DNS response history for ns01.u-bunkyo.ac.jp

ns01.u-bunkyo.ac.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 24 DNS check records, 24 successful responses, 0 failed responses, and 298 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 ns01.u-bunkyo.ac.jp.
Records on Selected Date

24

Historical checks stored for this nameserver on selected date

Average Latency

298 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 07:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

202.209.169.33

Most recently resolved hosting IP on selected date

Successful Responses

24

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 ns01.u-bunkyo.ac.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
24 2026-08-26 07:52 639233266521568229
293 ms 202.209.169.33
23 2026-08-26 07:34 639233256081047431
574 ms 202.209.169.33
22 2026-08-26 06:40 639233223620132921
554 ms 202.209.169.33
21 2026-08-26 06:23 639233213287814244
289 ms 202.209.169.33
20 2026-08-26 06:06 639233202925983161
281 ms 202.209.169.33
19 2026-08-26 05:49 639233192644780696
279 ms 202.209.169.33
18 2026-08-26 05:31 639233182401183833
283 ms 202.209.169.33
17 2026-08-26 05:14 639233172074181051
6 ms 202.209.169.33
16 2026-08-26 04:57 639233161808421455
295 ms 202.209.169.33
15 2026-08-26 04:40 639233151357344052
588 ms 202.209.169.33
14 2026-08-26 04:22 639233141034116946
304 ms 202.209.169.33
13 2026-08-26 04:05 639233130828334142
3 ms 202.209.169.33
12 2026-08-26 03:48 639233120373450007
568 ms 202.209.169.33
11 2026-08-26 03:31 639233110066216193
286 ms 202.209.169.33
10 2026-08-26 02:38 639233078065410564
286 ms 202.209.169.33
9 2026-08-26 02:20 639233067787457832
283 ms 202.209.169.33
8 2026-08-26 02:03 639233057501801162
4 ms 202.209.169.33
7 2026-08-26 01:46 639233047089431703
298 ms 202.209.169.33
6 2026-08-26 01:29 639233036754790688
284 ms 202.209.169.33
5 2026-08-26 01:12 639233026412602472
291 ms 202.209.169.33
4 2026-08-26 00:54 639233016064066127
3 ms 202.209.169.33
3 2026-08-26 00:37 639233005922655772
280 ms 202.209.169.33
2 2026-08-26 00:20 639232995672256907
544 ms 202.209.169.33
1 2026-08-26 00:03 639232985300872416
266 ms 202.209.169.33