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 2026-08-13. For this date, NameServerHistory found 72 DNS check records, 72 successful responses, 0 failed responses, and 498 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
72
Historical checks stored for this nameserver on selected date
Average Latency
498 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-13 23:47
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
72
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 2026-08-13 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 |
|---|---|---|---|---|---|
| 72 | 2026-08-13 23:47 | 639222608688333012 |
|
405 ms | 121.40.25.167 |
| 71 | 2026-08-13 23:30 | 639222598741756356 |
|
460 ms | 121.40.25.167 |
| 70 | 2026-08-13 23:14 | 639222588615244093 |
|
464 ms | 121.40.25.167 |
| 69 | 2026-08-13 22:20 | 639222556495289724 |
|
465 ms | 121.40.25.167 |
| 68 | 2026-08-13 22:03 | 639222546477917698 |
|
469 ms | 121.40.25.167 |
| 67 | 2026-08-13 21:46 | 639222536257653790 |
|
468 ms | 121.40.25.167 |
| 66 | 2026-08-13 21:29 | 639222525833084485 |
|
240 ms | 121.40.25.167 |
| 65 | 2026-08-13 21:12 | 639222515446085004 |
|
274 ms | 121.40.25.167 |
| 64 | 2026-08-13 20:54 | 639222505166766781 |
|
229 ms | 121.40.25.167 |
| 63 | 2026-08-13 20:37 | 639222494930541001 |
|
538 ms | 121.40.25.167 |
| 62 | 2026-08-13 20:20 | 639222484469216890 |
|
238 ms | 121.40.25.167 |
| 61 | 2026-08-13 20:03 | 639222474270039940 |
|
244 ms | 121.40.25.167 |
| 60 | 2026-08-13 19:46 | 639222464005587385 |
|
497 ms | 121.40.25.167 |
| 59 | 2026-08-13 19:28 | 639222453485975041 |
|
474 ms | 121.40.25.167 |
| 58 | 2026-08-13 19:11 | 639222442984828770 |
|
237 ms | 121.40.25.167 |
| 57 | 2026-08-13 18:18 | 639222410191353397 |
|
464 ms | 121.40.25.167 |
| 56 | 2026-08-13 18:00 | 639222399952628376 |
|
235 ms | 121.40.25.167 |
| 55 | 2026-08-13 17:43 | 639222389608608647 |
|
1006 ms | 121.40.25.167 |
| 54 | 2026-08-13 17:26 | 639222379604012481 |
|
486 ms | 121.40.25.167 |
| 53 | 2026-08-13 17:09 | 639222369372672858 |
|
543 ms | 121.40.25.167 |
| 52 | 2026-08-13 16:52 | 639222359096909298 |
|
500 ms | 121.40.25.167 |
| 51 | 2026-08-13 16:35 | 639222348814301655 |
|
274 ms | 121.40.25.167 |
| 50 | 2026-08-13 16:18 | 639222338608331104 |
|
1009 ms | 121.40.25.167 |
| 49 | 2026-08-13 16:01 | 639222328204609760 |
|
1000 ms | 121.40.25.167 |
| 48 | 2026-08-13 15:44 | 639222317859759909 |
|
477 ms | 121.40.25.167 |
| 47 | 2026-08-13 15:26 | 639222307560137918 |
|
1502 ms | 121.40.25.167 |
| 46 | 2026-08-13 15:09 | 639222297274357149 |
|
496 ms | 121.40.25.167 |
| 45 | 2026-08-13 14:15 | 639222265004477827 |
|
482 ms | 121.40.25.167 |
| 44 | 2026-08-13 13:59 | 639222255176583683 |
|
987 ms | 121.40.25.167 |
| 43 | 2026-08-13 13:42 | 639222245340146131 |
|
505 ms | 121.40.25.167 |
| 42 | 2026-08-13 13:26 | 639222235662219956 |
|
496 ms | 121.40.25.167 |
| 41 | 2026-08-13 13:10 | 639222225817223284 |
|
899 ms | 121.40.25.167 |
| 40 | 2026-08-13 12:53 | 639222216341869648 |
|
529 ms | 121.40.25.167 |
| 39 | 2026-08-13 12:37 | 639222206848442189 |
|
521 ms | 121.40.25.167 |
| 38 | 2026-08-13 12:22 | 639222197538963225 |
|
526 ms | 121.40.25.167 |
| 37 | 2026-08-13 12:06 | 639222188113685569 |
|
248 ms | 121.40.25.167 |
| 36 | 2026-08-13 11:50 | 639222178880138458 |
|
234 ms | 121.40.25.167 |
| 35 | 2026-08-13 11:35 | 639222169343013317 |
|
494 ms | 121.40.25.167 |
| 34 | 2026-08-13 11:19 | 639222159910600596 |
|
502 ms | 121.40.25.167 |
| 33 | 2026-08-13 10:27 | 639222128676274866 |
|
598 ms | 121.40.25.167 |
| 32 | 2026-08-13 10:11 | 639222119169781983 |
|
263 ms | 121.40.25.167 |
| 31 | 2026-08-13 09:56 | 639222109996148889 |
|
243 ms | 121.40.25.167 |
| 30 | 2026-08-13 09:40 | 639222100791323799 |
|
526 ms | 121.40.25.167 |
| 29 | 2026-08-13 09:25 | 639222091647893142 |
|
986 ms | 121.40.25.167 |
| 28 | 2026-08-13 09:10 | 639222082524717649 |
|
568 ms | 121.40.25.167 |
| 27 | 2026-08-13 08:55 | 639222073378630456 |
|
1476 ms | 121.40.25.167 |
| 26 | 2026-08-13 08:40 | 639222064537306701 |
|
232 ms | 121.40.25.167 |
| 25 | 2026-08-13 08:25 | 639222055409471864 |
|
475 ms | 121.40.25.167 |
| 24 | 2026-08-13 08:10 | 639222046117152411 |
|
481 ms | 121.40.25.167 |
| 23 | 2026-08-13 07:54 | 639222036915107067 |
|
505 ms | 121.40.25.167 |
| 22 | 2026-08-13 07:39 | 639222027654889141 |
|
253 ms | 121.40.25.167 |
| 21 | 2026-08-13 06:47 | 639221996824612035 |
|
491 ms | 121.40.25.167 |
| 20 | 2026-08-13 06:32 | 639221987863418113 |
|
241 ms | 121.40.25.167 |
| 19 | 2026-08-13 06:17 | 639221979006823112 |
|
285 ms | 121.40.25.167 |
| 18 | 2026-08-13 06:02 | 639221970068466615 |
|
740 ms | 121.40.25.167 |
| 17 | 2026-08-13 05:47 | 639221961001585139 |
|
495 ms | 121.40.25.167 |
| 16 | 2026-08-13 05:32 | 639221952104046397 |
|
362 ms | 121.40.25.167 |
| 15 | 2026-08-13 05:18 | 639221943247694484 |
|
569 ms | 121.40.25.167 |
| 14 | 2026-08-13 05:03 | 639221934603388241 |
|
487 ms | 121.40.25.167 |
| 13 | 2026-08-13 04:48 | 639221925729273358 |
|
252 ms | 121.40.25.167 |
| 12 | 2026-08-13 04:34 | 639221916777813401 |
|
502 ms | 121.40.25.167 |
| 11 | 2026-08-13 04:18 | 639221907816913910 |
|
487 ms | 121.40.25.167 |
| 10 | 2026-08-13 04:03 | 639221898639694322 |
|
803 ms | 121.40.25.167 |
| 9 | 2026-08-13 03:13 | 639221868257567489 |
|
239 ms | 121.40.25.167 |
| 8 | 2026-08-13 02:58 | 639221859270235608 |
|
462 ms | 121.40.25.167 |
| 7 | 2026-08-13 02:43 | 639221850184464515 |
|
472 ms | 121.40.25.167 |
| 6 | 2026-08-13 02:27 | 639221841141973425 |
|
485 ms | 121.40.25.167 |
| 5 | 2026-08-13 01:36 | 639221810548753083 |
|
206 ms | 121.40.25.167 |
| 4 | 2026-08-13 01:22 | 639221801656796262 |
|
476 ms | 121.40.25.167 |
| 3 | 2026-08-13 01:07 | 639221792658715334 |
|
501 ms | 121.40.25.167 |
| 2 | 2026-08-13 00:51 | 639221783571379176 |
|
248 ms | 121.40.25.167 |
| 1 | 2026-08-13 00:00 | 639221753022017039 |
|
339 ms | 121.40.25.167 |