DNS response history for ns1.efktu.or.kr

ns1.efktu.or.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 2026-08-25. For this date, NameServerHistory found 45 DNS check records, 45 successful responses, 0 failed responses, and 637 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.efktu.or.kr.
Records on Selected Date

45

Historical checks stored for this nameserver on selected date

Average Latency

637 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 15:38

All timestamps shown in UTC

Latest Resolved IP on Selected Date

221.156.137.31

Most recently resolved hosting IP on selected date

Successful Responses

45

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.efktu.or.kr

Showing DNS history for 2026-08-25 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
45 2026-08-25 15:38 639232682238836475
308 ms 221.156.137.31
44 2026-08-25 15:21 639232671787004306
604 ms 221.156.137.31
43 2026-08-25 14:26 639232638994329666
603 ms 221.156.137.31
42 2026-08-25 14:09 639232628614783237
840 ms 221.156.137.31
41 2026-08-25 13:52 639232618360728578
603 ms 221.156.137.31
40 2026-08-25 13:34 639232608016476376
599 ms 221.156.137.31
39 2026-08-25 13:17 639232597643611557
612 ms 221.156.137.31
38 2026-08-25 13:00 639232587225721862
607 ms 221.156.137.31
37 2026-08-25 12:42 639232576780683689
834 ms 221.156.137.31
36 2026-08-25 12:25 639232566381512620
616 ms 221.156.137.31
35 2026-08-25 12:08 639232556111768563
596 ms 221.156.137.31
34 2026-08-25 11:51 639232545839529039
598 ms 221.156.137.31
33 2026-08-25 11:33 639232535349285207
595 ms 221.156.137.31
32 2026-08-25 11:16 639232524938080723
579 ms 221.156.137.31
31 2026-08-25 10:22 639232492740373468
597 ms 221.156.137.31
30 2026-08-25 10:05 639232482235303141
590 ms 221.156.137.31
29 2026-08-25 09:47 639232471861770303
596 ms 221.156.137.31
28 2026-08-25 09:30 639232461630217327
842 ms 221.156.137.31
27 2026-08-25 09:13 639232451282965990
587 ms 221.156.137.31
26 2026-08-25 08:56 639232440814614938
838 ms 221.156.137.31
25 2026-08-25 08:38 639232430410720425
634 ms 221.156.137.31
24 2026-08-25 08:21 639232420003096185
584 ms 221.156.137.31
23 2026-08-25 08:04 639232409467287444
835 ms 221.156.137.31
22 2026-08-25 07:46 639232399077195997
591 ms 221.156.137.31
21 2026-08-25 07:29 639232388731528337
588 ms 221.156.137.31
20 2026-08-25 07:12 639232378288598612
598 ms 221.156.137.31
19 2026-08-25 06:18 639232346196373643
576 ms 221.156.137.31
18 2026-08-25 06:01 639232336112370741
592 ms 221.156.137.31
17 2026-08-25 05:44 639232326146508970
605 ms 221.156.137.31
16 2026-08-25 05:28 639232316189381720
591 ms 221.156.137.31
15 2026-08-25 05:11 639232306217998913
830 ms 221.156.137.31
14 2026-08-25 04:54 639232296255744174
581 ms 221.156.137.31
13 2026-08-25 04:38 639232286095760789
586 ms 221.156.137.31
12 2026-08-25 04:21 639232276086186273
834 ms 221.156.137.31
11 2026-08-25 04:04 639232265900986425
601 ms 221.156.137.31
10 2026-08-25 03:47 639232255723518075
597 ms 221.156.137.31
9 2026-08-25 03:30 639232245484452890
590 ms 221.156.137.31
8 2026-08-25 03:13 639232235157175331
577 ms 221.156.137.31
7 2026-08-25 02:20 639232203197189095
581 ms 221.156.137.31
6 2026-08-25 02:03 639232192844564298
838 ms 221.156.137.31
5 2026-08-25 01:45 639232182496008942
837 ms 221.156.137.31
4 2026-08-25 01:28 639232172197053132
586 ms 221.156.137.31
3 2026-08-25 00:34 639232140250307418
592 ms 221.156.137.31
2 2026-08-25 00:18 639232129927860324
597 ms 221.156.137.31
1 2026-08-25 00:00 639232119551972438
595 ms 221.156.137.31