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 2026-08-23. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 322 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

71

Historical checks stored for this nameserver on selected date

Average Latency

322 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 22:41

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

71

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.f-cs.jp

Showing DNS history for 2026-08-23 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
71 2026-08-23 22:41 639231214931957622
26 ms 113.36.237.55
70 2026-08-23 22:24 639231204962010549
38 ms 113.36.237.55
69 2026-08-23 22:07 639231195170138463
15 ms 113.36.237.55
68 2026-08-23 21:51 639231185235020577
15 ms 113.36.237.55
67 2026-08-23 21:35 639231175558690075
16 ms 113.36.237.55
66 2026-08-23 21:18 639231165610444012
17 ms 113.36.237.55
65 2026-08-23 20:25 639231133806425363
39 ms 113.36.237.55
64 2026-08-23 20:09 639231124203758023
21 ms 113.36.237.55
63 2026-08-23 19:53 639231114428262706
32 ms 113.36.237.55
62 2026-08-23 19:37 639231104662480065
2007 ms 113.36.237.55
61 2026-08-23 19:20 639231094840372018
47 ms 113.36.237.55
60 2026-08-23 19:04 639231085024583224
45 ms 113.36.237.55
59 2026-08-23 18:48 639231075257417427
2033 ms 113.36.237.55
58 2026-08-23 18:31 639231065516009503
14 ms 113.36.237.55
57 2026-08-23 18:15 639231055805348837
14 ms 113.36.237.55
56 2026-08-23 17:59 639231045980373765
52 ms 113.36.237.55
55 2026-08-23 17:42 639231035984577527
91 ms 113.36.237.55
54 2026-08-23 17:25 639231025928115303
55 ms 113.36.237.55
53 2026-08-23 16:33 639230994250157583
39 ms 113.36.237.55
52 2026-08-23 16:16 639230984476411369
31 ms 113.36.237.55
51 2026-08-23 16:00 639230974838373450
29 ms 113.36.237.55
50 2026-08-23 15:44 639230965244277645
18 ms 113.36.237.55
49 2026-08-23 15:28 639230955522101820
46 ms 113.36.237.55
48 2026-08-23 15:12 639230945754521603
29 ms 113.36.237.55
47 2026-08-23 14:55 639230935852040504
2325 ms 113.36.237.55
46 2026-08-23 14:39 639230926222061048
2015 ms 113.36.237.55
45 2026-08-23 14:23 639230916449726907
19 ms 113.36.237.55
44 2026-08-23 14:07 639230906595053086
21 ms 113.36.237.55
43 2026-08-23 13:50 639230896680429441
2331 ms 113.36.237.55
42 2026-08-23 13:33 639230886630210965
39 ms 113.36.237.55
41 2026-08-23 12:41 639230855430405719
50 ms 113.36.237.55
40 2026-08-23 12:25 639230845707499136
17 ms 113.36.237.55
39 2026-08-23 12:09 639230836186805419
286 ms 113.36.237.55
38 2026-08-23 11:53 639230826493828316
35 ms 113.36.237.55
37 2026-08-23 11:37 639230816817882996
4016 ms 113.36.237.55
36 2026-08-23 11:21 639230806933854189
36 ms 113.36.237.55
35 2026-08-23 11:04 639230797120243854
19 ms 113.36.237.55
34 2026-08-23 10:48 639230787310272840
28 ms 113.36.237.55
33 2026-08-23 10:32 639230777600173142
9 ms 113.36.237.55
32 2026-08-23 10:15 639230767665024593
55 ms 113.36.237.55
31 2026-08-23 09:58 639230757720962293
18 ms 113.36.237.55
30 2026-08-23 09:42 639230747722189784
19 ms 113.36.237.55
29 2026-08-23 08:50 639230716313923480
17 ms 113.36.237.55
28 2026-08-23 08:34 639230706813835990
4 ms 113.36.237.55
27 2026-08-23 08:17 639230696871062203
53 ms 113.36.237.55
26 2026-08-23 08:01 639230687142781616
38 ms 113.36.237.55
25 2026-08-23 07:45 639230677432142227
46 ms 113.36.237.55
24 2026-08-23 07:28 639230667686258061
52 ms 113.36.237.55
23 2026-08-23 07:12 639230658039243685
83 ms 113.36.237.55
22 2026-08-23 06:56 639230648468473803
41 ms 113.36.237.55
21 2026-08-23 06:40 639230638829658294
9 ms 113.36.237.55
20 2026-08-23 06:24 639230629247017617
33 ms 113.36.237.55
19 2026-08-23 06:08 639230619625318239
8 ms 113.36.237.55
18 2026-08-23 05:52 639230609697630264
2033 ms 113.36.237.55
17 2026-08-23 05:00 639230578570131864
66 ms 113.36.237.55
16 2026-08-23 04:44 639230568958963168
2040 ms 113.36.237.55
15 2026-08-23 04:28 639230559287611211
3 ms 113.36.237.55
14 2026-08-23 04:12 639230549524312030
3 ms 113.36.237.55
13 2026-08-23 03:55 639230539739801669
47 ms 113.36.237.55
12 2026-08-23 03:39 639230530084069375
2 ms 113.36.237.55
11 2026-08-23 03:23 639230520362691441
3 ms 113.36.237.55
10 2026-08-23 03:07 639230510677194518
4 ms 113.36.237.55
9 2026-08-23 02:51 639230501156002646
28 ms 113.36.237.55
8 2026-08-23 02:35 639230491502198541
2020 ms 113.36.237.55
7 2026-08-23 02:19 639230481860318494
31 ms 113.36.237.55
6 2026-08-23 02:02 639230471893008575
10 ms 113.36.237.55
5 2026-08-23 01:09 639230440030877421
34 ms 113.36.237.55
4 2026-08-23 00:53 639230430479725508
15 ms 113.36.237.55
3 2026-08-23 00:37 639230420875160219
13 ms 113.36.237.55
2 2026-08-23 00:21 639230411240692575
36 ms 113.36.237.55
1 2026-08-23 00:05 639230401550806607
10 ms 113.36.237.55