DNS response history for v2003.coreserver.jp

v2003.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 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 73 successful responses, 1 failed responses, and 433 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 v2003.coreserver.jp.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

433 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

163.44.176.13

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 v2003.coreserver.jp

Showing DNS history for 2026-08-19 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 2026-08-19 23:44 639227795899225951
12 ms 163.44.176.13
73 2026-08-19 23:28 639227786351762008
30 ms 163.44.176.13
72 2026-08-19 23:12 639227776640591733
38 ms 163.44.176.13
71 2026-08-19 22:56 639227767128841282
2030 ms 163.44.176.13
70 2026-08-19 22:40 639227757477304711
32 ms 163.44.176.13
69 2026-08-19 22:24 639227747572098014
6 ms 163.44.176.13
68 2026-08-19 22:07 639227737588613113
7 ms 163.44.176.13
67 2026-08-19 21:15 639227706134603955
25 ms 163.44.176.13
66 2026-08-19 20:59 639227696589027396
56 ms 163.44.176.13
65 2026-08-19 20:43 639227687097707639
14 ms 163.44.176.13
64 2026-08-19 20:27 639227677474464487
2045 ms 163.44.176.13
63 2026-08-19 20:11 639227667767441118
45 ms 163.44.176.13
62 2026-08-19 19:54 639227657984833832
11 ms 163.44.176.13
61 2026-08-19 19:38 639227648079992640
2068 ms 163.44.176.13
60 2026-08-19 19:22 639227638125048441
2061 ms 163.44.176.13
59 2026-08-19 19:05 639227628211392142
29 ms 163.44.176.13
58 2026-08-19 18:48 639227618261696275
31 ms 163.44.176.13
57 2026-08-19 18:32 639227608366233645
21 ms 163.44.176.13
56 2026-08-19 18:15 639227598301787588
2019 ms 163.44.176.13
55 2026-08-19 17:22 639227566241010716
17 ms 163.44.176.13
54 2026-08-19 17:05 639227556454538959
9 ms 163.44.176.13
53 2026-08-19 16:49 639227546640305542
5 ms 163.44.176.13
52 2026-08-19 16:33 639227536965466472
2157 ms 163.44.176.13
51 2026-08-19 16:16 639227527048658280
82 ms 163.44.176.13
50 2026-08-19 16:00 639227517386634438
152 ms 163.44.176.13
49 2026-08-19 15:44 639227507459551637
13 ms 163.44.176.13
48 2026-08-19 15:27 639227497515595277
433 ms 163.44.176.13
47 2026-08-19 15:10 639227487441798036
2029 ms 163.44.176.13
46 2026-08-19 14:53 639227477445551863
19 ms 163.44.176.13
45 2026-08-19 14:36 639227467297067891
29 ms 163.44.176.13
44 2026-08-19 14:19 639227457057795635
15 ms 163.44.176.13
43 2026-08-19 13:27 639227425244777397
-
42 2026-08-19 13:10 639227415422116485
8 ms 163.44.176.13
41 2026-08-19 12:53 639227405307256053
27 ms 163.44.176.13
40 2026-08-19 12:37 639227395396602630
30 ms 163.44.176.13
39 2026-08-19 12:20 639227385510363611
26 ms 163.44.176.13
38 2026-08-19 12:04 639227375508324850
8 ms 163.44.176.13
37 2026-08-19 11:47 639227365326611906
7 ms 163.44.176.13
36 2026-08-19 11:30 639227355360014208
31 ms 163.44.176.13
35 2026-08-19 11:13 639227345036782165
2016 ms 163.44.176.13
34 2026-08-19 10:56 639227334992964533
51 ms 163.44.176.13
33 2026-08-19 10:39 639227324986605572
45 ms 163.44.176.13
32 2026-08-19 10:23 639227314928414539
35 ms 163.44.176.13
31 2026-08-19 09:29 639227283029182134
2185 ms 163.44.176.13
30 2026-08-19 09:13 639227273294779350
2008 ms 163.44.176.13
29 2026-08-19 08:57 639227263525231313
13 ms 163.44.176.13
28 2026-08-19 08:40 639227253578313363
161 ms 163.44.176.13
27 2026-08-19 08:24 639227243649973322
10 ms 163.44.176.13
26 2026-08-19 08:07 639227233581059317
34 ms 163.44.176.13
25 2026-08-19 07:50 639227223667352067
48 ms 163.44.176.13
24 2026-08-19 07:34 639227213714837066
38 ms 163.44.176.13
23 2026-08-19 07:17 639227203701208496
15 ms 163.44.176.13
22 2026-08-19 07:00 639227193643202179
35 ms 163.44.176.13
21 2026-08-19 06:44 639227183584431597
30 ms 163.44.176.13
20 2026-08-19 06:27 639227173347403088
257 ms 163.44.176.13
19 2026-08-19 05:34 639227141523007601
12 ms 163.44.176.13
18 2026-08-19 05:17 639227131785931574
2180 ms 163.44.176.13
17 2026-08-19 05:01 639227122176475389
14 ms 163.44.176.13
16 2026-08-19 04:45 639227112668934596
2016 ms 163.44.176.13
15 2026-08-19 04:29 639227102773292788
11 ms 163.44.176.13
14 2026-08-19 04:13 639227093141136930
27 ms 163.44.176.13
13 2026-08-19 03:57 639227083449420147
51 ms 163.44.176.13
12 2026-08-19 03:41 639227073771748493
17 ms 163.44.176.13
11 2026-08-19 03:24 639227063977347614
29 ms 163.44.176.13
10 2026-08-19 03:08 639227054253519024
4015 ms 163.44.176.13
9 2026-08-19 02:52 639227044381963886
16 ms 163.44.176.13
8 2026-08-19 02:35 639227034441085514
306 ms 163.44.176.13
7 2026-08-19 01:43 639227003126489968
5 ms 163.44.176.13
6 2026-08-19 01:27 639226993456311614
13 ms 163.44.176.13
5 2026-08-19 01:11 639226983847312345
48 ms 163.44.176.13
4 2026-08-19 00:55 639226974357874853
70 ms 163.44.176.13
3 2026-08-19 00:39 639226964670484721
36 ms 163.44.176.13
2 2026-08-19 00:23 639226954857899696
51 ms 163.44.176.13
1 2026-08-19 00:06 639226945091603488
4 ms 163.44.176.13