DNS response history for dns02.keio-internet.info

dns02.keio-internet.info 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 58 DNS check records, 58 successful responses, 0 failed responses, and 271 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 dns02.keio-internet.info.
Records on Selected Date

58

Historical checks stored for this nameserver on selected date

Average Latency

271 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 20:05

All timestamps shown in UTC

Latest Resolved IP on Selected Date

210.164.12.193

Most recently resolved hosting IP on selected date

Successful Responses

58

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 dns02.keio-internet.info

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
58 2026-08-25 20:05 639232848992244953
2028 ms 210.164.12.193
57 2026-08-25 19:47 639232838596478500
159 ms 210.164.12.193
56 2026-08-25 19:30 639232828175327683
37 ms 210.164.12.193
55 2026-08-25 19:13 639232817798330473
161 ms 210.164.12.193
54 2026-08-25 18:19 639232785462407552
57 ms 210.164.12.193
53 2026-08-25 18:02 639232775177487032
71 ms 210.164.12.193
52 2026-08-25 17:45 639232764991087115
24 ms 210.164.12.193
51 2026-08-25 17:28 639232754842971478
39 ms 210.164.12.193
50 2026-08-25 17:11 639232744455159107
163 ms 210.164.12.193
49 2026-08-25 16:53 639232734145178231
27 ms 210.164.12.193
48 2026-08-25 16:36 639232723827874402
317 ms 210.164.12.193
47 2026-08-25 16:19 639232713533011892
29 ms 210.164.12.193
46 2026-08-25 16:02 639232703065318207
384 ms 210.164.12.193
45 2026-08-25 15:44 639232692629559470
83 ms 210.164.12.193
44 2026-08-25 15:27 639232682238836475
49 ms 210.164.12.193
43 2026-08-25 15:10 639232671787004306
174 ms 210.164.12.193
42 2026-08-25 14:15 639232638994329666
259 ms 210.164.12.193
41 2026-08-25 13:58 639232628614783237
37 ms 210.164.12.193
40 2026-08-25 13:40 639232618360728578
20 ms 210.164.12.193
39 2026-08-25 13:23 639232608016476376
2037 ms 210.164.12.193
38 2026-08-25 13:06 639232597643611557
48 ms 210.164.12.193
37 2026-08-25 12:49 639232587225721862
37 ms 210.164.12.193
36 2026-08-25 12:31 639232576780683689
259 ms 210.164.12.193
35 2026-08-25 12:14 639232566381512620
2059 ms 210.164.12.193
34 2026-08-25 11:57 639232556111768563
20 ms 210.164.12.193
33 2026-08-25 11:40 639232545839529039
40 ms 210.164.12.193
32 2026-08-25 11:22 639232535349285207
89 ms 210.164.12.193
31 2026-08-25 11:05 639232524938080723
33 ms 210.164.12.193
30 2026-08-25 10:11 639232492740373468
60 ms 210.164.12.193
29 2026-08-25 09:54 639232482235303141
93 ms 210.164.12.193
28 2026-08-25 09:36 639232471861770303
35 ms 210.164.12.193
27 2026-08-25 09:19 639232461630217327
12 ms 210.164.12.193
26 2026-08-25 09:02 639232451282965990
188 ms 210.164.12.193
25 2026-08-25 08:45 639232440814614938
149 ms 210.164.12.193
24 2026-08-25 08:27 639232430410720425
334 ms 210.164.12.193
23 2026-08-25 08:10 639232420003096185
144 ms 210.164.12.193
22 2026-08-25 07:52 639232409467287444
11 ms 210.164.12.193
21 2026-08-25 07:35 639232399077195997
158 ms 210.164.12.193
20 2026-08-25 07:18 639232388731528337
385 ms 210.164.12.193
19 2026-08-25 07:00 639232378288598612
149 ms 210.164.12.193
18 2026-08-25 06:07 639232346196373643
39 ms 210.164.12.193
17 2026-08-25 05:50 639232336112370741
13 ms 210.164.12.193
16 2026-08-25 05:33 639232326146508970
141 ms 210.164.12.193
15 2026-08-25 05:17 639232316189381720
31 ms 210.164.12.193
14 2026-08-25 05:00 639232306217998913
97 ms 210.164.12.193
13 2026-08-25 04:44 639232296255744174
173 ms 210.164.12.193
12 2026-08-25 04:27 639232286095760789
2107 ms 210.164.12.193
11 2026-08-25 04:10 639232276086186273
2037 ms 210.164.12.193
10 2026-08-25 03:53 639232265900986425
49 ms 210.164.12.193
9 2026-08-25 03:36 639232255723518075
3 ms 210.164.12.193
8 2026-08-25 03:19 639232245484452890
18 ms 210.164.12.193
7 2026-08-25 03:02 639232235157175331
22 ms 210.164.12.193
6 2026-08-25 02:09 639232203197189095
333 ms 210.164.12.193
5 2026-08-25 01:51 639232192844564298
47 ms 210.164.12.193
4 2026-08-25 01:34 639232182496008942
70 ms 210.164.12.193
3 2026-08-25 01:17 639232172197053132
19 ms 210.164.12.193
2 2026-08-25 00:24 639232140250307418
8 ms 210.164.12.193
1 2026-08-25 00:06 639232129927860324
26 ms 210.164.12.193