History for ex2.koizumi.co.jp
Domain: koizumi.co.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for ex2.koizumi.co.jp
ex2.koizumi.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 2026-08-24. For this date, NameServerHistory found 54 DNS check records, 54 successful responses, 0 failed responses, and 2581 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 ex2.koizumi.co.jp.
Records on Selected Date
54
Historical checks stored for this nameserver on selected date
Average Latency
2581 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-24 22:51
All timestamps shown in UTC
Latest Resolved IP on Selected Date
101.143.231.4
Most recently resolved hosting IP on selected date
Successful Responses
54
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 ex2.koizumi.co.jp
Showing DNS history for 2026-08-24 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 |
|---|---|---|---|---|---|
| 54 | 2026-08-24 22:51 | 639232077430823987 |
|
2011 ms | 101.143.231.4 |
| 53 | 2026-08-24 22:35 | 639232067340513033 |
|
4257 ms | 101.143.231.4 |
| 52 | 2026-08-24 22:18 | 639232057157944387 |
|
2272 ms | 101.143.231.4 |
| 51 | 2026-08-24 22:01 | 639232046895282144 |
|
4264 ms | 101.143.231.4 |
| 50 | 2026-08-24 21:07 | 639232014356623395 |
|
2264 ms | 101.143.231.4 |
| 49 | 2026-08-24 20:50 | 639232004177831322 |
|
2253 ms | 101.143.231.4 |
| 48 | 2026-08-24 20:32 | 639231993997863976 |
|
2261 ms | 101.143.231.4 |
| 47 | 2026-08-24 20:16 | 639231983967363696 |
|
2254 ms | 101.143.231.4 |
| 46 | 2026-08-24 19:23 | 639231952257842845 |
|
2306 ms | 101.143.231.4 |
| 45 | 2026-08-24 19:06 | 639231942277816756 |
|
2258 ms | 101.143.231.4 |
| 44 | 2026-08-24 18:49 | 639231932094180724 |
|
2664 ms | 101.143.231.4 |
| 43 | 2026-08-24 18:32 | 639231922041034838 |
|
2263 ms | 101.143.231.4 |
| 42 | 2026-08-24 17:39 | 639231890488117536 |
|
2538 ms | 101.143.231.4 |
| 41 | 2026-08-24 17:23 | 639231880574255543 |
|
2278 ms | 101.143.231.4 |
| 40 | 2026-08-24 17:06 | 639231870418029045 |
|
2268 ms | 101.143.231.4 |
| 39 | 2026-08-24 16:50 | 639231860258429562 |
|
4258 ms | 101.143.231.4 |
| 38 | 2026-08-24 15:56 | 639231828211839931 |
|
2252 ms | 101.143.231.4 |
| 37 | 2026-08-24 15:39 | 639231818080917481 |
|
2262 ms | 101.143.231.4 |
| 36 | 2026-08-24 15:22 | 639231807961539652 |
|
2274 ms | 101.143.231.4 |
| 35 | 2026-08-24 15:05 | 639231797631669865 |
|
2280 ms | 101.143.231.4 |
| 34 | 2026-08-24 14:12 | 639231765923559455 |
|
2253 ms | 101.143.231.4 |
| 33 | 2026-08-24 13:55 | 639231755868832964 |
|
2268 ms | 101.143.231.4 |
| 32 | 2026-08-24 13:39 | 639231745628278877 |
|
4257 ms | 101.143.231.4 |
| 31 | 2026-08-24 13:21 | 639231735407682062 |
|
2275 ms | 101.143.231.4 |
| 30 | 2026-08-24 12:28 | 639231703815441688 |
|
2010 ms | 101.143.231.4 |
| 29 | 2026-08-24 12:12 | 639231693747052549 |
|
2280 ms | 101.143.231.4 |
| 28 | 2026-08-24 11:55 | 639231683712487276 |
|
2557 ms | 101.143.231.4 |
| 27 | 2026-08-24 11:38 | 639231673513573868 |
|
2010 ms | 101.143.231.4 |
| 26 | 2026-08-24 10:45 | 639231641791249939 |
|
2258 ms | 101.143.231.4 |
| 25 | 2026-08-24 10:29 | 639231631866211033 |
|
2256 ms | 101.143.231.4 |
| 24 | 2026-08-24 10:12 | 639231621644955316 |
|
2287 ms | 101.143.231.4 |
| 23 | 2026-08-24 09:55 | 639231611478799259 |
|
4253 ms | 101.143.231.4 |
| 22 | 2026-08-24 09:02 | 639231579923718211 |
|
2263 ms | 101.143.231.4 |
| 21 | 2026-08-24 08:45 | 639231569810702936 |
|
2279 ms | 101.143.231.4 |
| 20 | 2026-08-24 08:28 | 639231559762411619 |
|
2572 ms | 101.143.231.4 |
| 19 | 2026-08-24 08:12 | 639231549663595407 |
|
2269 ms | 101.143.231.4 |
| 18 | 2026-08-24 07:19 | 639231518076817246 |
|
2315 ms | 101.143.231.4 |
| 17 | 2026-08-24 07:02 | 639231508078650885 |
|
2278 ms | 101.143.231.4 |
| 16 | 2026-08-24 06:46 | 639231498210697093 |
|
2259 ms | 101.143.231.4 |
| 15 | 2026-08-24 06:29 | 639231488109699360 |
|
2261 ms | 101.143.231.4 |
| 14 | 2026-08-24 05:37 | 639231456772510692 |
|
4264 ms | 101.143.231.4 |
| 13 | 2026-08-24 05:20 | 639231447084631185 |
|
2283 ms | 101.143.231.4 |
| 12 | 2026-08-24 05:04 | 639231437208519473 |
|
4252 ms | 101.143.231.4 |
| 11 | 2026-08-24 04:48 | 639231427209627490 |
|
2268 ms | 101.143.231.4 |
| 10 | 2026-08-24 03:54 | 639231395791246644 |
|
2254 ms | 101.143.231.4 |
| 9 | 2026-08-24 03:39 | 639231386075551458 |
|
2258 ms | 101.143.231.4 |
| 8 | 2026-08-24 03:22 | 639231376208713791 |
|
2264 ms | 101.143.231.4 |
| 7 | 2026-08-24 03:06 | 639231366170589276 |
|
2262 ms | 101.143.231.4 |
| 6 | 2026-08-24 02:13 | 639231334732159368 |
|
2756 ms | 101.143.231.4 |
| 5 | 2026-08-24 01:57 | 639231325035670078 |
|
2254 ms | 101.143.231.4 |
| 4 | 2026-08-24 01:41 | 639231315132253837 |
|
2262 ms | 101.143.231.4 |
| 3 | 2026-08-24 01:24 | 639231305014280808 |
|
2276 ms | 101.143.231.4 |
| 2 | 2026-08-24 00:31 | 639231273779380675 |
|
4273 ms | 101.143.231.4 |
| 1 | 2026-08-24 00:15 | 639231264180839154 |
|
2269 ms | 101.143.231.4 |