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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 321 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

78

Historical checks stored for this nameserver on selected date

Average Latency

321 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:21

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

78

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 2026-08-09 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
78 2026-08-09 23:21 639219137912168440
356 ms 209.81.5.193
77 2026-08-09 23:07 639219129014206359
198 ms 209.81.5.193
76 2026-08-09 22:52 639219120129816185
331 ms 209.81.5.193
75 2026-08-09 22:37 639219111180200055
190 ms 209.81.5.193
74 2026-08-09 22:22 639219102397272208
378 ms 209.81.5.193
73 2026-08-09 22:07 639219093318422880
447 ms 209.81.5.193
72 2026-08-09 21:52 639219084400315753
363 ms 209.81.5.193
71 2026-08-09 21:37 639219075254551587
951 ms 209.81.5.193
70 2026-08-09 21:22 639219065729192158
394 ms 209.81.5.193
69 2026-08-09 21:06 639219056747802098
203 ms 209.81.5.193
68 2026-08-09 20:51 639219047713450952
362 ms 209.81.5.193
67 2026-08-09 20:36 639219038561445315
481 ms 209.81.5.193
66 2026-08-09 19:44 639219007390383771
398 ms 209.81.5.193
65 2026-08-09 19:29 639218998523265596
606 ms 209.81.5.193
64 2026-08-09 19:15 639218989631630804
356 ms 209.81.5.193
63 2026-08-09 19:00 639218980808450892
329 ms 209.81.5.193
62 2026-08-09 18:45 639218971852160604
400 ms 209.81.5.193
61 2026-08-09 18:30 639218962783650906
382 ms 209.81.5.193
60 2026-08-09 18:15 639218953792820819
366 ms 209.81.5.193
59 2026-08-09 18:00 639218944959692876
345 ms 209.81.5.193
58 2026-08-09 17:45 639218936169104506
358 ms 209.81.5.193
57 2026-08-09 17:30 639218927166062556
156 ms 209.81.5.193
56 2026-08-09 17:15 639218918015715420
357 ms 209.81.5.193
55 2026-08-09 17:00 639218908881852638
343 ms 209.81.5.193
54 2026-08-09 16:08 639218877956262035
370 ms 209.81.5.193
53 2026-08-09 15:54 639218869143729797
201 ms 209.81.5.193
52 2026-08-09 15:39 639218860485298832
356 ms 209.81.5.193
51 2026-08-09 15:25 639218851607906747
214 ms 209.81.5.193
50 2026-08-09 15:10 639218842720839568
381 ms 209.81.5.193
49 2026-08-09 14:55 639218833878788864
383 ms 209.81.5.193
48 2026-08-09 14:40 639218825180862573
1359 ms 209.81.5.193
47 2026-08-09 14:26 639218816469621951
180 ms 209.81.5.193
46 2026-08-09 14:11 639218807685036212
367 ms 209.81.5.193
45 2026-08-09 13:57 639218798978271509
438 ms 209.81.5.193
44 2026-08-09 13:42 639218790065423597
369 ms 209.81.5.193
43 2026-08-09 13:27 639218781304584862
327 ms 209.81.5.193
42 2026-08-09 12:36 639218750311179000
290 ms 209.81.5.193
41 2026-08-09 12:21 639218741750420268
155 ms 209.81.5.193
40 2026-08-09 12:07 639218733057535576
166 ms 209.81.5.193
39 2026-08-09 11:53 639218724471329044
338 ms 209.81.5.193
38 2026-08-09 11:38 639218715911974203
156 ms 209.81.5.193
37 2026-08-09 11:24 639218707310812834
157 ms 209.81.5.193
36 2026-08-09 11:10 639218698790485612
351 ms 209.81.5.193
35 2026-08-09 10:56 639218690367692706
156 ms 209.81.5.193
34 2026-08-09 10:41 639218681923173883
164 ms 209.81.5.193
33 2026-08-09 10:27 639218673547179738
344 ms 209.81.5.193
32 2026-08-09 10:13 639218664890274867
156 ms 209.81.5.193
31 2026-08-09 09:59 639218656036928157
155 ms 209.81.5.193
30 2026-08-09 09:07 639218624808018222
407 ms 209.81.5.193
29 2026-08-09 08:52 639218616243340806
360 ms 209.81.5.193
28 2026-08-09 08:38 639218607397811973
199 ms 209.81.5.193
27 2026-08-09 08:23 639218598812444454
172 ms 209.81.5.193
26 2026-08-09 08:09 639218590219570048
473 ms 209.81.5.193
25 2026-08-09 07:55 639218581690210758
32 ms 209.81.5.193
24 2026-08-09 07:40 639218573057388822
335 ms 209.81.5.193
23 2026-08-09 07:26 639218564408781785
197 ms 209.81.5.193
22 2026-08-09 07:12 639218555767188482
197 ms 209.81.5.193
21 2026-08-09 06:57 639218547142705295
161 ms 209.81.5.193
20 2026-08-09 06:42 639218538090114532
356 ms 209.81.5.193
19 2026-08-09 06:27 639218529257910584
321 ms 209.81.5.193
18 2026-08-09 05:36 639218498473231858
355 ms 209.81.5.193
17 2026-08-09 05:22 639218489802113995
199 ms 209.81.5.193
16 2026-08-09 05:07 639218481006804516
199 ms 209.81.5.193
15 2026-08-09 04:53 639218472048712427
379 ms 209.81.5.193
14 2026-08-09 04:38 639218463224432974
323 ms 209.81.5.193
13 2026-08-09 04:23 639218454384107526
349 ms 209.81.5.193
12 2026-08-09 04:08 639218445331231791
339 ms 209.81.5.193
11 2026-08-09 03:53 639218436285215733
191 ms 209.81.5.193
10 2026-08-09 03:38 639218427289555123
352 ms 209.81.5.193
9 2026-08-09 03:23 639218418227819981
155 ms 209.81.5.193
8 2026-08-09 03:08 639218409119503123
329 ms 209.81.5.193
7 2026-08-09 02:52 639218399771712154
368 ms 209.81.5.193
6 2026-08-09 02:00 639218368648652303
330 ms 209.81.5.193
5 2026-08-09 01:45 639218359569598460
332 ms 209.81.5.193
4 2026-08-09 01:30 639218350555429902
155 ms 209.81.5.193
3 2026-08-09 01:15 639218341311543299
335 ms 209.81.5.193
2 2026-08-09 00:23 639218309981981465
192 ms 209.81.5.193
1 2026-08-09 00:07 639218300987184335
329 ms 209.81.5.193