History for dns21.happymail.co.jp
Domain: happymail.co.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns21.happymail.co.jp
dns21.happymail.co.jp 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 2026-08-26. For this date, NameServerHistory found 37 DNS check records, 37 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 dns21.happymail.co.jp.
Records on Selected Date
37
Historical checks stored for this nameserver on selected date
Average Latency
574 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-26 12:15
All timestamps shown in UTC
Latest Resolved IP on Selected Date
210.161.27.185
Most recently resolved hosting IP on selected date
Successful Responses
37
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 dns21.happymail.co.jp
Showing DNS history for 2026-08-26 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 |
|---|---|---|---|---|---|
| 37 | 2026-08-26 12:15 | 639233424567558554 |
|
296 ms | 210.161.27.185 |
| 36 | 2026-08-26 11:58 | 639233414056832719 |
|
609 ms | 210.161.27.185 |
| 35 | 2026-08-26 11:40 | 639233403515141099 |
|
600 ms | 210.161.27.185 |
| 34 | 2026-08-26 10:45 | 639233370841350248 |
|
582 ms | 210.161.27.185 |
| 33 | 2026-08-26 10:28 | 639233360361507238 |
|
730 ms | 210.161.27.185 |
| 32 | 2026-08-26 10:11 | 639233350067824371 |
|
292 ms | 210.161.27.185 |
| 31 | 2026-08-26 09:54 | 639233339545274518 |
|
605 ms | 210.161.27.185 |
| 30 | 2026-08-26 09:36 | 639233329214918079 |
|
854 ms | 210.161.27.185 |
| 29 | 2026-08-26 09:19 | 639233318749762337 |
|
591 ms | 210.161.27.185 |
| 28 | 2026-08-26 09:01 | 639233308387917838 |
|
604 ms | 210.161.27.185 |
| 27 | 2026-08-26 08:44 | 639233297961740122 |
|
579 ms | 210.161.27.185 |
| 26 | 2026-08-26 08:27 | 639233287487159094 |
|
607 ms | 210.161.27.185 |
| 25 | 2026-08-26 08:09 | 639233276995531707 |
|
589 ms | 210.161.27.185 |
| 24 | 2026-08-26 07:52 | 639233266521568229 |
|
279 ms | 210.161.27.185 |
| 23 | 2026-08-26 07:34 | 639233256081047431 |
|
597 ms | 210.161.27.185 |
| 22 | 2026-08-26 06:40 | 639233223620132921 |
|
574 ms | 210.161.27.185 |
| 21 | 2026-08-26 06:23 | 639233213287814244 |
|
595 ms | 210.161.27.185 |
| 20 | 2026-08-26 06:06 | 639233202925983161 |
|
617 ms | 210.161.27.185 |
| 19 | 2026-08-26 05:48 | 639233192644780696 |
|
592 ms | 210.161.27.185 |
| 18 | 2026-08-26 05:31 | 639233182401183833 |
|
600 ms | 210.161.27.185 |
| 17 | 2026-08-26 05:14 | 639233172074181051 |
|
602 ms | 210.161.27.185 |
| 16 | 2026-08-26 04:57 | 639233161808421455 |
|
604 ms | 210.161.27.185 |
| 15 | 2026-08-26 04:40 | 639233151357344052 |
|
604 ms | 210.161.27.185 |
| 14 | 2026-08-26 04:22 | 639233141034116946 |
|
594 ms | 210.161.27.185 |
| 13 | 2026-08-26 04:05 | 639233130828334142 |
|
580 ms | 210.161.27.185 |
| 12 | 2026-08-26 03:48 | 639233120373450007 |
|
580 ms | 210.161.27.185 |
| 11 | 2026-08-26 03:31 | 639233110066216193 |
|
307 ms | 210.161.27.185 |
| 10 | 2026-08-26 02:38 | 639233078065410564 |
|
632 ms | 210.161.27.185 |
| 9 | 2026-08-26 02:20 | 639233067787457832 |
|
587 ms | 210.161.27.185 |
| 8 | 2026-08-26 02:03 | 639233057501801162 |
|
625 ms | 210.161.27.185 |
| 7 | 2026-08-26 01:46 | 639233047089431703 |
|
607 ms | 210.161.27.185 |
| 6 | 2026-08-26 01:29 | 639233036754790688 |
|
621 ms | 210.161.27.185 |
| 5 | 2026-08-26 01:12 | 639233026412602472 |
|
570 ms | 210.161.27.185 |
| 4 | 2026-08-26 00:54 | 639233016064066127 |
|
835 ms | 210.161.27.185 |
| 3 | 2026-08-26 00:37 | 639233005922655772 |
|
582 ms | 210.161.27.185 |
| 2 | 2026-08-26 00:20 | 639232995672256907 |
|
305 ms | 210.161.27.185 |
| 1 | 2026-08-26 00:03 | 639232985300872416 |
|
601 ms | 210.161.27.185 |