DNS response history for ns2.a-d.kr

ns2.a-d.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 2026-08-27. For this date, NameServerHistory found 20 DNS check records, 20 successful responses, 0 failed responses, and 388 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.a-d.kr.
Records on Selected Date

20

Historical checks stored for this nameserver on selected date

Average Latency

388 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 06:20

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.141.28.129

Most recently resolved hosting IP on selected date

Successful Responses

20

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.a-d.kr

Showing DNS history for 2026-08-27 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
20 2026-08-27 06:20 639234076291157956
251 ms 121.141.28.129
19 2026-08-27 06:03 639234065981939454
252 ms 121.141.28.129
18 2026-08-27 05:46 639234055548642997
523 ms 121.141.28.129
17 2026-08-27 05:29 639234045267979603
528 ms 121.141.28.129
16 2026-08-27 05:12 639234034999717463
3 ms 121.141.28.129
15 2026-08-27 04:54 639234024739225358
250 ms 121.141.28.129
14 2026-08-27 04:37 639234014311170162
537 ms 121.141.28.129
13 2026-08-27 04:20 639234003806017640
770 ms 121.141.28.129
12 2026-08-27 04:02 639233993356203030
511 ms 121.141.28.129
11 2026-08-27 03:09 639233961301716608
251 ms 121.141.28.129
10 2026-08-27 02:52 639233950834200647
249 ms 121.141.28.129
9 2026-08-27 02:34 639233940431849026
263 ms 121.141.28.129
8 2026-08-27 02:17 639233930110596398
245 ms 121.141.28.129
7 2026-08-27 02:00 639233919705434540
514 ms 121.141.28.129
6 2026-08-27 01:42 639233909452807845
300 ms 121.141.28.129
5 2026-08-27 01:25 639233899096420820
249 ms 121.141.28.129
4 2026-08-27 01:08 639233888707824939
518 ms 121.141.28.129
3 2026-08-27 00:51 639233878461203802
514 ms 121.141.28.129
2 2026-08-27 00:33 639233868060868209
505 ms 121.141.28.129
1 2026-08-27 00:16 639233857450922991
518 ms 121.141.28.129