DNS response history for dns.ctsystem.com

dns.ctsystem.com 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 71 successful responses, 2 failed responses, and 352 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 dns.ctsystem.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

352 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

211.21.79.38

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for dns.ctsystem.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:59 639229527598660841
2 ms 211.21.79.38
72 2026-08-21 23:43 639229517954323214
3 ms 211.21.79.38
71 2026-08-21 23:27 639229508269999021
600 ms 211.21.79.38
70 2026-08-21 23:11 639229498559060171
631 ms 211.21.79.38
69 2026-08-21 22:55 639229488519347586
-
68 2026-08-21 22:01 639229456606578934
1207 ms 211.21.79.38
67 2026-08-21 21:45 639229446985772499
627 ms 211.21.79.38
66 2026-08-21 21:29 639229437367313098
8 ms 211.21.79.38
65 2026-08-21 21:13 639229427923950391
2 ms 211.21.79.38
64 2026-08-21 20:57 639229418168588854
5 ms 211.21.79.38
63 2026-08-21 20:41 639229408345678334
607 ms 211.21.79.38
62 2026-08-21 20:25 639229398616354648
618 ms 211.21.79.38
61 2026-08-21 20:08 639229388634592323
593 ms 211.21.79.38
60 2026-08-21 19:52 639229378792837692
321 ms 211.21.79.38
59 2026-08-21 19:35 639229369154682311
4 ms 211.21.79.38
58 2026-08-21 19:19 639229359248017926
603 ms 211.21.79.38
57 2026-08-21 19:02 639229349124294642
592 ms 211.21.79.38
56 2026-08-21 18:10 639229317791715692
3 ms 211.21.79.38
55 2026-08-21 17:54 639229308115194575
3 ms 211.21.79.38
54 2026-08-21 17:38 639229298320320558
601 ms 211.21.79.38
53 2026-08-21 17:21 639229288674863221
605 ms 211.21.79.38
52 2026-08-21 17:05 639229278983677079
249 ms 211.21.79.38
51 2026-08-21 16:49 639229269405517175
3 ms 211.21.79.38
50 2026-08-21 16:33 639229259594798244
621 ms 211.21.79.38
49 2026-08-21 16:17 639229249736681188
2 ms 211.21.79.38
48 2026-08-21 16:00 639229239699417787
3 ms 211.21.79.38
47 2026-08-21 15:43 639229229621964033
4 ms 211.21.79.38
46 2026-08-21 15:26 639229219567270965
630 ms 211.21.79.38
45 2026-08-21 15:10 639229209406666856
614 ms 211.21.79.38
44 2026-08-21 14:17 639229177815876178
2 ms 211.21.79.38
43 2026-08-21 14:00 639229168243572685
301 ms 211.21.79.38
42 2026-08-21 13:44 639229158599856475
7 ms 211.21.79.38
41 2026-08-21 13:28 639229148998940902
637 ms 211.21.79.38
40 2026-08-21 13:12 639229139276923594
4 ms 211.21.79.38
39 2026-08-21 12:56 639229129709912394
605 ms 211.21.79.38
38 2026-08-21 12:40 639229119801488500
598 ms 211.21.79.38
37 2026-08-21 12:24 639229110135262458
281 ms 211.21.79.38
36 2026-08-21 12:07 639229100336051392
620 ms 211.21.79.38
35 2026-08-21 11:51 639229090641415626
610 ms 211.21.79.38
34 2026-08-21 11:35 639229080702683947
608 ms 211.21.79.38
33 2026-08-21 11:18 639229070601456699
594 ms 211.21.79.38
32 2026-08-21 10:25 639229038947447232
589 ms 211.21.79.38
31 2026-08-21 10:09 639229029268708773
4 ms 211.21.79.38
30 2026-08-21 09:53 639229019647910603
4 ms 211.21.79.38
29 2026-08-21 09:37 639229009983843738
310 ms 211.21.79.38
28 2026-08-21 09:21 639229000203331882
4 ms 211.21.79.38
27 2026-08-21 09:04 639228990302335999
614 ms 211.21.79.38
26 2026-08-21 08:48 639228980567740722
18 ms 211.21.79.38
25 2026-08-21 08:31 639228970762445174
3 ms 211.21.79.38
24 2026-08-21 08:15 639228961065054445
605 ms 211.21.79.38
23 2026-08-21 07:59 639228951224649885
313 ms 211.21.79.38
22 2026-08-21 07:43 639228941303864592
602 ms 211.21.79.38
21 2026-08-21 07:26 639228931191328583
620 ms 211.21.79.38
20 2026-08-21 06:33 639228899518173317
1187 ms 211.21.79.38
19 2026-08-21 06:17 639228889785027669
616 ms 211.21.79.38
18 2026-08-21 06:00 639228880106330161
3 ms 211.21.79.38
17 2026-08-21 05:44 639228870316184091
609 ms 211.21.79.38
16 2026-08-21 05:28 639228860695366512
3 ms 211.21.79.38
15 2026-08-21 05:12 639228851027209500
595 ms 211.21.79.38
14 2026-08-21 04:56 639228841479265462
3 ms 211.21.79.38
13 2026-08-21 04:40 639228831752962260
605 ms 211.21.79.38
12 2026-08-21 04:23 639228821953295483
3 ms 211.21.79.38
11 2026-08-21 04:07 639228812227429953
599 ms 211.21.79.38
10 2026-08-21 03:51 639228802476107538
4 ms 211.21.79.38
9 2026-08-21 03:35 639228792525492032
605 ms 211.21.79.38
8 2026-08-21 02:42 639228761131421385
-
7 2026-08-21 02:26 639228751571206692
2 ms 211.21.79.38
6 2026-08-21 02:10 639228741705571019
2 ms 211.21.79.38
5 2026-08-21 01:53 639228731642208228
616 ms 211.21.79.38
4 2026-08-21 01:01 639228700387002072
4 ms 211.21.79.38
3 2026-08-21 00:45 639228690742014433
3 ms 211.21.79.38
2 2026-08-21 00:28 639228680877937122
606 ms 211.21.79.38
1 2026-08-21 00:12 639228670775860800
607 ms 211.21.79.38