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 2026-08-25. For this date, NameServerHistory found 61 DNS check records, 61 successful responses, 0 failed responses, and 523 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
61
Historical checks stored for this nameserver on selected date
Average Latency
523 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 20:50
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
61
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 2026-08-25 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 |
|---|---|---|---|---|---|
| 61 | 2026-08-25 20:50 | 639232869755024069 |
|
532 ms | 121.40.25.167 |
| 60 | 2026-08-25 20:33 | 639232859355940346 |
|
235 ms | 121.40.25.167 |
| 59 | 2026-08-25 20:16 | 639232848992244953 |
|
517 ms | 121.40.25.167 |
| 58 | 2026-08-25 19:58 | 639232838596478500 |
|
522 ms | 121.40.25.167 |
| 57 | 2026-08-25 19:41 | 639232828175327683 |
|
240 ms | 121.40.25.167 |
| 56 | 2026-08-25 19:24 | 639232817798330473 |
|
524 ms | 121.40.25.167 |
| 55 | 2026-08-25 18:29 | 639232785462407552 |
|
250 ms | 121.40.25.167 |
| 54 | 2026-08-25 18:13 | 639232775177487032 |
|
537 ms | 121.40.25.167 |
| 53 | 2026-08-25 17:55 | 639232764991087115 |
|
558 ms | 121.40.25.167 |
| 52 | 2026-08-25 17:39 | 639232754842971478 |
|
532 ms | 121.40.25.167 |
| 51 | 2026-08-25 17:21 | 639232744455159107 |
|
551 ms | 121.40.25.167 |
| 50 | 2026-08-25 17:04 | 639232734145178231 |
|
248 ms | 121.40.25.167 |
| 49 | 2026-08-25 16:47 | 639232723827874402 |
|
489 ms | 121.40.25.167 |
| 48 | 2026-08-25 16:30 | 639232713533011892 |
|
254 ms | 121.40.25.167 |
| 47 | 2026-08-25 16:13 | 639232703065318207 |
|
558 ms | 121.40.25.167 |
| 46 | 2026-08-25 15:55 | 639232692629559470 |
|
250 ms | 121.40.25.167 |
| 45 | 2026-08-25 15:38 | 639232682238836475 |
|
553 ms | 121.40.25.167 |
| 44 | 2026-08-25 15:20 | 639232671787004306 |
|
975 ms | 121.40.25.167 |
| 43 | 2026-08-25 14:26 | 639232638994329666 |
|
1500 ms | 121.40.25.167 |
| 42 | 2026-08-25 14:08 | 639232628614783237 |
|
879 ms | 121.40.25.167 |
| 41 | 2026-08-25 13:51 | 639232618360728578 |
|
498 ms | 121.40.25.167 |
| 40 | 2026-08-25 13:34 | 639232608016476376 |
|
546 ms | 121.40.25.167 |
| 39 | 2026-08-25 13:17 | 639232597643611557 |
|
2254 ms | 121.40.25.167 |
| 38 | 2026-08-25 12:59 | 639232587225721862 |
|
476 ms | 121.40.25.167 |
| 37 | 2026-08-25 12:42 | 639232576780683689 |
|
527 ms | 121.40.25.167 |
| 36 | 2026-08-25 12:25 | 639232566381512620 |
|
261 ms | 121.40.25.167 |
| 35 | 2026-08-25 12:07 | 639232556111768563 |
|
295 ms | 121.40.25.167 |
| 34 | 2026-08-25 11:50 | 639232545839529039 |
|
247 ms | 121.40.25.167 |
| 33 | 2026-08-25 11:33 | 639232535349285207 |
|
513 ms | 121.40.25.167 |
| 32 | 2026-08-25 11:16 | 639232524938080723 |
|
563 ms | 121.40.25.167 |
| 31 | 2026-08-25 10:22 | 639232492740373468 |
|
247 ms | 121.40.25.167 |
| 30 | 2026-08-25 10:05 | 639232482235303141 |
|
274 ms | 121.40.25.167 |
| 29 | 2026-08-25 09:47 | 639232471861770303 |
|
536 ms | 121.40.25.167 |
| 28 | 2026-08-25 09:30 | 639232461630217327 |
|
545 ms | 121.40.25.167 |
| 27 | 2026-08-25 09:13 | 639232451282965990 |
|
545 ms | 121.40.25.167 |
| 26 | 2026-08-25 08:55 | 639232440814614938 |
|
779 ms | 121.40.25.167 |
| 25 | 2026-08-25 08:38 | 639232430410720425 |
|
250 ms | 121.40.25.167 |
| 24 | 2026-08-25 08:21 | 639232420003096185 |
|
501 ms | 121.40.25.167 |
| 23 | 2026-08-25 08:03 | 639232409467287444 |
|
270 ms | 121.40.25.167 |
| 22 | 2026-08-25 07:46 | 639232399077195997 |
|
286 ms | 121.40.25.167 |
| 21 | 2026-08-25 07:28 | 639232388731528337 |
|
504 ms | 121.40.25.167 |
| 20 | 2026-08-25 07:11 | 639232378288598612 |
|
512 ms | 121.40.25.167 |
| 19 | 2026-08-25 06:17 | 639232346196373643 |
|
269 ms | 121.40.25.167 |
| 18 | 2026-08-25 06:01 | 639232336112370741 |
|
572 ms | 121.40.25.167 |
| 17 | 2026-08-25 05:44 | 639232326146508970 |
|
487 ms | 121.40.25.167 |
| 16 | 2026-08-25 05:27 | 639232316189381720 |
|
1177 ms | 121.40.25.167 |
| 15 | 2026-08-25 05:11 | 639232306217998913 |
|
251 ms | 121.40.25.167 |
| 14 | 2026-08-25 04:54 | 639232296255744174 |
|
476 ms | 121.40.25.167 |
| 13 | 2026-08-25 04:37 | 639232286095760789 |
|
503 ms | 121.40.25.167 |
| 12 | 2026-08-25 04:20 | 639232276086186273 |
|
502 ms | 121.40.25.167 |
| 11 | 2026-08-25 04:04 | 639232265900986425 |
|
486 ms | 121.40.25.167 |
| 10 | 2026-08-25 03:47 | 639232255723518075 |
|
518 ms | 121.40.25.167 |
| 9 | 2026-08-25 03:30 | 639232245484452890 |
|
995 ms | 121.40.25.167 |
| 8 | 2026-08-25 03:13 | 639232235157175331 |
|
954 ms | 121.40.25.167 |
| 7 | 2026-08-25 02:19 | 639232203197189095 |
|
555 ms | 121.40.25.167 |
| 6 | 2026-08-25 02:02 | 639232192844564298 |
|
234 ms | 121.40.25.167 |
| 5 | 2026-08-25 01:45 | 639232182496008942 |
|
550 ms | 121.40.25.167 |
| 4 | 2026-08-25 01:28 | 639232172197053132 |
|
235 ms | 121.40.25.167 |
| 3 | 2026-08-25 00:34 | 639232140250307418 |
|
492 ms | 121.40.25.167 |
| 2 | 2026-08-25 00:17 | 639232129927860324 |
|
233 ms | 121.40.25.167 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
268 ms | 121.40.25.167 |