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 2026-08-27. For this date, NameServerHistory found 50 DNS check records, 50 successful responses, 0 failed responses, and 543 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

50

Historical checks stored for this nameserver on selected date

Average Latency

543 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 16:49

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

50

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 2026-08-27 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
50 2026-08-27 16:49 639234453500759178
1198 ms 209.81.5.193
49 2026-08-27 16:31 639234442983541638
484 ms 209.81.5.193
48 2026-08-27 16:14 639234432404354562
743 ms 209.81.5.193
47 2026-08-27 15:19 639234399767719119
369 ms 209.81.5.193
46 2026-08-27 15:02 639234389460601485
1378 ms 209.81.5.193
45 2026-08-27 14:45 639234379227178707
416 ms 209.81.5.193
44 2026-08-27 14:28 639234369065315214
577 ms 209.81.5.193
43 2026-08-27 14:11 639234358825501576
431 ms 209.81.5.193
42 2026-08-27 13:54 639234348572745268
580 ms 209.81.5.193
41 2026-08-27 13:37 639234338264503481
643 ms 209.81.5.193
40 2026-08-27 13:20 639234327818741376
339 ms 209.81.5.193
39 2026-08-27 13:02 639234317475724313
325 ms 209.81.5.193
38 2026-08-27 12:45 639234307007468133
551 ms 209.81.5.193
37 2026-08-27 12:27 639234296664302575
452 ms 209.81.5.193
36 2026-08-27 12:10 639234286253196126
339 ms 209.81.5.193
35 2026-08-27 11:16 639234253963286387
422 ms 209.81.5.193
34 2026-08-27 10:59 639234243654907465
562 ms 209.81.5.193
33 2026-08-27 10:42 639234233269654413
290 ms 209.81.5.193
32 2026-08-27 10:25 639234222943951923
194 ms 209.81.5.193
31 2026-08-27 10:07 639234212558002823
769 ms 209.81.5.193
30 2026-08-27 09:50 639234202117531850
562 ms 209.81.5.193
29 2026-08-27 09:33 639234191649612722
795 ms 209.81.5.193
28 2026-08-27 09:15 639234181105879568
533 ms 209.81.5.193
27 2026-08-27 08:58 639234170713214496
598 ms 209.81.5.193
26 2026-08-27 08:40 639234160341037652
367 ms 209.81.5.193
25 2026-08-27 08:23 639234149799404224
1315 ms 209.81.5.193
24 2026-08-27 08:05 639234139553286469
1566 ms 209.81.5.193
23 2026-08-27 07:12 639234107183588293
343 ms 209.81.5.193
22 2026-08-27 06:54 639234096905435724
332 ms 209.81.5.193
21 2026-08-27 06:37 639234086579410775
347 ms 209.81.5.193
20 2026-08-27 06:20 639234076291157956
349 ms 209.81.5.193
19 2026-08-27 06:03 639234065981939454
1395 ms 209.81.5.193
18 2026-08-27 05:46 639234055548642997
532 ms 209.81.5.193
17 2026-08-27 05:28 639234045267979603
1506 ms 209.81.5.193
16 2026-08-27 05:11 639234034999717463
450 ms 209.81.5.193
15 2026-08-27 04:54 639234024739225358
170 ms 209.81.5.193
14 2026-08-27 04:37 639234014311170162
213 ms 209.81.5.193
13 2026-08-27 04:19 639234003806017640
342 ms 209.81.5.193
12 2026-08-27 04:02 639233993356203030
572 ms 209.81.5.193
11 2026-08-27 03:09 639233961301716608
32 ms 209.81.5.193
10 2026-08-27 02:51 639233950834200647
349 ms 209.81.5.193
9 2026-08-27 02:34 639233940431849026
476 ms 209.81.5.193
8 2026-08-27 02:17 639233930110596398
405 ms 209.81.5.193
7 2026-08-27 01:59 639233919705434540
397 ms 209.81.5.193
6 2026-08-27 01:42 639233909452807845
338 ms 209.81.5.193
5 2026-08-27 01:25 639233899096420820
327 ms 209.81.5.193
4 2026-08-27 01:08 639233888707824939
190 ms 209.81.5.193
3 2026-08-27 00:50 639233878461203802
363 ms 209.81.5.193
2 2026-08-27 00:33 639233868060868209
350 ms 209.81.5.193
1 2026-08-27 00:16 639233857450922991
589 ms 209.81.5.193