History for dns01.ultinet.ne.jp
Domain: ultinet.ne.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for dns01.ultinet.ne.jp
dns01.ultinet.ne.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 2026-08-25. For this date, NameServerHistory found 55 DNS check records, 55 successful responses, 0 failed responses, and 1495 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 dns01.ultinet.ne.jp.
Records on Selected Date
55
Historical checks stored for this nameserver on selected date
Average Latency
1495 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-25 18:31
All timestamps shown in UTC
Latest Resolved IP on Selected Date
202.235.201.2
Most recently resolved hosting IP on selected date
Successful Responses
55
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 dns01.ultinet.ne.jp
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 |
|---|---|---|---|---|---|
| 55 | 2026-08-25 18:31 | 639232785462407552 |
|
1383 ms | 202.235.201.2 |
| 54 | 2026-08-25 18:14 | 639232775177487032 |
|
1394 ms | 202.235.201.2 |
| 53 | 2026-08-25 17:57 | 639232764991087115 |
|
2512 ms | 202.235.201.2 |
| 52 | 2026-08-25 17:40 | 639232754842971478 |
|
1384 ms | 202.235.201.2 |
| 51 | 2026-08-25 17:23 | 639232744455159107 |
|
1419 ms | 202.235.201.2 |
| 50 | 2026-08-25 17:06 | 639232734145178231 |
|
1428 ms | 202.235.201.2 |
| 49 | 2026-08-25 16:48 | 639232723827874402 |
|
1371 ms | 202.235.201.2 |
| 48 | 2026-08-25 16:31 | 639232713533011892 |
|
1385 ms | 202.235.201.2 |
| 47 | 2026-08-25 16:14 | 639232703065318207 |
|
1663 ms | 202.235.201.2 |
| 46 | 2026-08-25 15:57 | 639232692629559470 |
|
1360 ms | 202.235.201.2 |
| 45 | 2026-08-25 15:39 | 639232682238836475 |
|
1383 ms | 202.235.201.2 |
| 44 | 2026-08-25 15:22 | 639232671787004306 |
|
1391 ms | 202.235.201.2 |
| 43 | 2026-08-25 14:27 | 639232638994329666 |
|
1381 ms | 202.235.201.2 |
| 42 | 2026-08-25 14:10 | 639232628614783237 |
|
1415 ms | 202.235.201.2 |
| 41 | 2026-08-25 13:53 | 639232618360728578 |
|
1388 ms | 202.235.201.2 |
| 40 | 2026-08-25 13:35 | 639232608016476376 |
|
1419 ms | 202.235.201.2 |
| 39 | 2026-08-25 13:18 | 639232597643611557 |
|
1589 ms | 202.235.201.2 |
| 38 | 2026-08-25 13:01 | 639232587225721862 |
|
1839 ms | 202.235.201.2 |
| 37 | 2026-08-25 12:43 | 639232576780683689 |
|
1415 ms | 202.235.201.2 |
| 36 | 2026-08-25 12:26 | 639232566381512620 |
|
1806 ms | 202.235.201.2 |
| 35 | 2026-08-25 12:09 | 639232556111768563 |
|
1390 ms | 202.235.201.2 |
| 34 | 2026-08-25 11:52 | 639232545839529039 |
|
1395 ms | 202.235.201.2 |
| 33 | 2026-08-25 11:34 | 639232535349285207 |
|
1410 ms | 202.235.201.2 |
| 32 | 2026-08-25 11:17 | 639232524938080723 |
|
1388 ms | 202.235.201.2 |
| 31 | 2026-08-25 10:23 | 639232492740373468 |
|
1412 ms | 202.235.201.2 |
| 30 | 2026-08-25 10:06 | 639232482235303141 |
|
1348 ms | 202.235.201.2 |
| 29 | 2026-08-25 09:48 | 639232471861770303 |
|
1976 ms | 202.235.201.2 |
| 28 | 2026-08-25 09:31 | 639232461630217327 |
|
1379 ms | 202.235.201.2 |
| 27 | 2026-08-25 09:14 | 639232451282965990 |
|
1849 ms | 202.235.201.2 |
| 26 | 2026-08-25 08:57 | 639232440814614938 |
|
1639 ms | 202.235.201.2 |
| 25 | 2026-08-25 08:39 | 639232430410720425 |
|
1366 ms | 202.235.201.2 |
| 24 | 2026-08-25 08:22 | 639232420003096185 |
|
1637 ms | 202.235.201.2 |
| 23 | 2026-08-25 08:05 | 639232409467287444 |
|
1678 ms | 202.235.201.2 |
| 22 | 2026-08-25 07:47 | 639232399077195997 |
|
1384 ms | 202.235.201.2 |
| 21 | 2026-08-25 07:30 | 639232388731528337 |
|
1623 ms | 202.235.201.2 |
| 20 | 2026-08-25 07:13 | 639232378288598612 |
|
1356 ms | 202.235.201.2 |
| 19 | 2026-08-25 06:19 | 639232346196373643 |
|
1380 ms | 202.235.201.2 |
| 18 | 2026-08-25 06:02 | 639232336112370741 |
|
1365 ms | 202.235.201.2 |
| 17 | 2026-08-25 05:45 | 639232326146508970 |
|
1354 ms | 202.235.201.2 |
| 16 | 2026-08-25 05:28 | 639232316189381720 |
|
1392 ms | 202.235.201.2 |
| 15 | 2026-08-25 05:12 | 639232306217998913 |
|
1384 ms | 202.235.201.2 |
| 14 | 2026-08-25 04:55 | 639232296255744174 |
|
1399 ms | 202.235.201.2 |
| 13 | 2026-08-25 04:39 | 639232286095760789 |
|
1346 ms | 202.235.201.2 |
| 12 | 2026-08-25 04:22 | 639232276086186273 |
|
1387 ms | 202.235.201.2 |
| 11 | 2026-08-25 04:05 | 639232265900986425 |
|
1363 ms | 202.235.201.2 |
| 10 | 2026-08-25 03:48 | 639232255723518075 |
|
1387 ms | 202.235.201.2 |
| 9 | 2026-08-25 03:31 | 639232245484452890 |
|
1684 ms | 202.235.201.2 |
| 8 | 2026-08-25 03:14 | 639232235157175331 |
|
1656 ms | 202.235.201.2 |
| 7 | 2026-08-25 02:20 | 639232203197189095 |
|
1383 ms | 202.235.201.2 |
| 6 | 2026-08-25 02:03 | 639232192844564298 |
|
1387 ms | 202.235.201.2 |
| 5 | 2026-08-25 01:46 | 639232182496008942 |
|
1386 ms | 202.235.201.2 |
| 4 | 2026-08-25 01:29 | 639232172197053132 |
|
1424 ms | 202.235.201.2 |
| 3 | 2026-08-25 00:35 | 639232140250307418 |
|
1636 ms | 202.235.201.2 |
| 2 | 2026-08-25 00:19 | 639232129927860324 |
|
1679 ms | 202.235.201.2 |
| 1 | 2026-08-25 00:01 | 639232119551972438 |
|
1660 ms | 202.235.201.2 |