DNS response history for ns1.dns.co.kr

ns1.dns.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 2026-08-25. For this date, NameServerHistory found 58 DNS check records, 58 successful responses, 0 failed responses, and 930 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.dns.co.kr.
Records on Selected Date

58

Historical checks stored for this nameserver on selected date

Average Latency

930 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 19:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.78.127.249

Most recently resolved hosting IP on selected date

Successful Responses

58

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.dns.co.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
58 2026-08-25 19:59 639232838596478500
444 ms 121.78.127.249
57 2026-08-25 19:42 639232828175327683
4574 ms 121.78.127.249
56 2026-08-25 19:24 639232817798330473
1012 ms 121.78.127.249
55 2026-08-25 18:30 639232785462407552
412 ms 121.78.127.249
54 2026-08-25 18:13 639232775177487032
420 ms 121.78.127.249
53 2026-08-25 17:56 639232764991087115
1053 ms 121.78.127.249
52 2026-08-25 17:39 639232754842971478
427 ms 121.78.127.249
51 2026-08-25 17:22 639232744455159107
3020 ms 121.78.127.249
50 2026-08-25 17:05 639232734145178231
1001 ms 121.78.127.249
49 2026-08-25 16:48 639232723827874402
1594 ms 121.78.127.249
48 2026-08-25 16:30 639232713533011892
1632 ms 121.78.127.249
47 2026-08-25 16:13 639232703065318207
501 ms 121.78.127.249
46 2026-08-25 15:56 639232692629559470
412 ms 121.78.127.249
45 2026-08-25 15:38 639232682238836475
444 ms 121.78.127.249
44 2026-08-25 15:21 639232671787004306
1639 ms 121.78.127.249
43 2026-08-25 14:26 639232638994329666
443 ms 121.78.127.249
42 2026-08-25 14:09 639232628614783237
1008 ms 121.78.127.249
41 2026-08-25 13:52 639232618360728578
1618 ms 121.78.127.249
40 2026-08-25 13:35 639232608016476376
1291 ms 121.78.127.249
39 2026-08-25 13:17 639232597643611557
1088 ms 121.78.127.249
38 2026-08-25 13:00 639232587225721862
1851 ms 121.78.127.249
37 2026-08-25 12:43 639232576780683689
430 ms 121.78.127.249
36 2026-08-25 12:25 639232566381512620
450 ms 121.78.127.249
35 2026-08-25 12:08 639232556111768563
432 ms 121.78.127.249
34 2026-08-25 11:51 639232545839529039
1324 ms 121.78.127.249
33 2026-08-25 11:34 639232535349285207
3796 ms 121.78.127.249
32 2026-08-25 11:16 639232524938080723
1053 ms 121.78.127.249
31 2026-08-25 10:22 639232492740373468
450 ms 121.78.127.249
30 2026-08-25 10:05 639232482235303141
1670 ms 121.78.127.249
29 2026-08-25 09:48 639232471861770303
4 ms 121.78.127.249
28 2026-08-25 09:31 639232461630217327
1627 ms 121.78.127.249
27 2026-08-25 09:13 639232451282965990
443 ms 121.78.127.249
26 2026-08-25 08:56 639232440814614938
430 ms 121.78.127.249
25 2026-08-25 08:39 639232430410720425
4 ms 121.78.127.249
24 2026-08-25 08:21 639232420003096185
419 ms 121.78.127.249
23 2026-08-25 08:04 639232409467287444
448 ms 121.78.127.249
22 2026-08-25 07:46 639232399077195997
549 ms 121.78.127.249
21 2026-08-25 07:29 639232388731528337
1681 ms 121.78.127.249
20 2026-08-25 07:12 639232378288598612
1012 ms 121.78.127.249
19 2026-08-25 06:18 639232346196373643
470 ms 121.78.127.249
18 2026-08-25 06:01 639232336112370741
410 ms 121.78.127.249
17 2026-08-25 05:44 639232326146508970
456 ms 121.78.127.249
16 2026-08-25 05:28 639232316189381720
2769 ms 121.78.127.249
15 2026-08-25 05:11 639232306217998913
4 ms 121.78.127.249
14 2026-08-25 04:55 639232296255744174
421 ms 121.78.127.249
13 2026-08-25 04:38 639232286095760789
409 ms 121.78.127.249
12 2026-08-25 04:21 639232276086186273
2008 ms 121.78.127.249
11 2026-08-25 04:04 639232265900986425
447 ms 121.78.127.249
10 2026-08-25 03:47 639232255723518075
462 ms 121.78.127.249
9 2026-08-25 03:30 639232245484452890
437 ms 121.78.127.249
8 2026-08-25 03:13 639232235157175331
429 ms 121.78.127.249
7 2026-08-25 02:20 639232203197189095
472 ms 121.78.127.249
6 2026-08-25 02:03 639232192844564298
435 ms 121.78.127.249
5 2026-08-25 01:45 639232182496008942
421 ms 121.78.127.249
4 2026-08-25 01:28 639232172197053132
437 ms 121.78.127.249
3 2026-08-25 00:35 639232140250307418
438 ms 121.78.127.249
2 2026-08-25 00:18 639232129927860324
427 ms 121.78.127.249
1 2026-08-25 00:00 639232119551972438
473 ms 121.78.127.249