DNS response history for ns4.ctdns.cn

ns4.ctdns.cn 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 2026-08-24. For this date, NameServerHistory found 120 DNS check records, 120 successful responses, 0 failed responses, and 438 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 ns4.ctdns.cn.
Records on Selected Date

120

Historical checks stored for this nameserver on selected date

Average Latency

438 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 12:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

113.240.103.23

Most recently resolved hosting IP on selected date

Successful Responses

120

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 ns4.ctdns.cn

Showing DNS history for 2026-08-24 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
120 2026-08-24 12:22 639231703815441688
272 ms 113.240.103.23
119 2026-08-24 12:22 639231703815441688
272 ms 119.96.7.37
118 2026-08-24 12:22 639231703815441688
272 ms 123.151.98.200
117 2026-08-24 12:22 639231703815441688
272 ms 180.97.201.60
116 2026-08-24 12:05 639231693747052549
2026 ms 123.151.98.200
115 2026-08-24 12:05 639231693747052549
2026 ms 180.97.201.60
114 2026-08-24 12:05 639231693747052549
2026 ms 113.240.103.23
113 2026-08-24 12:05 639231693747052549
2026 ms 119.96.7.37
112 2026-08-24 11:49 639231683712487276
648 ms 113.240.103.23
111 2026-08-24 11:49 639231683712487276
648 ms 119.96.7.37
110 2026-08-24 11:49 639231683712487276
648 ms 123.151.98.200
109 2026-08-24 11:49 639231683712487276
648 ms 180.97.201.60
108 2026-08-24 11:32 639231673513573868
317 ms 180.97.201.60
107 2026-08-24 11:32 639231673513573868
317 ms 123.151.98.200
106 2026-08-24 11:32 639231673513573868
317 ms 119.96.7.37
105 2026-08-24 11:32 639231673513573868
317 ms 113.240.103.23
104 2026-08-24 10:39 639231641791249939
2007 ms 180.97.201.60
103 2026-08-24 10:39 639231641791249939
2007 ms 113.240.103.23
102 2026-08-24 10:39 639231641791249939
2007 ms 119.96.7.37
101 2026-08-24 10:39 639231641791249939
2007 ms 123.151.98.200
100 2026-08-24 10:22 639231631866211033
269 ms 113.240.103.23
99 2026-08-24 10:22 639231631866211033
269 ms 119.96.7.37
98 2026-08-24 10:22 639231631866211033
269 ms 123.151.98.200
97 2026-08-24 10:22 639231631866211033
269 ms 180.97.201.60
96 2026-08-24 10:05 639231621644955316
10 ms 180.97.201.60
95 2026-08-24 10:05 639231621644955316
10 ms 113.240.103.23
94 2026-08-24 10:05 639231621644955316
10 ms 119.96.7.37
93 2026-08-24 10:05 639231621644955316
10 ms 123.151.98.200
92 2026-08-24 09:48 639231611478799259
260 ms 113.240.103.23
91 2026-08-24 09:48 639231611478799259
260 ms 119.96.7.37
90 2026-08-24 09:48 639231611478799259
260 ms 123.151.98.200
89 2026-08-24 09:48 639231611478799259
260 ms 180.97.201.60
88 2026-08-24 08:56 639231579923718211
261 ms 113.240.103.23
87 2026-08-24 08:56 639231579923718211
261 ms 119.96.7.37
86 2026-08-24 08:56 639231579923718211
261 ms 123.151.98.200
85 2026-08-24 08:56 639231579923718211
261 ms 180.97.201.60
84 2026-08-24 08:39 639231569810702936
16 ms 180.97.201.60
83 2026-08-24 08:39 639231569810702936
16 ms 123.151.98.200
82 2026-08-24 08:39 639231569810702936
16 ms 119.96.7.37
81 2026-08-24 08:39 639231569810702936
16 ms 113.240.103.23
80 2026-08-24 08:22 639231559762411619
2 ms 180.97.201.60
79 2026-08-24 08:22 639231559762411619
2 ms 113.240.103.23
78 2026-08-24 08:22 639231559762411619
2 ms 119.96.7.37
77 2026-08-24 08:22 639231559762411619
2 ms 123.151.98.200
76 2026-08-24 08:05 639231549663595407
31 ms 123.151.98.200
75 2026-08-24 08:05 639231549663595407
31 ms 180.97.201.60
74 2026-08-24 08:05 639231549663595407
31 ms 113.240.103.23
73 2026-08-24 08:05 639231549663595407
31 ms 119.96.7.37
72 2026-08-24 07:13 639231518076817246
552 ms 113.240.103.23
71 2026-08-24 07:13 639231518076817246
552 ms 119.96.7.37
70 2026-08-24 07:13 639231518076817246
552 ms 123.151.98.200
69 2026-08-24 07:13 639231518076817246
552 ms 180.97.201.60
68 2026-08-24 06:56 639231508078650885
8 ms 123.151.98.200
67 2026-08-24 06:56 639231508078650885
8 ms 113.240.103.23
66 2026-08-24 06:56 639231508078650885
8 ms 180.97.201.60
65 2026-08-24 06:56 639231508078650885
8 ms 119.96.7.37
64 2026-08-24 06:39 639231498210697093
249 ms 113.240.103.23
63 2026-08-24 06:39 639231498210697093
249 ms 119.96.7.37
62 2026-08-24 06:39 639231498210697093
249 ms 123.151.98.200
61 2026-08-24 06:39 639231498210697093
249 ms 180.97.201.60
60 2026-08-24 06:23 639231488109699360
244 ms 113.240.103.23
59 2026-08-24 06:23 639231488109699360
244 ms 119.96.7.37
58 2026-08-24 06:23 639231488109699360
244 ms 123.151.98.200
57 2026-08-24 06:23 639231488109699360
244 ms 180.97.201.60
56 2026-08-24 05:31 639231456772510692
248 ms 113.240.103.23
55 2026-08-24 05:31 639231456772510692
248 ms 119.96.7.37
54 2026-08-24 05:31 639231456772510692
248 ms 123.151.98.200
53 2026-08-24 05:31 639231456772510692
248 ms 180.97.201.60
52 2026-08-24 05:14 639231447084631185
15 ms 113.240.103.23
51 2026-08-24 05:14 639231447084631185
15 ms 119.96.7.37
50 2026-08-24 05:14 639231447084631185
15 ms 123.151.98.200
49 2026-08-24 05:14 639231447084631185
15 ms 180.97.201.60
48 2026-08-24 04:58 639231437208519473
2 ms 180.97.201.60
47 2026-08-24 04:58 639231437208519473
2 ms 113.240.103.23
46 2026-08-24 04:58 639231437208519473
2 ms 119.96.7.37
45 2026-08-24 04:58 639231437208519473
2 ms 123.151.98.200
44 2026-08-24 04:41 639231427209627490
6 ms 113.240.103.23
43 2026-08-24 04:41 639231427209627490
6 ms 119.96.7.37
42 2026-08-24 04:41 639231427209627490
6 ms 123.151.98.200
41 2026-08-24 04:41 639231427209627490
6 ms 180.97.201.60
40 2026-08-24 03:49 639231395791246644
294 ms 113.240.103.23
39 2026-08-24 03:49 639231395791246644
294 ms 119.96.7.37
38 2026-08-24 03:49 639231395791246644
294 ms 123.151.98.200
37 2026-08-24 03:49 639231395791246644
294 ms 180.97.201.60
36 2026-08-24 03:33 639231386075551458
269 ms 113.240.103.23
35 2026-08-24 03:33 639231386075551458
269 ms 119.96.7.37
34 2026-08-24 03:33 639231386075551458
269 ms 123.151.98.200
33 2026-08-24 03:33 639231386075551458
269 ms 180.97.201.60
32 2026-08-24 03:16 639231376208713791
237 ms 113.240.103.23
31 2026-08-24 03:16 639231376208713791
237 ms 119.96.7.37
30 2026-08-24 03:16 639231376208713791
237 ms 123.151.98.200
29 2026-08-24 03:16 639231376208713791
237 ms 180.97.201.60
28 2026-08-24 03:00 639231366170589276
2013 ms 113.240.103.23
27 2026-08-24 03:00 639231366170589276
2013 ms 180.97.201.60
26 2026-08-24 03:00 639231366170589276
2013 ms 123.151.98.200
25 2026-08-24 03:00 639231366170589276
2013 ms 119.96.7.37
24 2026-08-24 02:07 639231334732159368
38 ms 113.240.103.23
23 2026-08-24 02:07 639231334732159368
38 ms 119.96.7.37
22 2026-08-24 02:07 639231334732159368
38 ms 180.97.201.60
21 2026-08-24 02:07 639231334732159368
38 ms 123.151.98.200
20 2026-08-24 01:51 639231325035670078
2009 ms 113.240.103.23
19 2026-08-24 01:51 639231325035670078
2009 ms 119.96.7.37
18 2026-08-24 01:51 639231325035670078
2009 ms 180.97.201.60
17 2026-08-24 01:51 639231325035670078
2009 ms 123.151.98.200
16 2026-08-24 01:34 639231315132253837
264 ms 113.240.103.23
15 2026-08-24 01:34 639231315132253837
264 ms 119.96.7.37
14 2026-08-24 01:34 639231315132253837
264 ms 123.151.98.200
13 2026-08-24 01:34 639231315132253837
264 ms 180.97.201.60
12 2026-08-24 01:18 639231305014280808
287 ms 113.240.103.23
11 2026-08-24 01:18 639231305014280808
287 ms 119.96.7.37
10 2026-08-24 01:18 639231305014280808
287 ms 123.151.98.200
9 2026-08-24 01:18 639231305014280808
287 ms 180.97.201.60
8 2026-08-24 00:25 639231273779380675
261 ms 113.240.103.23
7 2026-08-24 00:25 639231273779380675
261 ms 119.96.7.37
6 2026-08-24 00:25 639231273779380675
261 ms 123.151.98.200
5 2026-08-24 00:25 639231273779380675
261 ms 180.97.201.60
4 2026-08-24 00:09 639231264180839154
12 ms 119.96.7.37
3 2026-08-24 00:09 639231264180839154
12 ms 123.151.98.200
2 2026-08-24 00:09 639231264180839154
12 ms 180.97.201.60
1 2026-08-24 00:09 639231264180839154
12 ms 113.240.103.23