DNS response history for ns2.chengft.com

ns2.chengft.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 2026-08-26. For this date, NameServerHistory found 213 DNS check records, 213 successful responses, 0 failed responses, and 400 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 ns2.chengft.com.
Records on Selected Date

213

Historical checks stored for this nameserver on selected date

Average Latency

400 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 23:58

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.237.129.236

Most recently resolved hosting IP on selected date

Successful Responses

213

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 ns2.chengft.com

Showing DNS history for 2026-08-26 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
213 2026-08-26 23:58 639233846871926285
298 ms 172.237.129.236
212 2026-08-26 23:58 639233846871926285
298 ms 172.237.129.242
211 2026-08-26 23:58 639233846871926285
298 ms 172.237.129.108
210 2026-08-26 23:04 639233814527872887
466 ms 172.237.129.242
209 2026-08-26 23:04 639233814527872887
466 ms 172.237.129.108
208 2026-08-26 23:04 639233814527872887
466 ms 172.237.129.236
207 2026-08-26 22:47 639233804315489381
450 ms 172.237.129.236
206 2026-08-26 22:47 639233804315489381
450 ms 172.237.129.108
205 2026-08-26 22:47 639233804315489381
450 ms 172.237.129.242
204 2026-08-26 22:30 639233793971346256
473 ms 172.237.129.242
203 2026-08-26 22:30 639233793971346256
473 ms 172.237.129.108
202 2026-08-26 22:30 639233793971346256
473 ms 172.237.129.236
201 2026-08-26 22:12 639233783644630463
322 ms 172.237.129.242
200 2026-08-26 22:12 639233783644630463
322 ms 172.237.129.108
199 2026-08-26 22:12 639233783644630463
322 ms 172.237.129.236
198 2026-08-26 21:55 639233773302621314
462 ms 172.237.129.242
197 2026-08-26 21:55 639233773302621314
462 ms 172.237.129.108
196 2026-08-26 21:55 639233773302621314
462 ms 172.237.129.236
195 2026-08-26 21:38 639233762896723748
302 ms 172.237.129.242
194 2026-08-26 21:38 639233762896723748
302 ms 172.237.129.108
193 2026-08-26 21:38 639233762896723748
302 ms 172.237.129.236
192 2026-08-26 21:21 639233752543876329
300 ms 172.237.129.242
191 2026-08-26 21:21 639233752543876329
300 ms 172.237.129.108
190 2026-08-26 21:21 639233752543876329
300 ms 172.237.129.236
189 2026-08-26 21:03 639233742155931788
448 ms 172.237.129.236
188 2026-08-26 21:03 639233742155931788
448 ms 172.237.129.242
187 2026-08-26 21:03 639233742155931788
448 ms 172.237.129.108
186 2026-08-26 20:46 639233731712555311
453 ms 172.237.129.236
185 2026-08-26 20:46 639233731712555311
453 ms 172.237.129.242
184 2026-08-26 20:46 639233731712555311
453 ms 172.237.129.108
183 2026-08-26 20:28 639233721164051126
448 ms 172.237.129.236
182 2026-08-26 20:28 639233721164051126
448 ms 172.237.129.242
181 2026-08-26 20:28 639233721164051126
448 ms 172.237.129.108
180 2026-08-26 20:11 639233710560486320
470 ms 172.237.129.242
179 2026-08-26 20:11 639233710560486320
470 ms 172.237.129.108
178 2026-08-26 20:11 639233710560486320
470 ms 172.237.129.236
177 2026-08-26 19:53 639233699834667450
321 ms 172.237.129.236
176 2026-08-26 19:53 639233699834667450
321 ms 172.237.129.108
175 2026-08-26 19:53 639233699834667450
321 ms 172.237.129.242
174 2026-08-26 18:59 639233667209186136
469 ms 172.237.129.242
173 2026-08-26 18:59 639233667209186136
469 ms 172.237.129.108
172 2026-08-26 18:59 639233667209186136
469 ms 172.237.129.236
171 2026-08-26 18:41 639233656814316266
464 ms 172.237.129.242
170 2026-08-26 18:41 639233656814316266
464 ms 172.237.129.236
169 2026-08-26 18:41 639233656814316266
464 ms 172.237.129.108
168 2026-08-26 18:24 639233646245051806
308 ms 172.237.129.242
167 2026-08-26 18:24 639233646245051806
308 ms 172.237.129.236
166 2026-08-26 18:24 639233646245051806
308 ms 172.237.129.108
165 2026-08-26 18:06 639233635663779051
463 ms 172.237.129.242
164 2026-08-26 18:06 639233635663779051
463 ms 172.237.129.236
163 2026-08-26 18:06 639233635663779051
463 ms 172.237.129.108
162 2026-08-26 17:48 639233624977342122
304 ms 172.237.129.108
161 2026-08-26 17:48 639233624977342122
304 ms 172.237.129.236
160 2026-08-26 17:48 639233624977342122
304 ms 172.237.129.242
159 2026-08-26 17:30 639233614446136153
8 ms 172.237.129.242
158 2026-08-26 17:30 639233614446136153
8 ms 172.237.129.236
157 2026-08-26 17:30 639233614446136153
8 ms 172.237.129.108
156 2026-08-26 17:13 639233603737877581
303 ms 172.237.129.242
155 2026-08-26 17:13 639233603737877581
303 ms 172.237.129.236
154 2026-08-26 17:13 639233603737877581
303 ms 172.237.129.108
153 2026-08-26 16:55 639233593269224651
309 ms 172.237.129.108
152 2026-08-26 16:55 639233593269224651
309 ms 172.237.129.236
151 2026-08-26 16:55 639233593269224651
309 ms 172.237.129.242
150 2026-08-26 16:38 639233582635086903
315 ms 172.237.129.236
149 2026-08-26 16:38 639233582635086903
315 ms 172.237.129.242
148 2026-08-26 16:38 639233582635086903
315 ms 172.237.129.108
147 2026-08-26 16:20 639233572000374575
452 ms 172.237.129.236
146 2026-08-26 16:20 639233572000374575
452 ms 172.237.129.242
145 2026-08-26 16:20 639233572000374575
452 ms 172.237.129.108
144 2026-08-26 16:02 639233561188633861
454 ms 172.237.129.236
143 2026-08-26 16:02 639233561188633861
454 ms 172.237.129.242
142 2026-08-26 16:02 639233561188633861
454 ms 172.237.129.108
141 2026-08-26 15:44 639233550544357027
454 ms 172.237.129.236
140 2026-08-26 15:44 639233550544357027
454 ms 172.237.129.242
139 2026-08-26 15:44 639233550544357027
454 ms 172.237.129.108
138 2026-08-26 14:50 639233517966053117
460 ms 172.237.129.108
137 2026-08-26 14:50 639233517966053117
460 ms 172.237.129.236
136 2026-08-26 14:50 639233517966053117
460 ms 172.237.129.242
135 2026-08-26 14:32 639233507603253585
232 ms 172.237.129.242
134 2026-08-26 14:32 639233507603253585
232 ms 172.237.129.108
133 2026-08-26 14:32 639233507603253585
232 ms 172.237.129.236
132 2026-08-26 14:15 639233497229039167
315 ms 172.237.129.108
131 2026-08-26 14:15 639233497229039167
315 ms 172.237.129.236
130 2026-08-26 14:15 639233497229039167
315 ms 172.237.129.242
129 2026-08-26 13:58 639233486864546406
472 ms 172.237.129.108
128 2026-08-26 13:58 639233486864546406
472 ms 172.237.129.236
127 2026-08-26 13:58 639233486864546406
472 ms 172.237.129.242
126 2026-08-26 13:41 639233476455174682
307 ms 172.237.129.236
125 2026-08-26 13:41 639233476455174682
307 ms 172.237.129.108
124 2026-08-26 13:41 639233476455174682
307 ms 172.237.129.242
123 2026-08-26 13:23 639233466171592605
454 ms 172.237.129.236
122 2026-08-26 13:23 639233466171592605
454 ms 172.237.129.108
121 2026-08-26 13:23 639233466171592605
454 ms 172.237.129.242
120 2026-08-26 13:06 639233455747096265
3 ms 172.237.129.108
119 2026-08-26 13:06 639233455747096265
3 ms 172.237.129.242
118 2026-08-26 13:06 639233455747096265
3 ms 172.237.129.236
117 2026-08-26 12:49 639233445367152284
470 ms 172.237.129.236
116 2026-08-26 12:49 639233445367152284
470 ms 172.237.129.108
115 2026-08-26 12:49 639233445367152284
470 ms 172.237.129.242
114 2026-08-26 12:31 639233434974187439
477 ms 172.237.129.236
113 2026-08-26 12:31 639233434974187439
477 ms 172.237.129.108
112 2026-08-26 12:31 639233434974187439
477 ms 172.237.129.242
111 2026-08-26 12:14 639233424567558554
300 ms 172.237.129.236
110 2026-08-26 12:14 639233424567558554
300 ms 172.237.129.108
109 2026-08-26 12:14 639233424567558554
300 ms 172.237.129.242
108 2026-08-26 11:57 639233414056832719
487 ms 172.237.129.236
107 2026-08-26 11:57 639233414056832719
487 ms 172.237.129.108
106 2026-08-26 11:57 639233414056832719
487 ms 172.237.129.242
105 2026-08-26 11:39 639233403515141099
311 ms 172.237.129.108
104 2026-08-26 11:39 639233403515141099
311 ms 172.237.129.236
103 2026-08-26 11:39 639233403515141099
311 ms 172.237.129.242
102 2026-08-26 10:44 639233370841350248
459 ms 172.237.129.108
101 2026-08-26 10:44 639233370841350248
459 ms 172.237.129.236
100 2026-08-26 10:44 639233370841350248
459 ms 172.237.129.242
99 2026-08-26 10:27 639233360361507238
312 ms 172.237.129.236
98 2026-08-26 10:27 639233360361507238
312 ms 172.237.129.242
97 2026-08-26 10:27 639233360361507238
312 ms 172.237.129.108
96 2026-08-26 10:10 639233350067824371
481 ms 172.237.129.236
95 2026-08-26 10:10 639233350067824371
481 ms 172.237.129.242
94 2026-08-26 10:10 639233350067824371
481 ms 172.237.129.108
93 2026-08-26 09:53 639233339545274518
453 ms 172.237.129.236
92 2026-08-26 09:53 639233339545274518
453 ms 172.237.129.242
91 2026-08-26 09:53 639233339545274518
453 ms 172.237.129.108
90 2026-08-26 09:35 639233329214918079
302 ms 172.237.129.108
89 2026-08-26 09:35 639233329214918079
302 ms 172.237.129.242
88 2026-08-26 09:35 639233329214918079
302 ms 172.237.129.236
87 2026-08-26 09:18 639233318749762337
448 ms 172.237.129.236
86 2026-08-26 09:18 639233318749762337
448 ms 172.237.129.242
85 2026-08-26 09:18 639233318749762337
448 ms 172.237.129.108
84 2026-08-26 09:00 639233308387917838
310 ms 172.237.129.242
83 2026-08-26 09:00 639233308387917838
310 ms 172.237.129.108
82 2026-08-26 09:00 639233308387917838
310 ms 172.237.129.236
81 2026-08-26 08:43 639233297961740122
464 ms 172.237.129.236
80 2026-08-26 08:43 639233297961740122
464 ms 172.237.129.242
79 2026-08-26 08:43 639233297961740122
464 ms 172.237.129.108
78 2026-08-26 08:26 639233287487159094
303 ms 172.237.129.236
77 2026-08-26 08:26 639233287487159094
303 ms 172.237.129.242
76 2026-08-26 08:26 639233287487159094
303 ms 172.237.129.108
75 2026-08-26 08:08 639233276995531707
297 ms 172.237.129.242
74 2026-08-26 08:08 639233276995531707
297 ms 172.237.129.108
73 2026-08-26 08:08 639233276995531707
297 ms 172.237.129.236
72 2026-08-26 07:51 639233266521568229
455 ms 172.237.129.236
71 2026-08-26 07:51 639233266521568229
455 ms 172.237.129.242
70 2026-08-26 07:51 639233266521568229
455 ms 172.237.129.108
69 2026-08-26 07:33 639233256081047431
469 ms 172.237.129.108
68 2026-08-26 07:33 639233256081047431
469 ms 172.237.129.236
67 2026-08-26 07:33 639233256081047431
469 ms 172.237.129.242
66 2026-08-26 06:39 639233223620132921
323 ms 172.237.129.108
65 2026-08-26 06:39 639233223620132921
323 ms 172.237.129.242
64 2026-08-26 06:39 639233223620132921
323 ms 172.237.129.236
63 2026-08-26 06:22 639233213287814244
452 ms 172.237.129.108
62 2026-08-26 06:22 639233213287814244
452 ms 172.237.129.242
61 2026-08-26 06:22 639233213287814244
452 ms 172.237.129.236
60 2026-08-26 06:05 639233202925983161
310 ms 172.237.129.108
59 2026-08-26 06:05 639233202925983161
310 ms 172.237.129.242
58 2026-08-26 06:05 639233202925983161
310 ms 172.237.129.236
57 2026-08-26 05:47 639233192644780696
321 ms 172.237.129.108
56 2026-08-26 05:47 639233192644780696
321 ms 172.237.129.236
55 2026-08-26 05:47 639233192644780696
321 ms 172.237.129.242
54 2026-08-26 05:30 639233182401183833
460 ms 172.237.129.108
53 2026-08-26 05:30 639233182401183833
460 ms 172.237.129.242
52 2026-08-26 05:30 639233182401183833
460 ms 172.237.129.236
51 2026-08-26 05:13 639233172074181051
458 ms 172.237.129.108
50 2026-08-26 05:13 639233172074181051
458 ms 172.237.129.236
49 2026-08-26 05:13 639233172074181051
458 ms 172.237.129.242
48 2026-08-26 04:56 639233161808421455
458 ms 172.237.129.236
47 2026-08-26 04:56 639233161808421455
458 ms 172.237.129.242
46 2026-08-26 04:56 639233161808421455
458 ms 172.237.129.108
45 2026-08-26 04:39 639233151357344052
310 ms 172.237.129.242
44 2026-08-26 04:39 639233151357344052
310 ms 172.237.129.236
43 2026-08-26 04:39 639233151357344052
310 ms 172.237.129.108
42 2026-08-26 04:21 639233141034116946
492 ms 172.237.129.236
41 2026-08-26 04:21 639233141034116946
492 ms 172.237.129.242
40 2026-08-26 04:21 639233141034116946
492 ms 172.237.129.108
39 2026-08-26 04:04 639233130828334142
308 ms 172.237.129.236
38 2026-08-26 04:04 639233130828334142
308 ms 172.237.129.108
37 2026-08-26 04:04 639233130828334142
308 ms 172.237.129.242
36 2026-08-26 03:47 639233120373450007
318 ms 172.237.129.236
35 2026-08-26 03:47 639233120373450007
318 ms 172.237.129.108
34 2026-08-26 03:47 639233120373450007
318 ms 172.237.129.242
33 2026-08-26 03:30 639233110066216193
339 ms 172.237.129.236
32 2026-08-26 03:30 639233110066216193
339 ms 172.237.129.108
31 2026-08-26 03:30 639233110066216193
339 ms 172.237.129.242
30 2026-08-26 02:36 639233078065410564
316 ms 172.237.129.236
29 2026-08-26 02:36 639233078065410564
316 ms 172.237.129.242
28 2026-08-26 02:36 639233078065410564
316 ms 172.237.129.108
27 2026-08-26 02:19 639233067787457832
2269 ms 172.237.129.242
26 2026-08-26 02:19 639233067787457832
2269 ms 172.237.129.108
25 2026-08-26 02:19 639233067787457832
2269 ms 172.237.129.236
24 2026-08-26 02:02 639233057501801162
454 ms 172.237.129.108
23 2026-08-26 02:02 639233057501801162
454 ms 172.237.129.242
22 2026-08-26 02:02 639233057501801162
454 ms 172.237.129.236
21 2026-08-26 01:45 639233047089431703
184 ms 172.237.129.108
20 2026-08-26 01:45 639233047089431703
184 ms 172.237.129.242
19 2026-08-26 01:45 639233047089431703
184 ms 172.237.129.236
18 2026-08-26 01:28 639233036754790688
326 ms 172.237.129.242
17 2026-08-26 01:28 639233036754790688
326 ms 172.237.129.108
16 2026-08-26 01:28 639233036754790688
326 ms 172.237.129.236
15 2026-08-26 01:10 639233026412602472
473 ms 172.237.129.242
14 2026-08-26 01:10 639233026412602472
473 ms 172.237.129.108
13 2026-08-26 01:10 639233026412602472
473 ms 172.237.129.236
12 2026-08-26 00:53 639233016064066127
226 ms 172.237.129.108
11 2026-08-26 00:53 639233016064066127
226 ms 172.237.129.242
10 2026-08-26 00:53 639233016064066127
226 ms 172.237.129.236
9 2026-08-26 00:36 639233005922655772
314 ms 172.237.129.236
8 2026-08-26 00:36 639233005922655772
314 ms 172.237.129.242
7 2026-08-26 00:36 639233005922655772
314 ms 172.237.129.108
6 2026-08-26 00:19 639232995672256907
448 ms 172.237.129.242
5 2026-08-26 00:19 639232995672256907
448 ms 172.237.129.108
4 2026-08-26 00:19 639232995672256907
448 ms 172.237.129.236
3 2026-08-26 00:02 639232985300872416
305 ms 172.237.129.242
2 2026-08-26 00:02 639232985300872416
305 ms 172.237.129.108
1 2026-08-26 00:02 639232985300872416
305 ms 172.237.129.236