DNS response history for ns2-cf.rspnet.jp

ns2-cf.rspnet.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 2026-08-24. For this date, NameServerHistory found 48 DNS check records, 46 successful responses, 2 failed responses, and 220 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 ns2-cf.rspnet.jp.
Records on Selected Date

48

Historical checks stored for this nameserver on selected date

Average Latency

220 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 20:19

All timestamps shown in UTC

Latest Resolved IP on Selected Date

162.159.9.122

Most recently resolved hosting IP on selected date

Successful Responses

46

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2-cf.rspnet.jp

Showing DNS history for 2026-08-24 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
48 2026-08-24 20:19 639231993997863976
-
47 2026-08-24 20:02 639231983967363696
31 ms 162.159.9.122
46 2026-08-24 19:09 639231952257842845
58 ms 162.159.9.122
45 2026-08-24 18:52 639231942277816756
35 ms 162.159.9.122
44 2026-08-24 18:36 639231932094180724
24 ms 162.159.9.122
43 2026-08-24 18:19 639231922041034838
-
42 2026-08-24 17:26 639231890488117536
28 ms 162.159.9.122
41 2026-08-24 17:10 639231880574255543
2289 ms 162.159.9.122
40 2026-08-24 16:53 639231870418029045
16 ms 162.159.9.122
39 2026-08-24 16:36 639231860258429562
27 ms 162.159.9.122
38 2026-08-24 15:42 639231828211839931
24 ms 162.159.9.122
37 2026-08-24 15:25 639231818080917481
2036 ms 162.159.9.122
36 2026-08-24 15:08 639231807961539652
294 ms 162.159.9.122
35 2026-08-24 14:51 639231797631669865
32 ms 162.159.9.122
34 2026-08-24 13:59 639231765923559455
25 ms 162.159.9.122
33 2026-08-24 13:42 639231755868832964
16 ms 162.159.9.122
32 2026-08-24 13:25 639231745628278877
21 ms 162.159.9.122
31 2026-08-24 13:08 639231735407682062
120 ms 162.159.9.122
30 2026-08-24 12:15 639231703815441688
21 ms 162.159.9.122
29 2026-08-24 11:58 639231693747052549
20 ms 162.159.9.122
28 2026-08-24 11:41 639231683712487276
7 ms 162.159.9.122
27 2026-08-24 11:25 639231673513573868
2018 ms 162.159.9.122
26 2026-08-24 10:32 639231641791249939
29 ms 162.159.9.122
25 2026-08-24 10:15 639231631866211033
27 ms 162.159.9.122
24 2026-08-24 09:58 639231621644955316
37 ms 162.159.9.122
23 2026-08-24 09:41 639231611478799259
71 ms 162.159.9.122
22 2026-08-24 08:49 639231579923718211
10 ms 162.159.9.122
21 2026-08-24 08:32 639231569810702936
18 ms 162.159.9.122
20 2026-08-24 08:15 639231559762411619
176 ms 162.159.9.122
19 2026-08-24 07:58 639231549663595407
59 ms 162.159.9.122
18 2026-08-24 07:06 639231518076817246
35 ms 162.159.9.122
17 2026-08-24 06:49 639231508078650885
61 ms 162.159.9.122
16 2026-08-24 06:32 639231498210697093
6 ms 162.159.9.122
15 2026-08-24 06:16 639231488109699360
14 ms 162.159.9.122
14 2026-08-24 05:23 639231456772510692
33 ms 162.159.9.122
13 2026-08-24 05:07 639231447084631185
2046 ms 162.159.9.122
12 2026-08-24 04:51 639231437208519473
21 ms 162.159.9.122
11 2026-08-24 04:34 639231427209627490
31 ms 162.159.9.122
10 2026-08-24 03:42 639231395791246644
37 ms 162.159.9.122
9 2026-08-24 03:25 639231386075551458
22 ms 162.159.9.122
8 2026-08-24 03:09 639231376208713791
26 ms 162.159.9.122
7 2026-08-24 02:52 639231366170589276
31 ms 162.159.9.122
6 2026-08-24 02:00 639231334732159368
41 ms 162.159.9.122
5 2026-08-24 01:44 639231325035670078
29 ms 162.159.9.122
4 2026-08-24 01:27 639231315132253837
14 ms 162.159.9.122
3 2026-08-24 01:10 639231305014280808
29 ms 162.159.9.122
2 2026-08-24 00:18 639231273779380675
23 ms 162.159.9.122
1 2026-08-24 00:02 639231264180839154
45 ms 162.159.9.122