DNS response history for ns2.isweb.co.kr

ns2.isweb.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 80 DNS check records, 80 successful responses, 0 failed responses, and 119 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.isweb.co.kr.
Records on Selected Date

80

Historical checks stored for this nameserver on selected date

Average Latency

119 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:40

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.66.173.30

Most recently resolved hosting IP on selected date

Successful Responses

80

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 ns2.isweb.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
80 2026-08-25 13:40 639232618360728578
21 ms 172.66.173.30
79 2026-08-25 13:40 639232618360728578
21 ms 104.20.31.159
78 2026-08-25 13:23 639232608016476376
221 ms 104.20.31.159
77 2026-08-25 13:23 639232608016476376
221 ms 172.66.173.30
76 2026-08-25 13:05 639232597643611557
45 ms 172.66.173.30
75 2026-08-25 13:05 639232597643611557
45 ms 104.20.31.159
74 2026-08-25 12:48 639232587225721862
100 ms 104.20.31.159
73 2026-08-25 12:48 639232587225721862
100 ms 172.66.173.30
72 2026-08-25 12:30 639232576780683689
41 ms 172.66.173.30
71 2026-08-25 12:30 639232576780683689
41 ms 104.20.31.159
70 2026-08-25 12:13 639232566381512620
59 ms 172.66.173.30
69 2026-08-25 12:13 639232566381512620
59 ms 104.20.31.159
68 2026-08-25 11:56 639232556111768563
61 ms 104.20.31.159
67 2026-08-25 11:56 639232556111768563
61 ms 172.66.173.30
66 2026-08-25 11:39 639232545839529039
45 ms 172.66.173.30
65 2026-08-25 11:39 639232545839529039
45 ms 104.20.31.159
64 2026-08-25 11:21 639232535349285207
25 ms 104.20.31.159
63 2026-08-25 11:21 639232535349285207
25 ms 172.66.173.30
62 2026-08-25 11:04 639232524938080723
57 ms 104.20.31.159
61 2026-08-25 11:04 639232524938080723
57 ms 172.66.173.30
60 2026-08-25 10:10 639232492740373468
74 ms 172.66.173.30
59 2026-08-25 10:10 639232492740373468
74 ms 104.20.31.159
58 2026-08-25 09:53 639232482235303141
42 ms 104.20.31.159
57 2026-08-25 09:53 639232482235303141
42 ms 172.66.173.30
56 2026-08-25 09:36 639232471861770303
99 ms 172.66.173.30
55 2026-08-25 09:36 639232471861770303
99 ms 104.20.31.159
54 2026-08-25 09:18 639232461630217327
77 ms 104.20.31.159
53 2026-08-25 09:18 639232461630217327
77 ms 172.66.173.30
52 2026-08-25 09:01 639232451282965990
315 ms 104.20.31.159
51 2026-08-25 09:01 639232451282965990
315 ms 172.66.173.30
50 2026-08-25 08:44 639232440814614938
128 ms 172.66.173.30
49 2026-08-25 08:44 639232440814614938
128 ms 104.20.31.159
48 2026-08-25 08:26 639232430410720425
108 ms 104.20.31.159
47 2026-08-25 08:26 639232430410720425
108 ms 172.66.173.30
46 2026-08-25 08:09 639232420003096185
19 ms 104.20.31.159
45 2026-08-25 08:09 639232420003096185
19 ms 172.66.173.30
44 2026-08-25 07:52 639232409467287444
58 ms 172.66.173.30
43 2026-08-25 07:52 639232409467287444
58 ms 104.20.31.159
42 2026-08-25 07:34 639232399077195997
30 ms 172.66.173.30
41 2026-08-25 07:34 639232399077195997
30 ms 104.20.31.159
40 2026-08-25 07:17 639232388731528337
2298 ms 172.66.173.30
39 2026-08-25 07:17 639232388731528337
2298 ms 104.20.31.159
38 2026-08-25 07:00 639232378288598612
37 ms 104.20.31.159
37 2026-08-25 07:00 639232378288598612
37 ms 172.66.173.30
36 2026-08-25 06:06 639232346196373643
50 ms 104.20.31.159
35 2026-08-25 06:06 639232346196373643
50 ms 172.66.173.30
34 2026-08-25 05:49 639232336112370741
43 ms 172.66.173.30
33 2026-08-25 05:49 639232336112370741
43 ms 104.20.31.159
32 2026-08-25 05:33 639232326146508970
228 ms 172.66.173.30
31 2026-08-25 05:33 639232326146508970
228 ms 104.20.31.159
30 2026-08-25 05:16 639232316189381720
27 ms 172.66.173.30
29 2026-08-25 05:16 639232316189381720
27 ms 104.20.31.159
28 2026-08-25 04:59 639232306217998913
54 ms 172.66.173.30
27 2026-08-25 04:59 639232306217998913
54 ms 104.20.31.159
26 2026-08-25 04:43 639232296255744174
8 ms 104.20.31.159
25 2026-08-25 04:43 639232296255744174
8 ms 172.66.173.30
24 2026-08-25 04:26 639232286095760789
66 ms 172.66.173.30
23 2026-08-25 04:26 639232286095760789
66 ms 104.20.31.159
22 2026-08-25 04:09 639232276086186273
17 ms 104.20.31.159
21 2026-08-25 04:09 639232276086186273
17 ms 172.66.173.30
20 2026-08-25 03:52 639232265900986425
11 ms 172.66.173.30
19 2026-08-25 03:52 639232265900986425
11 ms 104.20.31.159
18 2026-08-25 03:35 639232255723518075
33 ms 104.20.31.159
17 2026-08-25 03:35 639232255723518075
33 ms 172.66.173.30
16 2026-08-25 03:18 639232245484452890
29 ms 172.66.173.30
15 2026-08-25 03:18 639232245484452890
29 ms 104.20.31.159
14 2026-08-25 03:01 639232235157175331
16 ms 172.66.173.30
13 2026-08-25 03:01 639232235157175331
16 ms 104.20.31.159
12 2026-08-25 02:08 639232203197189095
34 ms 104.20.31.159
11 2026-08-25 02:08 639232203197189095
34 ms 172.66.173.30
10 2026-08-25 01:51 639232192844564298
46 ms 172.66.173.30
9 2026-08-25 01:51 639232192844564298
46 ms 104.20.31.159
8 2026-08-25 01:33 639232182496008942
61 ms 104.20.31.159
7 2026-08-25 01:33 639232182496008942
61 ms 172.66.173.30
6 2026-08-25 01:16 639232172197053132
12 ms 172.66.173.30
5 2026-08-25 01:16 639232172197053132
12 ms 104.20.31.159
4 2026-08-25 00:23 639232140250307418
53 ms 172.66.173.30
3 2026-08-25 00:23 639232140250307418
53 ms 104.20.31.159
2 2026-08-25 00:06 639232129927860324
17 ms 172.66.173.30
1 2026-08-25 00:06 639232129927860324
17 ms 104.20.31.159