DNS response history for ns1.withsystems.co.kr

ns1.withsystems.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 20 DNS check records, 20 successful responses, 0 failed responses, and 554 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.withsystems.co.kr.
Records on Selected Date

20

Historical checks stored for this nameserver on selected date

Average Latency

554 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 07:11

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.189.8.153

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 ns1.withsystems.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
20 2026-08-25 07:11 639232378288598612
579 ms 121.189.8.153
19 2026-08-25 06:17 639232346196373643
589 ms 121.189.8.153
18 2026-08-25 06:00 639232336112370741
606 ms 121.189.8.153
17 2026-08-25 05:44 639232326146508970
491 ms 121.189.8.153
16 2026-08-25 05:27 639232316189381720
600 ms 121.189.8.153
15 2026-08-25 05:11 639232306217998913
579 ms 121.189.8.153
14 2026-08-25 04:54 639232296255744174
574 ms 121.189.8.153
13 2026-08-25 04:37 639232286095760789
577 ms 121.189.8.153
12 2026-08-25 04:20 639232276086186273
579 ms 121.189.8.153
11 2026-08-25 04:04 639232265900986425
498 ms 121.189.8.153
10 2026-08-25 03:47 639232255723518075
500 ms 121.189.8.153
9 2026-08-25 03:30 639232245484452890
535 ms 121.189.8.153
8 2026-08-25 03:12 639232235157175331
287 ms 121.189.8.153
7 2026-08-25 02:19 639232203197189095
580 ms 121.189.8.153
6 2026-08-25 02:02 639232192844564298
574 ms 121.189.8.153
5 2026-08-25 01:45 639232182496008942
579 ms 121.189.8.153
4 2026-08-25 01:27 639232172197053132
588 ms 121.189.8.153
3 2026-08-25 00:34 639232140250307418
609 ms 121.189.8.153
2 2026-08-25 00:17 639232129927860324
560 ms 121.189.8.153
1 2026-08-25 00:00 639232119551972438
593 ms 121.189.8.153