DNS response history for ns2.c-sys.co.jp

ns2.c-sys.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 2026-08-24. For this date, NameServerHistory found 39 DNS check records, 39 successful responses, 0 failed responses, and 446 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.c-sys.co.jp.
Records on Selected Date

39

Historical checks stored for this nameserver on selected date

Average Latency

446 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 16:47

All timestamps shown in UTC

Latest Resolved IP on Selected Date

160.251.177.230

Most recently resolved hosting IP on selected date

Successful Responses

39

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 ns2.c-sys.co.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
39 2026-08-24 16:47 639231860258429562
534 ms 160.251.177.230
38 2026-08-24 15:54 639231828211839931
529 ms 160.251.177.230
37 2026-08-24 15:37 639231818080917481
563 ms 160.251.177.230
36 2026-08-24 15:20 639231807961539652
5 ms 160.251.177.230
35 2026-08-24 15:03 639231797631669865
285 ms 160.251.177.230
34 2026-08-24 14:10 639231765923559455
2272 ms 160.251.177.230
33 2026-08-24 13:53 639231755868832964
605 ms 160.251.177.230
32 2026-08-24 13:36 639231745628278877
802 ms 160.251.177.230
31 2026-08-24 13:19 639231735407682062
756 ms 160.251.177.230
30 2026-08-24 12:26 639231703815441688
296 ms 160.251.177.230
29 2026-08-24 12:10 639231693747052549
778 ms 160.251.177.230
28 2026-08-24 11:53 639231683712487276
731 ms 160.251.177.230
27 2026-08-24 11:36 639231673513573868
768 ms 160.251.177.230
26 2026-08-24 10:43 639231641791249939
698 ms 160.251.177.230
25 2026-08-24 10:26 639231631866211033
262 ms 160.251.177.230
24 2026-08-24 10:10 639231621644955316
603 ms 160.251.177.230
23 2026-08-24 09:53 639231611478799259
275 ms 160.251.177.230
22 2026-08-24 09:00 639231579923718211
270 ms 160.251.177.230
21 2026-08-24 08:43 639231569810702936
5 ms 160.251.177.230
20 2026-08-24 08:26 639231559762411619
550 ms 160.251.177.230
19 2026-08-24 08:09 639231549663595407
269 ms 160.251.177.230
18 2026-08-24 07:17 639231518076817246
288 ms 160.251.177.230
17 2026-08-24 07:00 639231508078650885
4 ms 160.251.177.230
16 2026-08-24 06:43 639231498210697093
550 ms 160.251.177.230
15 2026-08-24 06:27 639231488109699360
545 ms 160.251.177.230
14 2026-08-24 05:35 639231456772510692
3 ms 160.251.177.230
13 2026-08-24 05:18 639231447084631185
3 ms 160.251.177.230
12 2026-08-24 05:02 639231437208519473
559 ms 160.251.177.230
11 2026-08-24 04:45 639231427209627490
587 ms 160.251.177.230
10 2026-08-24 03:53 639231395791246644
543 ms 160.251.177.230
9 2026-08-24 03:37 639231386075551458
276 ms 160.251.177.230
8 2026-08-24 03:20 639231376208713791
3 ms 160.251.177.230
7 2026-08-24 03:04 639231366170589276
268 ms 160.251.177.230
6 2026-08-24 02:11 639231334732159368
275 ms 160.251.177.230
5 2026-08-24 01:55 639231325035670078
268 ms 160.251.177.230
4 2026-08-24 01:38 639231315132253837
272 ms 160.251.177.230
3 2026-08-24 01:22 639231305014280808
525 ms 160.251.177.230
2 2026-08-24 00:29 639231273779380675
2 ms 160.251.177.230
1 2026-08-24 00:13 639231264180839154
561 ms 160.251.177.230