DNS response history for ns2.rootnet.kr

ns2.rootnet.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 197 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 ns2.rootnet.kr.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

197 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

121.78.233.132

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns2.rootnet.kr

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:57 639229527598660841
413 ms 121.78.233.132
72 2026-08-21 23:41 639229517954323214
335 ms 121.78.233.132
71 2026-08-21 23:25 639229508269999021
7 ms 121.78.233.132
70 2026-08-21 23:08 639229498559060171
412 ms 121.78.233.132
69 2026-08-21 22:52 639229488519347586
305 ms 121.78.233.132
68 2026-08-21 21:58 639229456606578934
424 ms 121.78.233.132
67 2026-08-21 21:42 639229446985772499
3 ms 121.78.233.132
66 2026-08-21 21:26 639229437367313098
2 ms 121.78.233.132
65 2026-08-21 21:10 639229427923950391
9 ms 121.78.233.132
64 2026-08-21 20:54 639229418168588854
824 ms 121.78.233.132
63 2026-08-21 20:38 639229408345678334
3 ms 121.78.233.132
62 2026-08-21 20:22 639229398616354648
4 ms 121.78.233.132
61 2026-08-21 20:05 639229388634592323
492 ms 121.78.233.132
60 2026-08-21 19:49 639229378792837692
473 ms 121.78.233.132
59 2026-08-21 19:32 639229369154682311
2 ms 121.78.233.132
58 2026-08-21 19:16 639229359248017926
4 ms 121.78.233.132
57 2026-08-21 18:59 639229349124294642
430 ms 121.78.233.132
56 2026-08-21 18:07 639229317791715692
517 ms 121.78.233.132
55 2026-08-21 17:51 639229308115194575
3 ms 121.78.233.132
54 2026-08-21 17:35 639229298320320558
3 ms 121.78.233.132
53 2026-08-21 17:18 639229288674863221
3 ms 121.78.233.132
52 2026-08-21 17:02 639229278983677079
2008 ms 121.78.233.132
51 2026-08-21 16:46 639229269405517175
4 ms 121.78.233.132
50 2026-08-21 16:30 639229259594798244
4 ms 121.78.233.132
49 2026-08-21 16:14 639229249736681188
341 ms 121.78.233.132
48 2026-08-21 15:57 639229239699417787
-
47 2026-08-21 15:40 639229229621964033
12 ms 121.78.233.132
46 2026-08-21 15:23 639229219567270965
689 ms 121.78.233.132
45 2026-08-21 15:06 639229209406666856
426 ms 121.78.233.132
44 2026-08-21 14:14 639229177815876178
3 ms 121.78.233.132
43 2026-08-21 13:57 639229168243572685
14 ms 121.78.233.132
42 2026-08-21 13:42 639229158599856475
7 ms 121.78.233.132
41 2026-08-21 13:25 639229148998940902
7 ms 121.78.233.132
40 2026-08-21 13:09 639229139276923594
28 ms 121.78.233.132
39 2026-08-21 12:53 639229129709912394
5 ms 121.78.233.132
38 2026-08-21 12:37 639229119801488500
3 ms 121.78.233.132
37 2026-08-21 12:21 639229110135262458
5 ms 121.78.233.132
36 2026-08-21 12:04 639229100336051392
429 ms 121.78.233.132
35 2026-08-21 11:48 639229090641415626
421 ms 121.78.233.132
34 2026-08-21 11:32 639229080702683947
3 ms 121.78.233.132
33 2026-08-21 11:15 639229070601456699
432 ms 121.78.233.132
32 2026-08-21 10:22 639229038947447232
3 ms 121.78.233.132
31 2026-08-21 10:06 639229029268708773
3 ms 121.78.233.132
30 2026-08-21 09:50 639229019647910603
5 ms 121.78.233.132
29 2026-08-21 09:34 639229009983843738
4 ms 121.78.233.132
28 2026-08-21 09:18 639229000203331882
276 ms 121.78.233.132
27 2026-08-21 09:01 639228990302335999
5 ms 121.78.233.132
26 2026-08-21 08:45 639228980567740722
485 ms 121.78.233.132
25 2026-08-21 08:28 639228970762445174
412 ms 121.78.233.132
24 2026-08-21 08:12 639228961065054445
423 ms 121.78.233.132
23 2026-08-21 07:56 639228951224649885
3 ms 121.78.233.132
22 2026-08-21 07:39 639228941303864592
412 ms 121.78.233.132
21 2026-08-21 07:23 639228931191328583
422 ms 121.78.233.132
20 2026-08-21 06:30 639228899518173317
3 ms 121.78.233.132
19 2026-08-21 06:14 639228889785027669
17 ms 121.78.233.132
18 2026-08-21 05:57 639228880106330161
421 ms 121.78.233.132
17 2026-08-21 05:41 639228870316184091
8 ms 121.78.233.132
16 2026-08-21 05:25 639228860695366512
4 ms 121.78.233.132
15 2026-08-21 05:09 639228851027209500
2 ms 121.78.233.132
14 2026-08-21 04:53 639228841479265462
2 ms 121.78.233.132
13 2026-08-21 04:37 639228831752962260
3 ms 121.78.233.132
12 2026-08-21 04:21 639228821953295483
5 ms 121.78.233.132
11 2026-08-21 04:04 639228812227429953
8 ms 121.78.233.132
10 2026-08-21 03:48 639228802476107538
421 ms 121.78.233.132
9 2026-08-21 03:31 639228792525492032
7 ms 121.78.233.132
8 2026-08-21 02:39 639228761131421385
12 ms 121.78.233.132
7 2026-08-21 02:23 639228751571206692
2 ms 121.78.233.132
6 2026-08-21 02:07 639228741705571019
429 ms 121.78.233.132
5 2026-08-21 01:50 639228731642208228
3 ms 121.78.233.132
4 2026-08-21 00:58 639228700387002072
12 ms 121.78.233.132
3 2026-08-21 00:42 639228690742014433
420 ms 121.78.233.132
2 2026-08-21 00:25 639228680877937122
413 ms 121.78.233.132
1 2026-08-21 00:09 639228670775860800
17 ms 121.78.233.132