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 2026-08-23. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 482 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
482 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-23 23:58
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 2026-08-23 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 | 2026-08-23 23:58 | 639231254406598736 |
|
481 ms | 121.40.25.167 |
| 75 | 2026-08-23 23:41 | 639231244697865594 |
|
250 ms | 121.40.25.167 |
| 74 | 2026-08-23 23:25 | 639231234893504693 |
|
522 ms | 121.40.25.167 |
| 73 | 2026-08-23 23:08 | 639231225024549139 |
|
257 ms | 121.40.25.167 |
| 72 | 2026-08-23 22:52 | 639231214931957622 |
|
471 ms | 121.40.25.167 |
| 71 | 2026-08-23 22:35 | 639231204962010549 |
|
254 ms | 121.40.25.167 |
| 70 | 2026-08-23 22:19 | 639231195170138463 |
|
264 ms | 121.40.25.167 |
| 69 | 2026-08-23 22:02 | 639231185235020577 |
|
523 ms | 121.40.25.167 |
| 68 | 2026-08-23 21:46 | 639231175558690075 |
|
516 ms | 121.40.25.167 |
| 67 | 2026-08-23 21:29 | 639231165610444012 |
|
233 ms | 121.40.25.167 |
| 66 | 2026-08-23 20:37 | 639231133806425363 |
|
250 ms | 121.40.25.167 |
| 65 | 2026-08-23 20:20 | 639231124203758023 |
|
459 ms | 121.40.25.167 |
| 64 | 2026-08-23 20:04 | 639231114428262706 |
|
495 ms | 121.40.25.167 |
| 63 | 2026-08-23 19:48 | 639231104662480065 |
|
501 ms | 121.40.25.167 |
| 62 | 2026-08-23 19:32 | 639231094840372018 |
|
512 ms | 121.40.25.167 |
| 61 | 2026-08-23 19:15 | 639231085024583224 |
|
493 ms | 121.40.25.167 |
| 60 | 2026-08-23 18:59 | 639231075257417427 |
|
251 ms | 121.40.25.167 |
| 59 | 2026-08-23 18:43 | 639231065516009503 |
|
256 ms | 121.40.25.167 |
| 58 | 2026-08-23 18:26 | 639231055805348837 |
|
238 ms | 121.40.25.167 |
| 57 | 2026-08-23 18:10 | 639231045980373765 |
|
255 ms | 121.40.25.167 |
| 56 | 2026-08-23 17:54 | 639231035984577527 |
|
512 ms | 121.40.25.167 |
| 55 | 2026-08-23 17:37 | 639231025928115303 |
|
255 ms | 121.40.25.167 |
| 54 | 2026-08-23 16:44 | 639230994250157583 |
|
243 ms | 121.40.25.167 |
| 53 | 2026-08-23 16:28 | 639230984476411369 |
|
741 ms | 121.40.25.167 |
| 52 | 2026-08-23 16:11 | 639230974838373450 |
|
522 ms | 121.40.25.167 |
| 51 | 2026-08-23 15:55 | 639230965244277645 |
|
237 ms | 121.40.25.167 |
| 50 | 2026-08-23 15:39 | 639230955522101820 |
|
303 ms | 121.40.25.167 |
| 49 | 2026-08-23 15:23 | 639230945754521603 |
|
1062 ms | 121.40.25.167 |
| 48 | 2026-08-23 15:07 | 639230935852040504 |
|
516 ms | 121.40.25.167 |
| 47 | 2026-08-23 14:50 | 639230926222061048 |
|
496 ms | 121.40.25.167 |
| 46 | 2026-08-23 14:34 | 639230916449726907 |
|
1035 ms | 121.40.25.167 |
| 45 | 2026-08-23 14:18 | 639230906595053086 |
|
213 ms | 121.40.25.167 |
| 44 | 2026-08-23 14:01 | 639230896680429441 |
|
511 ms | 121.40.25.167 |
| 43 | 2026-08-23 13:45 | 639230886630210965 |
|
1069 ms | 121.40.25.167 |
| 42 | 2026-08-23 12:53 | 639230855430405719 |
|
300 ms | 121.40.25.167 |
| 41 | 2026-08-23 12:36 | 639230845707499136 |
|
1038 ms | 121.40.25.167 |
| 40 | 2026-08-23 12:20 | 639230836186805419 |
|
250 ms | 121.40.25.167 |
| 39 | 2026-08-23 12:04 | 639230826493828316 |
|
284 ms | 121.40.25.167 |
| 38 | 2026-08-23 11:48 | 639230816817882996 |
|
522 ms | 121.40.25.167 |
| 37 | 2026-08-23 11:32 | 639230806933854189 |
|
858 ms | 121.40.25.167 |
| 36 | 2026-08-23 11:15 | 639230797120243854 |
|
559 ms | 121.40.25.167 |
| 35 | 2026-08-23 10:59 | 639230787310272840 |
|
253 ms | 121.40.25.167 |
| 34 | 2026-08-23 10:43 | 639230777600173142 |
|
520 ms | 121.40.25.167 |
| 33 | 2026-08-23 10:26 | 639230767665024593 |
|
485 ms | 121.40.25.167 |
| 32 | 2026-08-23 10:10 | 639230757720962293 |
|
1040 ms | 121.40.25.167 |
| 31 | 2026-08-23 09:53 | 639230747722189784 |
|
255 ms | 121.40.25.167 |
| 30 | 2026-08-23 09:01 | 639230716313923480 |
|
497 ms | 121.40.25.167 |
| 29 | 2026-08-23 08:44 | 639230706813835990 |
|
247 ms | 121.40.25.167 |
| 28 | 2026-08-23 08:29 | 639230696871062203 |
|
1453 ms | 121.40.25.167 |
| 27 | 2026-08-23 08:12 | 639230687142781616 |
|
2258 ms | 121.40.25.167 |
| 26 | 2026-08-23 07:56 | 639230677432142227 |
|
545 ms | 121.40.25.167 |
| 25 | 2026-08-23 07:40 | 639230667686258061 |
|
242 ms | 121.40.25.167 |
| 24 | 2026-08-23 07:23 | 639230658039243685 |
|
257 ms | 121.40.25.167 |
| 23 | 2026-08-23 07:07 | 639230648468473803 |
|
563 ms | 121.40.25.167 |
| 22 | 2026-08-23 06:51 | 639230638829658294 |
|
7 ms | 121.40.25.167 |
| 21 | 2026-08-23 06:35 | 639230629247017617 |
|
484 ms | 121.40.25.167 |
| 20 | 2026-08-23 06:19 | 639230619625318239 |
|
280 ms | 121.40.25.167 |
| 19 | 2026-08-23 06:03 | 639230609697630264 |
|
763 ms | 121.40.25.167 |
| 18 | 2026-08-23 05:11 | 639230578570131864 |
|
1009 ms | 121.40.25.167 |
| 17 | 2026-08-23 04:55 | 639230568958963168 |
|
505 ms | 121.40.25.167 |
| 16 | 2026-08-23 04:39 | 639230559287611211 |
|
515 ms | 121.40.25.167 |
| 15 | 2026-08-23 04:23 | 639230549524312030 |
|
242 ms | 121.40.25.167 |
| 14 | 2026-08-23 04:07 | 639230539739801669 |
|
561 ms | 121.40.25.167 |
| 13 | 2026-08-23 03:50 | 639230530084069375 |
|
280 ms | 121.40.25.167 |
| 12 | 2026-08-23 03:34 | 639230520362691441 |
|
284 ms | 121.40.25.167 |
| 11 | 2026-08-23 03:18 | 639230510677194518 |
|
240 ms | 121.40.25.167 |
| 10 | 2026-08-23 03:02 | 639230501156002646 |
|
563 ms | 121.40.25.167 |
| 9 | 2026-08-23 02:46 | 639230491502198541 |
|
258 ms | 121.40.25.167 |
| 8 | 2026-08-23 02:30 | 639230481860318494 |
|
543 ms | 121.40.25.167 |
| 7 | 2026-08-23 02:13 | 639230471893008575 |
|
267 ms | 121.40.25.167 |
| 6 | 2026-08-23 01:20 | 639230440030877421 |
|
270 ms | 121.40.25.167 |
| 5 | 2026-08-23 01:04 | 639230430479725508 |
|
492 ms | 121.40.25.167 |
| 4 | 2026-08-23 00:48 | 639230420875160219 |
|
558 ms | 121.40.25.167 |
| 3 | 2026-08-23 00:32 | 639230411240692575 |
|
321 ms | 121.40.25.167 |
| 2 | 2026-08-23 00:16 | 639230401550806607 |
|
274 ms | 121.40.25.167 |
| 1 | 2026-08-23 00:00 | 639230391807229016 |
|
276 ms | 121.40.25.167 |