History for free-test.d4u.jp
Domain: d4u.jp • Tracking since 2026-08-04 23:25 UTC
DNS response history for free-test.d4u.jp
free-test.d4u.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 2026-08-27. For this date, NameServerHistory found 47 DNS check records, 47 successful responses, 0 failed responses, and 390 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 free-test.d4u.jp.
Records on Selected Date
47
Historical checks stored for this nameserver on selected date
Average Latency
390 ms
Calculated from available response records
Latest Check on Selected Date
2026-08-27 15:08
All timestamps shown in UTC
Latest Resolved IP on Selected Date
210.156.89.9
Most recently resolved hosting IP on selected date
Successful Responses
47
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 free-test.d4u.jp
Showing DNS history for 2026-08-27 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 |
|---|---|---|---|---|---|
| 47 | 2026-08-27 15:08 | 639234399767719119 |
|
2077 ms | 210.156.89.9 |
| 46 | 2026-08-27 14:50 | 639234389460601485 |
|
8 ms | 210.156.89.9 |
| 45 | 2026-08-27 14:33 | 639234379227178707 |
|
35 ms | 210.156.89.9 |
| 44 | 2026-08-27 14:16 | 639234369065315214 |
|
13 ms | 210.156.89.9 |
| 43 | 2026-08-27 13:59 | 639234358825501576 |
|
26 ms | 210.156.89.9 |
| 42 | 2026-08-27 13:42 | 639234348572745268 |
|
24 ms | 210.156.89.9 |
| 41 | 2026-08-27 13:25 | 639234338264503481 |
|
23 ms | 210.156.89.9 |
| 40 | 2026-08-27 13:08 | 639234327818741376 |
|
2027 ms | 210.156.89.9 |
| 39 | 2026-08-27 12:50 | 639234317475724313 |
|
35 ms | 210.156.89.9 |
| 38 | 2026-08-27 12:33 | 639234307007468133 |
|
22 ms | 210.156.89.9 |
| 37 | 2026-08-27 12:16 | 639234296664302575 |
|
69 ms | 210.156.89.9 |
| 36 | 2026-08-27 11:58 | 639234286253196126 |
|
45 ms | 210.156.89.9 |
| 35 | 2026-08-27 11:05 | 639234253963286387 |
|
32 ms | 210.156.89.9 |
| 34 | 2026-08-27 10:47 | 639234243654907465 |
|
9 ms | 210.156.89.9 |
| 33 | 2026-08-27 10:30 | 639234233269654413 |
|
42 ms | 210.156.89.9 |
| 32 | 2026-08-27 10:13 | 639234222943951923 |
|
12 ms | 210.156.89.9 |
| 31 | 2026-08-27 09:56 | 639234212558002823 |
|
24 ms | 210.156.89.9 |
| 30 | 2026-08-27 09:38 | 639234202117531850 |
|
69 ms | 210.156.89.9 |
| 29 | 2026-08-27 09:21 | 639234191649612722 |
|
19 ms | 210.156.89.9 |
| 28 | 2026-08-27 09:03 | 639234181105879568 |
|
19 ms | 210.156.89.9 |
| 27 | 2026-08-27 08:46 | 639234170713214496 |
|
67 ms | 210.156.89.9 |
| 26 | 2026-08-27 08:29 | 639234160341037652 |
|
71 ms | 210.156.89.9 |
| 25 | 2026-08-27 08:11 | 639234149799404224 |
|
37 ms | 210.156.89.9 |
| 24 | 2026-08-27 07:54 | 639234139553286469 |
|
43 ms | 210.156.89.9 |
| 23 | 2026-08-27 07:00 | 639234107183588293 |
|
19 ms | 210.156.89.9 |
| 22 | 2026-08-27 06:43 | 639234096905435724 |
|
531 ms | 210.156.89.9 |
| 21 | 2026-08-27 06:26 | 639234086579410775 |
|
21 ms | 210.156.89.9 |
| 20 | 2026-08-27 06:09 | 639234076291157956 |
|
6 ms | 210.156.89.9 |
| 19 | 2026-08-27 05:51 | 639234065981939454 |
|
2077 ms | 210.156.89.9 |
| 18 | 2026-08-27 05:34 | 639234055548642997 |
|
11 ms | 210.156.89.9 |
| 17 | 2026-08-27 05:17 | 639234045267979603 |
|
5 ms | 210.156.89.9 |
| 16 | 2026-08-27 05:00 | 639234034999717463 |
|
28 ms | 210.156.89.9 |
| 15 | 2026-08-27 04:43 | 639234024739225358 |
|
22 ms | 210.156.89.9 |
| 14 | 2026-08-27 04:25 | 639234014311170162 |
|
11 ms | 210.156.89.9 |
| 13 | 2026-08-27 04:08 | 639234003806017640 |
|
48 ms | 210.156.89.9 |
| 12 | 2026-08-27 03:50 | 639233993356203030 |
|
11 ms | 210.156.89.9 |
| 11 | 2026-08-27 02:57 | 639233961301716608 |
|
4036 ms | 210.156.89.9 |
| 10 | 2026-08-27 02:40 | 639233950834200647 |
|
271 ms | 210.156.89.9 |
| 9 | 2026-08-27 02:22 | 639233940431849026 |
|
2056 ms | 210.156.89.9 |
| 8 | 2026-08-27 02:05 | 639233930110596398 |
|
2173 ms | 210.156.89.9 |
| 7 | 2026-08-27 01:47 | 639233919705434540 |
|
16 ms | 210.156.89.9 |
| 6 | 2026-08-27 01:30 | 639233909452807845 |
|
44 ms | 210.156.89.9 |
| 5 | 2026-08-27 01:13 | 639233899096420820 |
|
24 ms | 210.156.89.9 |
| 4 | 2026-08-27 00:56 | 639233888707824939 |
|
26 ms | 210.156.89.9 |
| 3 | 2026-08-27 00:39 | 639233878461203802 |
|
2035 ms | 210.156.89.9 |
| 2 | 2026-08-27 00:21 | 639233868060868209 |
|
4 ms | 210.156.89.9 |
| 1 | 2026-08-27 00:04 | 639233857450922991 |
|
29 ms | 210.156.89.9 |