DNS response history for ns1.core-server.jp

ns1.core-server.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 75 DNS check records, 75 successful responses, 0 failed responses, and 491 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.core-server.jp.
Records on Selected Date

75

Historical checks stored for this nameserver on selected date

Average Latency

491 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

210.153.88.114

Most recently resolved hosting IP on selected date

Successful Responses

75

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.core-server.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
75 2026-08-23 23:57 639231254406598736
448 ms 210.153.88.114
74 2026-08-23 23:41 639231244697865594
438 ms 210.153.88.114
73 2026-08-23 23:24 639231234893504693
223 ms 210.153.88.114
72 2026-08-23 23:08 639231225024549139
220 ms 210.153.88.114
71 2026-08-23 22:51 639231214931957622
481 ms 210.153.88.114
70 2026-08-23 22:34 639231204962010549
440 ms 210.153.88.114
69 2026-08-23 22:18 639231195170138463
221 ms 210.153.88.114
68 2026-08-23 22:02 639231185235020577
309 ms 210.153.88.114
67 2026-08-23 21:45 639231175558690075
446 ms 210.153.88.114
66 2026-08-23 21:29 639231165610444012
222 ms 210.153.88.114
65 2026-08-23 20:36 639231133806425363
448 ms 210.153.88.114
64 2026-08-23 20:20 639231124203758023
286 ms 210.153.88.114
63 2026-08-23 20:04 639231114428262706
222 ms 210.153.88.114
62 2026-08-23 19:47 639231104662480065
455 ms 210.153.88.114
61 2026-08-23 19:31 639231094840372018
288 ms 210.153.88.114
60 2026-08-23 19:15 639231085024583224
444 ms 210.153.88.114
59 2026-08-23 18:58 639231075257417427
457 ms 210.153.88.114
58 2026-08-23 18:42 639231065516009503
224 ms 210.153.88.114
57 2026-08-23 18:26 639231055805348837
234 ms 210.153.88.114
56 2026-08-23 18:10 639231045980373765
444 ms 210.153.88.114
55 2026-08-23 17:53 639231035984577527
240 ms 210.153.88.114
54 2026-08-23 17:36 639231025928115303
453 ms 210.153.88.114
53 2026-08-23 16:43 639230994250157583
445 ms 210.153.88.114
52 2026-08-23 16:27 639230984476411369
232 ms 210.153.88.114
51 2026-08-23 16:11 639230974838373450
228 ms 210.153.88.114
50 2026-08-23 15:55 639230965244277645
276 ms 210.153.88.114
49 2026-08-23 15:39 639230955522101820
653 ms 210.153.88.114
48 2026-08-23 15:23 639230945754521603
281 ms 210.153.88.114
47 2026-08-23 15:06 639230935852040504
237 ms 210.153.88.114
46 2026-08-23 14:50 639230926222061048
2397 ms 210.153.88.114
45 2026-08-23 14:34 639230916449726907
510 ms 210.153.88.114
44 2026-08-23 14:17 639230906595053086
466 ms 210.153.88.114
43 2026-08-23 14:01 639230896680429441
714 ms 210.153.88.114
42 2026-08-23 13:44 639230886630210965
638 ms 210.153.88.114
41 2026-08-23 12:52 639230855430405719
379 ms 210.153.88.114
40 2026-08-23 12:36 639230845707499136
472 ms 210.153.88.114
39 2026-08-23 12:19 639230836186805419
308 ms 210.153.88.114
38 2026-08-23 12:04 639230826493828316
861 ms 210.153.88.114
37 2026-08-23 11:47 639230816817882996
909 ms 210.153.88.114
36 2026-08-23 11:31 639230806933854189
325 ms 210.153.88.114
35 2026-08-23 11:15 639230797120243854
718 ms 210.153.88.114
34 2026-08-23 10:58 639230787310272840
342 ms 210.153.88.114
33 2026-08-23 10:42 639230777600173142
457 ms 210.153.88.114
32 2026-08-23 10:26 639230767665024593
353 ms 210.153.88.114
31 2026-08-23 10:09 639230757720962293
221 ms 210.153.88.114
30 2026-08-23 09:52 639230747722189784
469 ms 210.153.88.114
29 2026-08-23 09:00 639230716313923480
2379 ms 210.153.88.114
28 2026-08-23 08:44 639230706813835990
220 ms 210.153.88.114
27 2026-08-23 08:28 639230696871062203
282 ms 210.153.88.114
26 2026-08-23 08:11 639230687142781616
224 ms 210.153.88.114
25 2026-08-23 07:55 639230677432142227
225 ms 210.153.88.114
24 2026-08-23 07:39 639230667686258061
443 ms 210.153.88.114
23 2026-08-23 07:23 639230658039243685
447 ms 210.153.88.114
22 2026-08-23 07:07 639230648468473803
2294 ms 210.153.88.114
21 2026-08-23 06:51 639230638829658294
449 ms 210.153.88.114
20 2026-08-23 06:35 639230629247017617
835 ms 210.153.88.114
19 2026-08-23 06:19 639230619625318239
662 ms 210.153.88.114
18 2026-08-23 06:02 639230609697630264
455 ms 210.153.88.114
17 2026-08-23 05:10 639230578570131864
840 ms 210.153.88.114
16 2026-08-23 04:54 639230568958963168
636 ms 210.153.88.114
15 2026-08-23 04:38 639230559287611211
278 ms 210.153.88.114
14 2026-08-23 04:22 639230549524312030
581 ms 210.153.88.114
13 2026-08-23 04:06 639230539739801669
302 ms 210.153.88.114
12 2026-08-23 03:50 639230530084069375
460 ms 210.153.88.114
11 2026-08-23 03:33 639230520362691441
233 ms 210.153.88.114
10 2026-08-23 03:17 639230510677194518
261 ms 210.153.88.114
9 2026-08-23 03:01 639230501156002646
502 ms 210.153.88.114
8 2026-08-23 02:45 639230491502198541
450 ms 210.153.88.114
7 2026-08-23 02:29 639230481860318494
510 ms 210.153.88.114
6 2026-08-23 02:13 639230471893008575
456 ms 210.153.88.114
5 2026-08-23 01:19 639230440030877421
443 ms 210.153.88.114
4 2026-08-23 01:03 639230430479725508
275 ms 210.153.88.114
3 2026-08-23 00:47 639230420875160219
499 ms 210.153.88.114
2 2026-08-23 00:31 639230411240692575
441 ms 210.153.88.114
1 2026-08-23 00:15 639230401550806607
235 ms 210.153.88.114