167 |
| 7 | 2026-08-18 01:36 | 639226129823462907 |
|
484 ms | 121.40.25.167 |
| 6 | 2026-08-18 01:20 | 639226120218260005 |
|
463 ms | 121.40.25.167 |
| 5 | 2026-08-18 01:04 | 639226110875503904 |
|
477 ms | 121.40.25.167 |
| 4 | 2026-08-18 00:48 | 639226101376311912 |
|
475 ms | 121.40.25.167 |
| 3 | 2026-08-18 00:33 | 639226091924943492 |
|
481 ms | 121.40.25.167 |
| 2 | 2026-08-18 00:17 | 639226082133158124 |
|
474 ms | 121.40.25.167 |
| 1 | 2026-08-18 00:00 | 639226072268080268 |
|
236 ms | 121.40.25.167 |