DNS response history for ns1.u-p-a.jp

ns1.u-p-a.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 14 DNS check records, 14 successful responses, 0 failed responses, and 492 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 ns1.u-p-a.jp.
Records on Selected Date

14

Historical checks stored for this nameserver on selected date

Average Latency

492 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 05:10

All timestamps shown in UTC

Latest Resolved IP on Selected Date

160.251.152.115

Most recently resolved hosting IP on selected date

Successful Responses

14

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 ns1.u-p-a.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
14 2026-08-25 05:10 639232306217998913
290 ms 160.251.152.115
13 2026-08-25 04:53 639232296255744174
4 ms 160.251.152.115
12 2026-08-25 04:37 639232286095760789
1042 ms 160.251.152.115
11 2026-08-25 04:20 639232276086186273
525 ms 160.251.152.115
10 2026-08-25 04:03 639232265900986425
519 ms 160.251.152.115
9 2026-08-25 03:46 639232255723518075
535 ms 160.251.152.115
8 2026-08-25 03:29 639232245484452890
527 ms 160.251.152.115
7 2026-08-25 03:12 639232235157175331
532 ms 160.251.152.115
6 2026-08-25 02:19 639232203197189095
1075 ms 160.251.152.115
5 2026-08-25 02:01 639232192844564298
264 ms 160.251.152.115
4 2026-08-25 01:44 639232182496008942
530 ms 160.251.152.115
3 2026-08-25 01:27 639232172197053132
262 ms 160.251.152.115
2 2026-08-25 00:33 639232140250307418
518 ms 160.251.152.115
1 2026-08-25 00:17 639232129927860324
268 ms 160.251.152.115