DNS response history for cesium.clock.org

cesium.clock.org 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 68 DNS check records, 68 successful responses, 0 failed responses, and 453 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 cesium.clock.org.
Records on Selected Date

68

Historical checks stored for this nameserver on selected date

Average Latency

453 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 23:44

All timestamps shown in UTC

Latest Resolved IP on Selected Date

209.81.5.193

Most recently resolved hosting IP on selected date

Successful Responses

68

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 cesium.clock.org

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
68 2026-08-25 23:44 639232974980190573
528 ms 209.81.5.193
67 2026-08-25 23:27 639232964577050707
415 ms 209.81.5.193
66 2026-08-25 22:33 639232932163142799
660 ms 209.81.5.193
65 2026-08-25 22:16 639232921673215474
461 ms 209.81.5.193
64 2026-08-25 21:58 639232911234504639
556 ms 209.81.5.193
63 2026-08-25 21:41 639232900747078453
213 ms 209.81.5.193
62 2026-08-25 21:24 639232890389222534
608 ms 209.81.5.193
61 2026-08-25 21:06 639232880143390843
348 ms 209.81.5.193
60 2026-08-25 20:49 639232869755024069
2200 ms 209.81.5.193
59 2026-08-25 20:32 639232859355940346
471 ms 209.81.5.193
58 2026-08-25 20:15 639232848992244953
1468 ms 209.81.5.193
57 2026-08-25 19:57 639232838596478500
954 ms 209.81.5.193
56 2026-08-25 19:40 639232828175327683
565 ms 209.81.5.193
55 2026-08-25 19:23 639232817798330473
352 ms 209.81.5.193
54 2026-08-25 18:29 639232785462407552
346 ms 209.81.5.193
53 2026-08-25 18:12 639232775177487032
347 ms 209.81.5.193
52 2026-08-25 17:54 639232764991087115
322 ms 209.81.5.193
51 2026-08-25 17:38 639232754842971478
376 ms 209.81.5.193
50 2026-08-25 17:20 639232744455159107
347 ms 209.81.5.193
49 2026-08-25 17:03 639232734145178231
358 ms 209.81.5.193
48 2026-08-25 16:46 639232723827874402
348 ms 209.81.5.193
47 2026-08-25 16:29 639232713533011892
353 ms 209.81.5.193
46 2026-08-25 16:12 639232703065318207
361 ms 209.81.5.193
45 2026-08-25 15:54 639232692629559470
383 ms 209.81.5.193
44 2026-08-25 15:37 639232682238836475
339 ms 209.81.5.193
43 2026-08-25 15:19 639232671787004306
987 ms 209.81.5.193
42 2026-08-25 14:25 639232638994329666
340 ms 209.81.5.193
41 2026-08-25 14:07 639232628614783237
563 ms 209.81.5.193
40 2026-08-25 13:50 639232618360728578
337 ms 209.81.5.193
39 2026-08-25 13:33 639232608016476376
375 ms 209.81.5.193
38 2026-08-25 13:16 639232597643611557
990 ms 209.81.5.193
37 2026-08-25 12:58 639232587225721862
349 ms 209.81.5.193
36 2026-08-25 12:41 639232576780683689
406 ms 209.81.5.193
35 2026-08-25 12:24 639232566381512620
332 ms 209.81.5.193
34 2026-08-25 12:06 639232556111768563
357 ms 209.81.5.193
33 2026-08-25 11:49 639232545839529039
345 ms 209.81.5.193
32 2026-08-25 11:32 639232535349285207
513 ms 209.81.5.193
31 2026-08-25 11:15 639232524938080723
683 ms 209.81.5.193
30 2026-08-25 10:21 639232492740373468
364 ms 209.81.5.193
29 2026-08-25 10:04 639232482235303141
334 ms 209.81.5.193
28 2026-08-25 09:46 639232471861770303
335 ms 209.81.5.193
27 2026-08-25 09:29 639232461630217327
365 ms 209.81.5.193
26 2026-08-25 09:12 639232451282965990
341 ms 209.81.5.193
25 2026-08-25 08:54 639232440814614938
209 ms 209.81.5.193
24 2026-08-25 08:37 639232430410720425
365 ms 209.81.5.193
23 2026-08-25 08:20 639232420003096185
351 ms 209.81.5.193
22 2026-08-25 08:02 639232409467287444
361 ms 209.81.5.193
21 2026-08-25 07:45 639232399077195997
335 ms 209.81.5.193
20 2026-08-25 07:27 639232388731528337
337 ms 209.81.5.193
19 2026-08-25 07:10 639232378288598612
422 ms 209.81.5.193
18 2026-08-25 06:16 639232346196373643
351 ms 209.81.5.193
17 2026-08-25 06:00 639232336112370741
338 ms 209.81.5.193
16 2026-08-25 05:43 639232326146508970
325 ms 209.81.5.193
15 2026-08-25 05:26 639232316189381720
339 ms 209.81.5.193
14 2026-08-25 05:10 639232306217998913
333 ms 209.81.5.193
13 2026-08-25 04:53 639232296255744174
318 ms 209.81.5.193
12 2026-08-25 04:36 639232286095760789
343 ms 209.81.5.193
11 2026-08-25 04:19 639232276086186273
375 ms 209.81.5.193
10 2026-08-25 04:03 639232265900986425
329 ms 209.81.5.193
9 2026-08-25 03:46 639232255723518075
366 ms 209.81.5.193
8 2026-08-25 03:29 639232245484452890
378 ms 209.81.5.193
7 2026-08-25 03:12 639232235157175331
382 ms 209.81.5.193
6 2026-08-25 02:18 639232203197189095
360 ms 209.81.5.193
5 2026-08-25 02:01 639232192844564298
347 ms 209.81.5.193
4 2026-08-25 01:44 639232182496008942
471 ms 209.81.5.193
3 2026-08-25 01:27 639232172197053132
344 ms 209.81.5.193
2 2026-08-25 00:33 639232140250307418
358 ms 209.81.5.193
1 2026-08-25 00:16 639232129927860324
352 ms 209.81.5.193