DNS response history for ns1.usui.co.jp

ns1.usui.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 2026-08-27. For this date, NameServerHistory found 20 DNS check records, 20 successful responses, 0 failed responses, and 583 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.usui.co.jp.
Records on Selected Date

20

Historical checks stored for this nameserver on selected date

Average Latency

583 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 06:21

All timestamps shown in UTC

Latest Resolved IP on Selected Date

61.120.9.218

Most recently resolved hosting IP on selected date

Successful Responses

20

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.usui.co.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
20 2026-08-27 06:21 639234076291157956
3 ms 61.120.9.218
19 2026-08-27 06:04 639234065981939454
3 ms 61.120.9.218
18 2026-08-27 05:47 639234055548642997
1094 ms 61.120.9.218
17 2026-08-27 05:29 639234045267979603
587 ms 61.120.9.218
16 2026-08-27 05:12 639234034999717463
619 ms 61.120.9.218
15 2026-08-27 04:55 639234024739225358
856 ms 61.120.9.218
14 2026-08-27 04:38 639234014311170162
590 ms 61.120.9.218
13 2026-08-27 04:20 639234003806017640
575 ms 61.120.9.218
12 2026-08-27 04:03 639233993356203030
607 ms 61.120.9.218
11 2026-08-27 03:10 639233961301716608
577 ms 61.120.9.218
10 2026-08-27 02:52 639233950834200647
586 ms 61.120.9.218
9 2026-08-27 02:35 639233940431849026
572 ms 61.120.9.218
8 2026-08-27 02:18 639233930110596398
568 ms 61.120.9.218
7 2026-08-27 02:00 639233919705434540
616 ms 61.120.9.218
6 2026-08-27 01:43 639233909452807845
612 ms 61.120.9.218
5 2026-08-27 01:26 639233899096420820
584 ms 61.120.9.218
4 2026-08-27 01:09 639233888707824939
577 ms 61.120.9.218
3 2026-08-27 00:51 639233878461203802
588 ms 61.120.9.218
2 2026-08-27 00:34 639233868060868209
853 ms 61.120.9.218
1 2026-08-27 00:17 639233857450922991
601 ms 61.120.9.218