History for ns1.sys21.kr
Domain: sys21.kr • Tracking since 2026-08-04 23:25 UTC
DNS response history for ns1.sys21.kr
ns1.sys21.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 112 DNS check records, 112 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.sys21.kr.
Records on Selected Date
112
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 19:24
All timestamps shown in UTC
Latest Resolved IP on Selected Date
192.168.0.7
Most recently resolved hosting IP on selected date
Successful Responses
112
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.sys21.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 |
|---|---|---|---|---|---|
| 112 | 2026-08-25 19:24 | 639232817798330473 |
|
628 ms | 192.168.0.7 |
| 111 | 2026-08-25 19:24 | 639232817798330473 |
|
628 ms | 192.168.0.5 |
| 110 | 2026-08-25 18:30 | 639232785462407552 |
|
623 ms | 192.168.0.7 |
| 109 | 2026-08-25 18:30 | 639232785462407552 |
|
623 ms | 192.168.0.5 |
| 108 | 2026-08-25 18:13 | 639232775177487032 |
|
3 ms | 192.168.0.7 |
| 107 | 2026-08-25 18:13 | 639232775177487032 |
|
3 ms | 192.168.0.5 |
| 106 | 2026-08-25 17:56 | 639232764991087115 |
|
600 ms | 192.168.0.7 |
| 105 | 2026-08-25 17:56 | 639232764991087115 |
|
600 ms | 192.168.0.5 |
| 104 | 2026-08-25 17:39 | 639232754842971478 |
|
624 ms | 192.168.0.7 |
| 103 | 2026-08-25 17:39 | 639232754842971478 |
|
624 ms | 192.168.0.5 |
| 102 | 2026-08-25 17:22 | 639232744455159107 |
|
4 ms | 192.168.0.5 |
| 101 | 2026-08-25 17:22 | 639232744455159107 |
|
4 ms | 192.168.0.7 |
| 100 | 2026-08-25 17:04 | 639232734145178231 |
|
595 ms | 192.168.0.5 |
| 99 | 2026-08-25 17:04 | 639232734145178231 |
|
595 ms | 192.168.0.7 |
| 98 | 2026-08-25 16:47 | 639232723827874402 |
|
606 ms | 192.168.0.7 |
| 97 | 2026-08-25 16:47 | 639232723827874402 |
|
606 ms | 192.168.0.5 |
| 96 | 2026-08-25 16:30 | 639232713533011892 |
|
627 ms | 192.168.0.5 |
| 95 | 2026-08-25 16:30 | 639232713533011892 |
|
627 ms | 192.168.0.7 |
| 94 | 2026-08-25 16:13 | 639232703065318207 |
|
610 ms | 192.168.0.7 |
| 93 | 2026-08-25 16:13 | 639232703065318207 |
|
610 ms | 192.168.0.5 |
| 92 | 2026-08-25 15:55 | 639232692629559470 |
|
630 ms | 192.168.0.5 |
| 91 | 2026-08-25 15:55 | 639232692629559470 |
|
630 ms | 192.168.0.7 |
| 90 | 2026-08-25 15:38 | 639232682238836475 |
|
1476 ms | 192.168.0.5 |
| 89 | 2026-08-25 15:38 | 639232682238836475 |
|
1476 ms | 192.168.0.7 |
| 88 | 2026-08-25 15:20 | 639232671787004306 |
|
625 ms | 192.168.0.5 |
| 87 | 2026-08-25 15:20 | 639232671787004306 |
|
625 ms | 192.168.0.7 |
| 86 | 2026-08-25 14:26 | 639232638994329666 |
|
1634 ms | 192.168.0.7 |
| 85 | 2026-08-25 14:26 | 639232638994329666 |
|
1634 ms | 192.168.0.5 |
| 84 | 2026-08-25 14:09 | 639232628614783237 |
|
658 ms | 192.168.0.7 |
| 83 | 2026-08-25 14:09 | 639232628614783237 |
|
658 ms | 192.168.0.5 |
| 82 | 2026-08-25 13:51 | 639232618360728578 |
|
629 ms | 192.168.0.5 |
| 81 | 2026-08-25 13:51 | 639232618360728578 |
|
629 ms | 192.168.0.7 |
| 80 | 2026-08-25 13:34 | 639232608016476376 |
|
639 ms | 192.168.0.5 |
| 79 | 2026-08-25 13:34 | 639232608016476376 |
|
639 ms | 192.168.0.7 |
| 78 | 2026-08-25 13:17 | 639232597643611557 |
|
634 ms | 192.168.0.7 |
| 77 | 2026-08-25 13:17 | 639232597643611557 |
|
634 ms | 192.168.0.5 |
| 76 | 2026-08-25 13:00 | 639232587225721862 |
|
3 ms | 192.168.0.5 |
| 75 | 2026-08-25 13:00 | 639232587225721862 |
|
3 ms | 192.168.0.7 |
| 74 | 2026-08-25 12:42 | 639232576780683689 |
|
608 ms | 192.168.0.7 |
| 73 | 2026-08-25 12:42 | 639232576780683689 |
|
608 ms | 192.168.0.5 |
| 72 | 2026-08-25 12:25 | 639232566381512620 |
|
4 ms | 192.168.0.7 |
| 71 | 2026-08-25 12:25 | 639232566381512620 |
|
4 ms | 192.168.0.5 |
| 70 | 2026-08-25 12:08 | 639232556111768563 |
|
588 ms | 192.168.0.7 |
| 69 | 2026-08-25 12:08 | 639232556111768563 |
|
588 ms | 192.168.0.5 |
| 68 | 2026-08-25 11:50 | 639232545839529039 |
|
609 ms | 192.168.0.5 |
| 67 | 2026-08-25 11:50 | 639232545839529039 |
|
609 ms | 192.168.0.7 |
| 66 | 2026-08-25 11:33 | 639232535349285207 |
|
623 ms | 192.168.0.7 |
| 65 | 2026-08-25 11:33 | 639232535349285207 |
|
623 ms | 192.168.0.5 |
| 64 | 2026-08-25 11:16 | 639232524938080723 |
|
616 ms | 192.168.0.5 |
| 63 | 2026-08-25 11:16 | 639232524938080723 |
|
616 ms | 192.168.0.7 |
| 62 | 2026-08-25 10:22 | 639232492740373468 |
|
580 ms | 192.168.0.7 |
| 61 | 2026-08-25 10:22 | 639232492740373468 |
|
580 ms | 192.168.0.5 |
| 60 | 2026-08-25 10:05 | 639232482235303141 |
|
595 ms | 192.168.0.7 |
| 59 | 2026-08-25 10:05 | 639232482235303141 |
|
595 ms | 192.168.0.5 |
| 58 | 2026-08-25 09:47 | 639232471861770303 |
|
619 ms | 192.168.0.5 |
| 57 | 2026-08-25 09:47 | 639232471861770303 |
|
619 ms | 192.168.0.7 |
| 56 | 2026-08-25 09:30 | 639232461630217327 |
|
654 ms | 192.168.0.7 |
| 55 | 2026-08-25 09:30 | 639232461630217327 |
|
654 ms | 192.168.0.5 |
| 54 | 2026-08-25 09:13 | 639232451282965990 |
|
904 ms | 192.168.0.7 |
| 53 | 2026-08-25 09:13 | 639232451282965990 |
|
904 ms | 192.168.0.5 |
| 52 | 2026-08-25 08:56 | 639232440814614938 |
|
828 ms | 192.168.0.7 |
| 51 | 2026-08-25 08:56 | 639232440814614938 |
|
828 ms | 192.168.0.5 |
| 50 | 2026-08-25 08:38 | 639232430410720425 |
|
890 ms | 192.168.0.7 |
| 49 | 2026-08-25 08:38 | 639232430410720425 |
|
890 ms | 192.168.0.5 |
| 48 | 2026-08-25 08:21 | 639232420003096185 |
|
588 ms | 192.168.0.7 |
| 47 | 2026-08-25 08:21 | 639232420003096185 |
|
588 ms | 192.168.0.5 |
| 46 | 2026-08-25 08:03 | 639232409467287444 |
|
632 ms | 192.168.0.5 |
| 45 | 2026-08-25 08:03 | 639232409467287444 |
|
632 ms | 192.168.0.7 |
| 44 | 2026-08-25 07:46 | 639232399077195997 |
|
618 ms | 192.168.0.5 |
| 43 | 2026-08-25 07:46 | 639232399077195997 |
|
618 ms | 192.168.0.7 |
| 42 | 2026-08-25 07:29 | 639232388731528337 |
|
1098 ms | 192.168.0.7 |
| 41 | 2026-08-25 07:29 | 639232388731528337 |
|
1098 ms | 192.168.0.5 |
| 40 | 2026-08-25 07:11 | 639232378288598612 |
|
598 ms | 192.168.0.7 |
| 39 | 2026-08-25 07:11 | 639232378288598612 |
|
598 ms | 192.168.0.5 |
| 38 | 2026-08-25 06:17 | 639232346196373643 |
|
634 ms | 192.168.0.7 |
| 37 | 2026-08-25 06:17 | 639232346196373643 |
|
634 ms | 192.168.0.5 |
| 36 | 2026-08-25 06:01 | 639232336112370741 |
|
3 ms | 192.168.0.5 |
| 35 | 2026-08-25 06:01 | 639232336112370741 |
|
3 ms | 192.168.0.7 |
| 34 | 2026-08-25 05:44 | 639232326146508970 |
|
615 ms | 192.168.0.5 |
| 33 | 2026-08-25 05:44 | 639232326146508970 |
|
615 ms | 192.168.0.7 |
| 32 | 2026-08-25 05:27 | 639232316189381720 |
|
2837 ms | 192.168.0.5 |
| 31 | 2026-08-25 05:27 | 639232316189381720 |
|
2837 ms | 192.168.0.7 |
| 30 | 2026-08-25 05:11 | 639232306217998913 |
|
627 ms | 192.168.0.7 |
| 29 | 2026-08-25 05:11 | 639232306217998913 |
|
627 ms | 192.168.0.5 |
| 28 | 2026-08-25 04:54 | 639232296255744174 |
|
645 ms | 192.168.0.5 |
| 27 | 2026-08-25 04:54 | 639232296255744174 |
|
645 ms | 192.168.0.7 |
| 26 | 2026-08-25 04:37 | 639232286095760789 |
|
627 ms | 192.168.0.7 |
| 25 | 2026-08-25 04:37 | 639232286095760789 |
|
627 ms | 192.168.0.5 |
| 24 | 2026-08-25 04:20 | 639232276086186273 |
|
625 ms | 192.168.0.5 |
| 23 | 2026-08-25 04:20 | 639232276086186273 |
|
625 ms | 192.168.0.7 |
| 22 | 2026-08-25 04:04 | 639232265900986425 |
|
2 ms | 192.168.0.5 |
| 21 | 2026-08-25 04:04 | 639232265900986425 |
|
2 ms | 192.168.0.7 |
| 20 | 2026-08-25 03:47 | 639232255723518075 |
|
642 ms | 192.168.0.5 |
| 19 | 2026-08-25 03:47 | 639232255723518075 |
|
642 ms | 192.168.0.7 |
| 18 | 2026-08-25 03:30 | 639232245484452890 |
|
588 ms | 192.168.0.5 |
| 17 | 2026-08-25 03:30 | 639232245484452890 |
|
588 ms | 192.168.0.7 |
| 16 | 2026-08-25 03:13 | 639232235157175331 |
|
625 ms | 192.168.0.7 |
| 15 | 2026-08-25 03:13 | 639232235157175331 |
|
625 ms | 192.168.0.5 |
| 14 | 2026-08-25 02:19 | 639232203197189095 |
|
648 ms | 192.168.0.7 |
| 13 | 2026-08-25 02:19 | 639232203197189095 |
|
648 ms | 192.168.0.5 |
| 12 | 2026-08-25 02:02 | 639232192844564298 |
|
625 ms | 192.168.0.7 |
| 11 | 2026-08-25 02:02 | 639232192844564298 |
|
625 ms | 192.168.0.5 |
| 10 | 2026-08-25 01:45 | 639232182496008942 |
|
614 ms | 192.168.0.5 |
| 9 | 2026-08-25 01:45 | 639232182496008942 |
|
614 ms | 192.168.0.7 |
| 8 | 2026-08-25 01:28 | 639232172197053132 |
|
595 ms | 192.168.0.7 |
| 7 | 2026-08-25 01:28 | 639232172197053132 |
|
595 ms | 192.168.0.5 |
| 6 | 2026-08-25 00:34 | 639232140250307418 |
|
2 ms | 192.168.0.7 |
| 5 | 2026-08-25 00:34 | 639232140250307418 |
|
2 ms | 192.168.0.5 |
| 4 | 2026-08-25 00:17 | 639232129927860324 |
|
608 ms | 192.168.0.7 |
| 3 | 2026-08-25 00:17 | 639232129927860324 |
|
608 ms | 192.168.0.5 |
| 2 | 2026-08-25 00:00 | 639232119551972438 |
|
624 ms | 192.168.0.5 |
| 1 | 2026-08-25 00:00 | 639232119551972438 |
|
624 ms | 192.168.0.7 |