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 2026-08-26. For this date, NameServerHistory found 71 DNS check records, 71 successful responses, 0 failed responses, and 507 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

71

Historical checks stored for this nameserver on selected date

Average Latency

507 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:58

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

71

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 2026-08-26 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
71 2026-08-26 23:58 639233846871926285
364 ms 209.81.5.193
70 2026-08-26 23:04 639233814527872887
402 ms 209.81.5.193
69 2026-08-26 22:47 639233804315489381
1391 ms 209.81.5.193
68 2026-08-26 22:30 639233793971346256
533 ms 209.81.5.193
67 2026-08-26 22:12 639233783644630463
949 ms 209.81.5.193
66 2026-08-26 21:55 639233773302621314
200 ms 209.81.5.193
65 2026-08-26 21:38 639233762896723748
434 ms 209.81.5.193
64 2026-08-26 21:21 639233752543876329
246 ms 209.81.5.193
63 2026-08-26 21:03 639233742155931788
924 ms 209.81.5.193
62 2026-08-26 20:46 639233731712555311
405 ms 209.81.5.193
61 2026-08-26 20:28 639233721164051126
189 ms 209.81.5.193
60 2026-08-26 20:11 639233710560486320
847 ms 209.81.5.193
59 2026-08-26 19:53 639233699834667450
389 ms 209.81.5.193
58 2026-08-26 18:59 639233667209186136
1088 ms 209.81.5.193
57 2026-08-26 18:41 639233656814316266
425 ms 209.81.5.193
56 2026-08-26 18:24 639233646245051806
674 ms 209.81.5.193
55 2026-08-26 18:06 639233635663779051
279 ms 209.81.5.193
54 2026-08-26 17:48 639233624977342122
556 ms 209.81.5.193
53 2026-08-26 17:31 639233614446136153
936 ms 209.81.5.193
52 2026-08-26 17:13 639233603737877581
384 ms 209.81.5.193
51 2026-08-26 16:55 639233593269224651
591 ms 209.81.5.193
50 2026-08-26 16:38 639233582635086903
426 ms 209.81.5.193
49 2026-08-26 16:20 639233572000374575
576 ms 209.81.5.193
48 2026-08-26 16:02 639233561188633861
337 ms 209.81.5.193
47 2026-08-26 15:44 639233550544357027
168 ms 209.81.5.193
46 2026-08-26 14:50 639233517966053117
532 ms 209.81.5.193
45 2026-08-26 14:32 639233507603253585
340 ms 209.81.5.193
44 2026-08-26 14:15 639233497229039167
474 ms 209.81.5.193
43 2026-08-26 13:58 639233486864546406
359 ms 209.81.5.193
42 2026-08-26 13:41 639233476455174682
357 ms 209.81.5.193
41 2026-08-26 13:23 639233466171592605
674 ms 209.81.5.193
40 2026-08-26 13:06 639233455747096265
1169 ms 209.81.5.193
39 2026-08-26 12:49 639233445367152284
427 ms 209.81.5.193
38 2026-08-26 12:31 639233434974187439
550 ms 209.81.5.193
37 2026-08-26 12:14 639233424567558554
463 ms 209.81.5.193
36 2026-08-26 11:57 639233414056832719
311 ms 209.81.5.193
35 2026-08-26 11:39 639233403515141099
424 ms 209.81.5.193
34 2026-08-26 10:44 639233370841350248
661 ms 209.81.5.193
33 2026-08-26 10:27 639233360361507238
423 ms 209.81.5.193
32 2026-08-26 10:10 639233350067824371
678 ms 209.81.5.193
31 2026-08-26 09:53 639233339545274518
350 ms 209.81.5.193
30 2026-08-26 09:35 639233329214918079
156 ms 209.81.5.193
29 2026-08-26 09:18 639233318749762337
326 ms 209.81.5.193
28 2026-08-26 09:00 639233308387917838
345 ms 209.81.5.193
27 2026-08-26 08:43 639233297961740122
447 ms 209.81.5.193
26 2026-08-26 08:26 639233287487159094
652 ms 209.81.5.193
25 2026-08-26 08:08 639233276995531707
512 ms 209.81.5.193
24 2026-08-26 07:51 639233266521568229
465 ms 209.81.5.193
23 2026-08-26 07:33 639233256081047431
355 ms 209.81.5.193
22 2026-08-26 06:39 639233223620132921
657 ms 209.81.5.193
21 2026-08-26 06:22 639233213287814244
327 ms 209.81.5.193
20 2026-08-26 06:05 639233202925983161
453 ms 209.81.5.193
19 2026-08-26 05:47 639233192644780696
441 ms 209.81.5.193
18 2026-08-26 05:30 639233182401183833
453 ms 209.81.5.193
17 2026-08-26 05:13 639233172074181051
593 ms 209.81.5.193
16 2026-08-26 04:56 639233161808421455
586 ms 209.81.5.193
15 2026-08-26 04:39 639233151357344052
332 ms 209.81.5.193
14 2026-08-26 04:21 639233141034116946
316 ms 209.81.5.193
13 2026-08-26 04:04 639233130828334142
349 ms 209.81.5.193
12 2026-08-26 03:47 639233120373450007
383 ms 209.81.5.193
11 2026-08-26 03:30 639233110066216193
331 ms 209.81.5.193
10 2026-08-26 02:36 639233078065410564
316 ms 209.81.5.193
9 2026-08-26 02:19 639233067787457832
461 ms 209.81.5.193
8 2026-08-26 02:02 639233057501801162
342 ms 209.81.5.193
7 2026-08-26 01:45 639233047089431703
156 ms 209.81.5.193
6 2026-08-26 01:28 639233036754790688
1980 ms 209.81.5.193
5 2026-08-26 01:10 639233026412602472
436 ms 209.81.5.193
4 2026-08-26 00:53 639233016064066127
583 ms 209.81.5.193
3 2026-08-26 00:36 639233005922655772
363 ms 209.81.5.193
2 2026-08-26 00:19 639232995672256907
452 ms 209.81.5.193
1 2026-08-26 00:02 639232985300872416
510 ms 209.81.5.193