DNS response history for s200.coreserver.jp

s200.coreserver.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 2026-08-28. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 283 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 s200.coreserver.jp.
Records on Selected Date

56

Historical checks stored for this nameserver on selected date

Average Latency

283 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 23:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

202.172.28.201

Most recently resolved hosting IP on selected date

Successful Responses

56

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 s200.coreserver.jp

Showing DNS history for 2026-08-28 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
56 2026-08-28 23:50 639235574865467349
9 ms 202.172.28.201
55 2026-08-28 23:33 639235564640220198
4 ms 202.172.28.201
54 2026-08-28 23:16 639235554328938529
32 ms 202.172.28.201
53 2026-08-28 22:58 639235543879452837
8 ms 202.172.28.201
52 2026-08-28 22:05 639235511923394567
2111 ms 202.172.28.201
51 2026-08-28 21:48 639235501571282412
35 ms 202.172.28.201
50 2026-08-28 21:31 639235491147763512
55 ms 202.172.28.201
49 2026-08-28 21:13 639235480607057252
32 ms 202.172.28.201
48 2026-08-28 20:19 639235448504869535
2024 ms 202.172.28.201
47 2026-08-28 20:02 639235438205961423
21 ms 202.172.28.201
46 2026-08-28 19:45 639235427771603643
17 ms 202.172.28.201
45 2026-08-28 19:27 639235417327437217
7 ms 202.172.28.201
44 2026-08-28 18:35 639235385468729647
64 ms 202.172.28.201
43 2026-08-28 18:17 639235375227508188
5 ms 202.172.28.201
42 2026-08-28 18:00 639235364947407812
12 ms 202.172.28.201
41 2026-08-28 17:43 639235354434017190
6 ms 202.172.28.201
40 2026-08-28 16:50 639235322621629103
39 ms 202.172.28.201
39 2026-08-28 16:32 639235312230592801
4 ms 202.172.28.201
38 2026-08-28 16:15 639235301738139314
10 ms 202.172.28.201
37 2026-08-28 15:57 639235291168160936
19 ms 202.172.28.201
36 2026-08-28 15:03 639235258803654519
13 ms 202.172.28.201
35 2026-08-28 14:46 639235248596087996
7 ms 202.172.28.201
34 2026-08-28 14:29 639235238225955920
2016 ms 202.172.28.201
33 2026-08-28 14:12 639235227727862105
6 ms 202.172.28.201
32 2026-08-28 13:17 639235195230848570
2016 ms 202.172.28.201
31 2026-08-28 13:00 639235184840503274
8 ms 202.172.28.201
30 2026-08-28 12:43 639235174453894956
18 ms 202.172.28.201
29 2026-08-28 12:25 639235163898672622
2012 ms 202.172.28.201
28 2026-08-28 11:32 639235132147470568
25 ms 202.172.28.201
27 2026-08-28 11:15 639235121907744088
2037 ms 202.172.28.201
26 2026-08-28 10:58 639235111428014262
11 ms 202.172.28.201
25 2026-08-28 10:40 639235100921813626
22 ms 202.172.28.201
24 2026-08-28 09:46 639235068670703481
34 ms 202.172.28.201
23 2026-08-28 09:29 639235058337459445
47 ms 202.172.28.201
22 2026-08-28 09:12 639235047825109146
11 ms 202.172.28.201
21 2026-08-28 08:54 639235037383229033
2260 ms 202.172.28.201
20 2026-08-28 08:01 639235005619242711
30 ms 202.172.28.201
19 2026-08-28 07:44 639234995310346584
5 ms 202.172.28.201
18 2026-08-28 07:27 639234984946548933
5 ms 202.172.28.201
17 2026-08-28 07:10 639234974608077290
7 ms 202.172.28.201
16 2026-08-28 06:16 639234942529845595
24 ms 202.172.28.201
15 2026-08-28 05:59 639234932259126627
28 ms 202.172.28.201
14 2026-08-28 05:42 639234921916735988
41 ms 202.172.28.201
13 2026-08-28 05:25 639234911470038027
35 ms 202.172.28.201
12 2026-08-28 04:31 639234879588411654
12 ms 202.172.28.201
11 2026-08-28 04:14 639234869341589104
211 ms 202.172.28.201
10 2026-08-28 03:57 639234859012216675
9 ms 202.172.28.201
9 2026-08-28 03:40 639234848695364934
4 ms 202.172.28.201
8 2026-08-28 02:47 639234816952458162
42 ms 202.172.28.201
7 2026-08-28 02:30 639234806773081598
13 ms 202.172.28.201
6 2026-08-28 02:13 639234796382955255
4 ms 202.172.28.201
5 2026-08-28 01:55 639234786015782563
5 ms 202.172.28.201
4 2026-08-28 01:02 639234753811917646
11 ms 202.172.28.201
3 2026-08-28 00:45 639234743739767811
288 ms 202.172.28.201
2 2026-08-28 00:28 639234733372362811
29 ms 202.172.28.201
1 2026-08-28 00:10 639234723048550337
10 ms 202.172.28.201