DNS response history for ns4.bookcube.co.kr

ns4.bookcube.co.kr 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 2026-08-26. For this date, NameServerHistory found 18 DNS check records, 18 successful responses, 0 failed responses, and 611 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 ns4.bookcube.co.kr.
Records on Selected Date

18

Historical checks stored for this nameserver on selected date

Average Latency

611 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 05:30

All timestamps shown in UTC

Latest Resolved IP on Selected Date

101.202.40.126

Most recently resolved hosting IP on selected date

Successful Responses

18

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 ns4.bookcube.co.kr

Showing DNS history for 2026-08-26 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
18 2026-08-26 05:30 639233182401183833
548 ms 101.202.40.126
17 2026-08-26 05:13 639233172074181051
493 ms 101.202.40.126
16 2026-08-26 04:56 639233161808421455
496 ms 101.202.40.126
15 2026-08-26 04:39 639233151357344052
521 ms 101.202.40.126
14 2026-08-26 04:21 639233141034116946
527 ms 101.202.40.126
13 2026-08-26 04:04 639233130828334142
488 ms 101.202.40.126
12 2026-08-26 03:47 639233120373450007
535 ms 101.202.40.126
11 2026-08-26 03:30 639233110066216193
2541 ms 101.202.40.126
10 2026-08-26 02:37 639233078065410564
490 ms 101.202.40.126
9 2026-08-26 02:19 639233067787457832
314 ms 101.202.40.126
8 2026-08-26 02:02 639233057501801162
539 ms 101.202.40.126
7 2026-08-26 01:45 639233047089431703
526 ms 101.202.40.126
6 2026-08-26 01:28 639233036754790688
495 ms 101.202.40.126
5 2026-08-26 01:11 639233026412602472
497 ms 101.202.40.126
4 2026-08-26 00:53 639233016064066127
489 ms 101.202.40.126
3 2026-08-26 00:36 639233005922655772
491 ms 101.202.40.126
2 2026-08-26 00:19 639232995672256907
516 ms 101.202.40.126
1 2026-08-26 00:02 639232985300872416
494 ms 101.202.40.126