DNS response history for ns1.f-cs.jp

ns1.f-cs.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 2026-08-22. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 200 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.f-cs.jp.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

200 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-22 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

113.36.237.55

Most recently resolved hosting IP on selected date

Successful Responses

73

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.f-cs.jp

Showing DNS history for 2026-08-22 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
74 2026-08-22 23:49 639230391807229016
62 ms 113.36.237.55
73 2026-08-22 23:32 639230382051619327
141 ms 113.36.237.55
72 2026-08-22 23:16 639230372323353529
16 ms 113.36.237.55
71 2026-08-22 23:00 639230362586451064
35 ms 113.36.237.55
70 2026-08-22 22:43 639230352793666303
11 ms 113.36.237.55
69 2026-08-22 22:27 639230342775737758
32 ms 113.36.237.55
68 2026-08-22 22:10 639230332639939561
13 ms 113.36.237.55
67 2026-08-22 21:17 639230301014190104
32 ms 113.36.237.55
66 2026-08-22 21:01 639230291048161498
11 ms 113.36.237.55
65 2026-08-22 20:44 639230280894353664
2045 ms 113.36.237.55
64 2026-08-22 20:27 639230270699419073
33 ms 113.36.237.55
63 2026-08-22 20:09 639230260248163050
44 ms 113.36.237.55
62 2026-08-22 19:52 639230250122494282
89 ms 113.36.237.55
61 2026-08-22 19:36 639230239972935046
409 ms 113.36.237.55
60 2026-08-22 19:19 639230229963262464
149 ms 113.36.237.55
59 2026-08-22 19:02 639230220033804658
31 ms 113.36.237.55
58 2026-08-22 18:45 639230209891107289
54 ms 113.36.237.55
57 2026-08-22 18:28 639230199630298717
34 ms 113.36.237.55
56 2026-08-22 18:11 639230189301984150
56 ms 113.36.237.55
55 2026-08-22 17:18 639230157138468804
2019 ms 113.36.237.55
54 2026-08-22 17:01 639230146987869495
33 ms 113.36.237.55
53 2026-08-22 16:44 639230136768638516
29 ms 113.36.237.55
52 2026-08-22 16:27 639230126735907877
39 ms 113.36.237.55
51 2026-08-22 16:10 639230116551187768
42 ms 113.36.237.55
50 2026-08-22 15:53 639230106335615913
39 ms 113.36.237.55
49 2026-08-22 15:36 639230096177758176
16 ms 113.36.237.55
48 2026-08-22 15:19 639230086185999993
46 ms 113.36.237.55
47 2026-08-22 15:03 639230076247854903
37 ms 113.36.237.55
46 2026-08-22 14:46 639230066076077530
2034 ms 113.36.237.55
45 2026-08-22 14:29 639230055738197328
36 ms 113.36.237.55
44 2026-08-22 14:11 639230045411225521
79 ms 113.36.237.55
43 2026-08-22 13:17 639230013046000470
22 ms 113.36.237.55
42 2026-08-22 13:01 639230003090037878
2378 ms 113.36.237.55
41 2026-08-22 12:44 639229993008259475
49 ms 113.36.237.55
40 2026-08-22 12:27 639229982909449470
167 ms 113.36.237.55
39 2026-08-22 12:11 639229973035502212
26 ms 113.36.237.55
38 2026-08-22 11:54 639229963064296145
8 ms 113.36.237.55
37 2026-08-22 11:37 639229952996162143
20 ms 113.36.237.55
36 2026-08-22 11:21 639229943051949195
14 ms 113.36.237.55
35 2026-08-22 11:04 639229932919214934
53 ms 113.36.237.55
34 2026-08-22 10:47 639229922745889838
26 ms 113.36.237.55
33 2026-08-22 10:30 639229912587214796
181 ms 113.36.237.55
32 2026-08-22 10:13 639229902240004454
16 ms 113.36.237.55
31 2026-08-22 09:20 639229870800501662
246 ms 113.36.237.55
30 2026-08-22 09:04 639229861058384956
113 ms 113.36.237.55
29 2026-08-22 08:48 639229851158592604
24 ms 113.36.237.55
28 2026-08-22 08:31 639229841475569629
14 ms 113.36.237.55
27 2026-08-22 08:15 639229831887658471
17 ms 113.36.237.55
26 2026-08-22 07:59 639229822043670346
159 ms 113.36.237.55
25 2026-08-22 07:43 639229812327913936
43 ms 113.36.237.55
24 2026-08-22 07:27 639229802629488686
24 ms 113.36.237.55
23 2026-08-22 07:11 639229793051447309
23 ms 113.36.237.55
22 2026-08-22 06:54 639229783303531961
7 ms 113.36.237.55
21 2026-08-22 06:38 639229773458051942
277 ms 113.36.237.55
20 2026-08-22 06:21 639229763373848056
17 ms 113.36.237.55
19 2026-08-22 05:29 639229732140622809
10 ms 113.36.237.55
18 2026-08-22 05:13 639229722699695967
21 ms 113.36.237.55
17 2026-08-22 04:57 639229713097498075
2011 ms 113.36.237.55
16 2026-08-22 04:42 639229703543969637
68 ms 113.36.237.55
15 2026-08-22 04:26 639229693970392873
56 ms 113.36.237.55
14 2026-08-22 04:09 639229684277329469
23 ms 113.36.237.55
13 2026-08-22 03:53 639229674501596661
65 ms 113.36.237.55
12 2026-08-22 03:37 639229665064441147
28 ms 113.36.237.55
11 2026-08-22 03:21 639229655507536872
13 ms 113.36.237.55
10 2026-08-22 03:05 639229645849603111
15 ms 113.36.237.55
9 2026-08-22 02:49 639229636090497453
43 ms 113.36.237.55
8 2026-08-22 02:32 639229625978544281
47 ms 113.36.237.55
7 2026-08-22 01:40 639229594644662176
65 ms 113.36.237.55
6 2026-08-22 01:24 639229585214633065
72 ms 113.36.237.55
5 2026-08-22 01:08 639229575581042175
31 ms 113.36.237.55
4 2026-08-22 00:52 639229565912268962
18 ms 113.36.237.55
3 2026-08-22 00:36 639229556237813203
-
2 2026-08-22 00:20 639229546625802518
31 ms 113.36.237.55
1 2026-08-22 00:04 639229537172016621
337 ms 113.36.237.55