DNS response history for ns1.gusan.co.kr

ns1.gusan.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 61 DNS check records, 61 successful responses, 0 failed responses, and 688 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.gusan.co.kr.
Records on Selected Date

61

Historical checks stored for this nameserver on selected date

Average Latency

688 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 21:07

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.134.171.4

Most recently resolved hosting IP on selected date

Successful Responses

61

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.gusan.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
61 2026-08-25 21:07 639232880143390843
618 ms 121.134.171.4
60 2026-08-25 20:49 639232869755024069
600 ms 121.134.171.4
59 2026-08-25 20:32 639232859355940346
601 ms 121.134.171.4
58 2026-08-25 20:15 639232848992244953
620 ms 121.134.171.4
57 2026-08-25 19:57 639232838596478500
579 ms 121.134.171.4
56 2026-08-25 19:40 639232828175327683
582 ms 121.134.171.4
55 2026-08-25 19:23 639232817798330473
598 ms 121.134.171.4
54 2026-08-25 18:29 639232785462407552
571 ms 121.134.171.4
53 2026-08-25 18:12 639232775177487032
581 ms 121.134.171.4
52 2026-08-25 17:55 639232764991087115
566 ms 121.134.171.4
51 2026-08-25 17:38 639232754842971478
2321 ms 121.134.171.4
50 2026-08-25 17:21 639232744455159107
570 ms 121.134.171.4
49 2026-08-25 17:03 639232734145178231
613 ms 121.134.171.4
48 2026-08-25 16:46 639232723827874402
588 ms 121.134.171.4
47 2026-08-25 16:29 639232713533011892
583 ms 121.134.171.4
46 2026-08-25 16:12 639232703065318207
574 ms 121.134.171.4
45 2026-08-25 15:54 639232692629559470
604 ms 121.134.171.4
44 2026-08-25 15:37 639232682238836475
507 ms 121.134.171.4
43 2026-08-25 15:19 639232671787004306
305 ms 121.134.171.4
42 2026-08-25 14:25 639232638994329666
591 ms 121.134.171.4
41 2026-08-25 14:08 639232628614783237
590 ms 121.134.171.4
40 2026-08-25 13:50 639232618360728578
615 ms 121.134.171.4
39 2026-08-25 13:33 639232608016476376
579 ms 121.134.171.4
38 2026-08-25 13:16 639232597643611557
577 ms 121.134.171.4
37 2026-08-25 12:59 639232587225721862
298 ms 121.134.171.4
36 2026-08-25 12:41 639232576780683689
579 ms 121.134.171.4
35 2026-08-25 12:24 639232566381512620
580 ms 121.134.171.4
34 2026-08-25 12:07 639232556111768563
587 ms 121.134.171.4
33 2026-08-25 11:49 639232545839529039
569 ms 121.134.171.4
32 2026-08-25 11:32 639232535349285207
572 ms 121.134.171.4
31 2026-08-25 11:15 639232524938080723
322 ms 121.134.171.4
30 2026-08-25 10:21 639232492740373468
592 ms 121.134.171.4
29 2026-08-25 10:04 639232482235303141
582 ms 121.134.171.4
28 2026-08-25 09:46 639232471861770303
585 ms 121.134.171.4
27 2026-08-25 09:29 639232461630217327
570 ms 121.134.171.4
26 2026-08-25 09:12 639232451282965990
589 ms 121.134.171.4
25 2026-08-25 08:55 639232440814614938
2008 ms 121.134.171.4
24 2026-08-25 08:37 639232430410720425
10 ms 121.134.171.4
23 2026-08-25 08:20 639232420003096185
578 ms 121.134.171.4
22 2026-08-25 08:02 639232409467287444
2304 ms 121.134.171.4
21 2026-08-25 07:45 639232399077195997
565 ms 121.134.171.4
20 2026-08-25 07:28 639232388731528337
583 ms 121.134.171.4
19 2026-08-25 07:10 639232378288598612
576 ms 121.134.171.4
18 2026-08-25 06:17 639232346196373643
592 ms 121.134.171.4
17 2026-08-25 06:00 639232336112370741
2304 ms 121.134.171.4
16 2026-08-25 05:43 639232326146508970
583 ms 121.134.171.4
15 2026-08-25 05:26 639232316189381720
591 ms 121.134.171.4
14 2026-08-25 05:10 639232306217998913
567 ms 121.134.171.4
13 2026-08-25 04:53 639232296255744174
601 ms 121.134.171.4
12 2026-08-25 04:36 639232286095760789
565 ms 121.134.171.4
11 2026-08-25 04:19 639232276086186273
586 ms 121.134.171.4
10 2026-08-25 04:03 639232265900986425
593 ms 121.134.171.4
9 2026-08-25 03:46 639232255723518075
576 ms 121.134.171.4
8 2026-08-25 03:29 639232245484452890
2297 ms 121.134.171.4
7 2026-08-25 03:12 639232235157175331
612 ms 121.134.171.4
6 2026-08-25 02:18 639232203197189095
577 ms 121.134.171.4
5 2026-08-25 02:01 639232192844564298
353 ms 121.134.171.4
4 2026-08-25 01:44 639232182496008942
571 ms 121.134.171.4
3 2026-08-25 01:27 639232172197053132
297 ms 121.134.171.4
2 2026-08-25 00:33 639232140250307418
561 ms 121.134.171.4
1 2026-08-25 00:16 639232129927860324
566 ms 121.134.171.4