DNS response history for ns1.sisul.or.kr

ns1.sisul.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 2026-08-24. For this date, NameServerHistory found 50 DNS check records, 35 successful responses, 15 failed responses, and 1519 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.sisul.or.kr.
Records on Selected Date

50

Historical checks stored for this nameserver on selected date

Average Latency

1519 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 21:07

All timestamps shown in UTC

Latest Resolved IP on Selected Date

210.104.21.2

Most recently resolved hosting IP on selected date

Successful Responses

35

Checks that returned a measurable response

Failed Responses

15

Checks with no response or no returned latency

Failure Rate

30%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.sisul.or.kr

Showing DNS history for 2026-08-24 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
50 2026-08-24 21:07 639232014356623395
612 ms 210.104.21.2
49 2026-08-24 20:49 639232004177831322
-
48 2026-08-24 20:32 639231993997863976
626 ms 210.104.21.2
47 2026-08-24 20:15 639231983967363696
611 ms 210.104.21.2
46 2026-08-24 19:22 639231952257842845
611 ms 210.104.21.2
45 2026-08-24 19:06 639231942277816756
4631 ms 210.104.21.2
44 2026-08-24 18:49 639231932094180724
2007 ms 210.104.21.2
43 2026-08-24 18:32 639231922041034838
-
42 2026-08-24 17:39 639231890488117536
2008 ms 210.104.21.2
41 2026-08-24 17:23 639231880574255543
2007 ms 210.104.21.2
40 2026-08-24 17:06 639231870418029045
595 ms 210.104.21.2
39 2026-08-24 16:49 639231860258429562
4010 ms 210.104.21.2
38 2026-08-24 15:56 639231828211839931
2298 ms 210.104.21.2
37 2026-08-24 15:39 639231818080917481
610 ms 210.104.21.2
36 2026-08-24 15:22 639231807961539652
2032 ms 210.104.21.2
35 2026-08-24 15:05 639231797631669865
4009 ms 210.104.21.2
34 2026-08-24 14:12 639231765923559455
-
33 2026-08-24 13:55 639231755868832964
2305 ms 210.104.21.2
32 2026-08-24 13:38 639231745628278877
-
31 2026-08-24 13:21 639231735407682062
604 ms 210.104.21.2
30 2026-08-24 12:28 639231703815441688
4009 ms 210.104.21.2
29 2026-08-24 12:12 639231693747052549
611 ms 210.104.21.2
28 2026-08-24 11:55 639231683712487276
898 ms 210.104.21.2
27 2026-08-24 11:38 639231673513573868
604 ms 210.104.21.2
26 2026-08-24 10:45 639231641791249939
-
25 2026-08-24 10:28 639231631866211033
3310 ms 210.104.21.2
24 2026-08-24 10:12 639231621644955316
-
23 2026-08-24 09:55 639231611478799259
-
22 2026-08-24 09:02 639231579923718211
3 ms 210.104.21.2
21 2026-08-24 08:45 639231569810702936
3 ms 210.104.21.2
20 2026-08-24 08:28 639231559762411619
762 ms 210.104.21.2
19 2026-08-24 08:12 639231549663595407
615 ms 210.104.21.2
18 2026-08-24 07:18 639231518076817246
625 ms 210.104.21.2
17 2026-08-24 07:02 639231508078650885
2301 ms 210.104.21.2
16 2026-08-24 06:45 639231498210697093
2300 ms 210.104.21.2
15 2026-08-24 06:29 639231488109699360
2007 ms 210.104.21.2
14 2026-08-24 05:36 639231456772510692
-
13 2026-08-24 05:20 639231447084631185
-
12 2026-08-24 05:04 639231437208519473
4 ms 210.104.21.2
11 2026-08-24 04:47 639231427209627490
2617 ms 210.104.21.2
10 2026-08-24 03:54 639231395791246644
2300 ms 210.104.21.2
9 2026-08-24 03:38 639231386075551458
-
8 2026-08-24 03:22 639231376208713791
3 ms 210.104.21.2
7 2026-08-24 03:06 639231366170589276
609 ms 210.104.21.2
6 2026-08-24 02:13 639231334732159368
-
5 2026-08-24 01:57 639231325035670078
-
4 2026-08-24 01:40 639231315132253837
-
3 2026-08-24 01:24 639231305014280808
-
2 2026-08-24 00:31 639231273779380675
-
1 2026-08-24 00:15 639231264180839154
2 ms 210.104.21.2