DNS response history for ns1.ctexdev.net

ns1.ctexdev.net 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 2026-08-15. For this date, NameServerHistory found 77 DNS check records, 75 successful responses, 2 failed responses, and 258 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 ns1.ctexdev.net.
Records on Selected Date

77

Historical checks stored for this nameserver on selected date

Average Latency

258 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

51.178.214.230

Most recently resolved hosting IP on selected date

Successful Responses

75

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 ns1.ctexdev.net

Showing DNS history for 2026-08-15 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
77 2026-08-15 23:59 639224347685767174
20 ms 51.178.214.230
76 2026-08-15 23:43 639224338276675277
94 ms 51.178.214.230
75 2026-08-15 22:51 639224306594546649
39 ms 51.178.214.230
74 2026-08-15 22:35 639224297145423303
78 ms 51.178.214.230
73 2026-08-15 22:19 639224287678238833
33 ms 51.178.214.230
72 2026-08-15 22:04 639224278490872828
41 ms 51.178.214.230
71 2026-08-15 21:48 639224269149307826
2039 ms 51.178.214.230
70 2026-08-15 21:33 639224259868597616
75 ms 51.178.214.230
69 2026-08-15 21:17 639224250518642175
15 ms 51.178.214.230
68 2026-08-15 21:02 639224241064772383
47 ms 51.178.214.230
67 2026-08-15 20:46 639224231691099605
2050 ms 51.178.214.230
66 2026-08-15 20:30 639224222468168159
30 ms 51.178.214.230
65 2026-08-15 20:15 639224213173899635
43 ms 51.178.214.230
64 2026-08-15 19:59 639224203914451783
64 ms 51.178.214.230
63 2026-08-15 19:07 639224172202542163
54 ms 51.178.214.230
62 2026-08-15 18:52 639224163338654093
47 ms 51.178.214.230
61 2026-08-15 18:37 639224154287995374
43 ms 51.178.214.230
60 2026-08-15 18:22 639224145118612503
76 ms 51.178.214.230
59 2026-08-15 18:07 639224135995990731
40 ms 51.178.214.230
58 2026-08-15 17:52 639224127185332624
22 ms 51.178.214.230
57 2026-08-15 17:37 639224118229289175
7 ms 51.178.214.230
56 2026-08-15 17:22 639224109273796359
43 ms 51.178.214.230
55 2026-08-15 17:07 639224100490805608
90 ms 51.178.214.230
54 2026-08-15 16:52 639224091353714490
7 ms 51.178.214.230
53 2026-08-15 16:37 639224082033126828
12 ms 51.178.214.230
52 2026-08-15 16:21 639224072736962403
491 ms 51.178.214.230
51 2026-08-15 15:29 639224041475563754
3 ms 51.178.214.230
50 2026-08-15 15:14 639224032345604453
17 ms 51.178.214.230
49 2026-08-15 14:59 639224023169497283
4 ms 51.178.214.230
48 2026-08-15 14:44 639224013981146405
39 ms 51.178.214.230
47 2026-08-15 14:28 639224004883412586
50 ms 51.178.214.230
46 2026-08-15 14:13 639223995612880615
26 ms 51.178.214.230
45 2026-08-15 13:58 639223986271830789
41 ms 51.178.214.230
44 2026-08-15 13:42 639223977005780949
23 ms 51.178.214.230
43 2026-08-15 13:26 639223967653137793
38 ms 51.178.214.230
42 2026-08-15 13:11 639223958286010799
27 ms 51.178.214.230
41 2026-08-15 12:55 639223948936108345
32 ms 51.178.214.230
40 2026-08-15 12:39 639223939673066880
32 ms 51.178.214.230
39 2026-08-15 11:45 639223908317760530
43 ms 51.178.214.230
38 2026-08-15 11:30 639223898992594258
-
37 2026-08-15 11:14 639223889761312823
44 ms 51.178.214.230
36 2026-08-15 10:59 639223880359273507
2008 ms 51.178.214.230
35 2026-08-15 10:43 639223870920466808
48 ms 51.178.214.230
34 2026-08-15 10:28 639223861579762179
49 ms 51.178.214.230
33 2026-08-15 10:12 639223852238616009
84 ms 51.178.214.230
32 2026-08-15 09:57 639223843019815620
40 ms 51.178.214.230
31 2026-08-15 09:41 639223833669915012
66 ms 51.178.214.230
30 2026-08-15 09:26 639223824494613222
36 ms 51.178.214.230
29 2026-08-15 09:10 639223815116325293
39 ms 51.178.214.230
28 2026-08-15 08:54 639223805493870221
-
27 2026-08-15 08:02 639223774218660438
34 ms 51.178.214.230
26 2026-08-15 07:46 639223764663090372
9 ms 51.178.214.230
25 2026-08-15 07:31 639223755338811400
40 ms 51.178.214.230
24 2026-08-15 07:15 639223746019193268
29 ms 51.178.214.230
23 2026-08-15 06:59 639223736658778104
2007 ms 51.178.214.230
22 2026-08-15 06:44 639223727330194499
14 ms 51.178.214.230
21 2026-08-15 06:28 639223717848514742
36 ms 51.178.214.230
20 2026-08-15 06:12 639223708284754056
43 ms 51.178.214.230
19 2026-08-15 05:57 639223699061259933
44 ms 51.178.214.230
18 2026-08-15 05:41 639223689592545140
26 ms 51.178.214.230
17 2026-08-15 05:25 639223680143410810
91 ms 51.178.214.230
16 2026-08-15 05:09 639223670514517104
34 ms 51.178.214.230
15 2026-08-15 04:16 639223638855054294
34 ms 51.178.214.230
14 2026-08-15 04:01 639223629623335972
25 ms 51.178.214.230
13 2026-08-15 03:45 639223620390189495
47 ms 51.178.214.230
12 2026-08-15 03:30 639223610916950440
2042 ms 51.178.214.230
11 2026-08-15 03:14 639223601597759168
34 ms 51.178.214.230
10 2026-08-15 02:59 639223592342172093
49 ms 51.178.214.230
9 2026-08-15 02:44 639223583324121497
66 ms 51.178.214.230
8 2026-08-15 02:28 639223574086714218
38 ms 51.178.214.230
7 2026-08-15 02:13 639223564698424889
40 ms 51.178.214.230
6 2026-08-15 01:57 639223555408664206
2008 ms 51.178.214.230
5 2026-08-15 01:41 639223546000912416
85 ms 51.178.214.230
4 2026-08-15 01:26 639223536550774847
41 ms 51.178.214.230
3 2026-08-15 00:32 639223505017205611
10 ms 51.178.214.230
2 2026-08-15 00:17 639223495784410207
2025 ms 51.178.214.230
1 2026-08-15 00:01 639223486524583054
2022 ms 51.178.214.230