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 2026-08-23. For this date, NameServerHistory found 225 DNS check records, 225 successful responses, 0 failed responses, and 448 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

225

Historical checks stored for this nameserver on selected date

Average Latency

448 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-23 23:57

All timestamps shown in UTC

Latest Resolved IP on Selected Date

172.237.129.242

Most recently resolved hosting IP on selected date

Successful Responses

225

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 2026-08-23 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
225 2026-08-23 23:57 639231254406598736
460 ms 172.237.129.242
224 2026-08-23 23:57 639231254406598736
460 ms 172.237.129.108
223 2026-08-23 23:57 639231254406598736
460 ms 172.237.129.236
222 2026-08-23 23:40 639231244697865594
307 ms 172.237.129.108
221 2026-08-23 23:40 639231244697865594
307 ms 172.237.129.242
220 2026-08-23 23:40 639231244697865594
307 ms 172.237.129.236
219 2026-08-23 23:24 639231234893504693
448 ms 172.237.129.108
218 2026-08-23 23:24 639231234893504693
448 ms 172.237.129.242
217 2026-08-23 23:24 639231234893504693
448 ms 172.237.129.236
216 2026-08-23 23:08 639231225024549139
2241 ms 172.237.129.236
215 2026-08-23 23:08 639231225024549139
2241 ms 172.237.129.108
214 2026-08-23 23:08 639231225024549139
2241 ms 172.237.129.242
213 2026-08-23 22:51 639231214931957622
166 ms 172.237.129.108
212 2026-08-23 22:51 639231214931957622
166 ms 172.237.129.236
211 2026-08-23 22:51 639231214931957622
166 ms 172.237.129.242
210 2026-08-23 22:34 639231204962010549
455 ms 172.237.129.108
209 2026-08-23 22:34 639231204962010549
455 ms 172.237.129.242
208 2026-08-23 22:34 639231204962010549
455 ms 172.237.129.236
207 2026-08-23 22:18 639231195170138463
3 ms 172.237.129.108
206 2026-08-23 22:18 639231195170138463
3 ms 172.237.129.236
205 2026-08-23 22:18 639231195170138463
3 ms 172.237.129.242
204 2026-08-23 22:02 639231185235020577
4 ms 172.237.129.108
203 2026-08-23 22:02 639231185235020577
4 ms 172.237.129.236
202 2026-08-23 22:02 639231185235020577
4 ms 172.237.129.242
201 2026-08-23 21:45 639231175558690075
453 ms 172.237.129.236
200 2026-08-23 21:45 639231175558690075
453 ms 172.237.129.242
199 2026-08-23 21:45 639231175558690075
453 ms 172.237.129.108
198 2026-08-23 21:29 639231165610444012
490 ms 172.237.129.236
197 2026-08-23 21:29 639231165610444012
490 ms 172.237.129.242
196 2026-08-23 21:29 639231165610444012
490 ms 172.237.129.108
195 2026-08-23 20:36 639231133806425363
457 ms 172.237.129.236
194 2026-08-23 20:36 639231133806425363
457 ms 172.237.129.242
193 2026-08-23 20:36 639231133806425363
457 ms 172.237.129.108
192 2026-08-23 20:20 639231124203758023
12 ms 172.237.129.236
191 2026-08-23 20:20 639231124203758023
12 ms 172.237.129.108
190 2026-08-23 20:20 639231124203758023
12 ms 172.237.129.242
189 2026-08-23 20:03 639231114428262706
462 ms 172.237.129.236
188 2026-08-23 20:03 639231114428262706
462 ms 172.237.129.242
187 2026-08-23 20:03 639231114428262706
462 ms 172.237.129.108
186 2026-08-23 19:47 639231104662480065
3 ms 172.237.129.236
185 2026-08-23 19:47 639231104662480065
3 ms 172.237.129.108
184 2026-08-23 19:47 639231104662480065
3 ms 172.237.129.242
183 2026-08-23 19:31 639231094840372018
474 ms 172.237.129.108
182 2026-08-23 19:31 639231094840372018
474 ms 172.237.129.242
181 2026-08-23 19:31 639231094840372018
474 ms 172.237.129.236
180 2026-08-23 19:14 639231085024583224
403 ms 172.237.129.242
179 2026-08-23 19:14 639231085024583224
403 ms 172.237.129.236
178 2026-08-23 19:14 639231085024583224
403 ms 172.237.129.108
177 2026-08-23 18:58 639231075257417427
457 ms 172.237.129.236
176 2026-08-23 18:58 639231075257417427
457 ms 172.237.129.242
175 2026-08-23 18:58 639231075257417427
457 ms 172.237.129.108
174 2026-08-23 18:42 639231065516009503
314 ms 172.237.129.236
173 2026-08-23 18:42 639231065516009503
314 ms 172.237.129.108
172 2026-08-23 18:42 639231065516009503
314 ms 172.237.129.242
171 2026-08-23 18:26 639231055805348837
3 ms 172.237.129.108
170 2026-08-23 18:26 639231055805348837
3 ms 172.237.129.236
169 2026-08-23 18:26 639231055805348837
3 ms 172.237.129.242
168 2026-08-23 18:09 639231045980373765
462 ms 172.237.129.242
167 2026-08-23 18:09 639231045980373765
462 ms 172.237.129.108
166 2026-08-23 18:09 639231045980373765
462 ms 172.237.129.236
165 2026-08-23 17:53 639231035984577527
476 ms 172.237.129.242
164 2026-08-23 17:53 639231035984577527
476 ms 172.237.129.108
163 2026-08-23 17:53 639231035984577527
476 ms 172.237.129.236
162 2026-08-23 17:36 639231025928115303
308 ms 172.237.129.242
161 2026-08-23 17:36 639231025928115303
308 ms 172.237.129.108
160 2026-08-23 17:36 639231025928115303
308 ms 172.237.129.236
159 2026-08-23 16:43 639230994250157583
337 ms 172.237.129.108
158 2026-08-23 16:43 639230994250157583
337 ms 172.237.129.236
157 2026-08-23 16:43 639230994250157583
337 ms 172.237.129.242
156 2026-08-23 16:27 639230984476411369
382 ms 172.237.129.236
155 2026-08-23 16:27 639230984476411369
382 ms 172.237.129.242
154 2026-08-23 16:27 639230984476411369
382 ms 172.237.129.108
153 2026-08-23 16:11 639230974838373450
464 ms 172.237.129.108
152 2026-08-23 16:11 639230974838373450
464 ms 172.237.129.236
151 2026-08-23 16:11 639230974838373450
464 ms 172.237.129.242
150 2026-08-23 15:55 639230965244277645
383 ms 172.237.129.236
149 2026-08-23 15:55 639230965244277645
383 ms 172.237.129.108
148 2026-08-23 15:55 639230965244277645
383 ms 172.237.129.242
147 2026-08-23 15:38 639230955522101820
32 ms 172.237.129.236
146 2026-08-23 15:38 639230955522101820
32 ms 172.237.129.242
145 2026-08-23 15:38 639230955522101820
32 ms 172.237.129.108
144 2026-08-23 15:22 639230945754521603
3 ms 172.237.129.236
143 2026-08-23 15:22 639230945754521603
3 ms 172.237.129.242
142 2026-08-23 15:22 639230945754521603
3 ms 172.237.129.108
141 2026-08-23 15:06 639230935852040504
477 ms 172.237.129.108
140 2026-08-23 15:06 639230935852040504
477 ms 172.237.129.236
139 2026-08-23 15:06 639230935852040504
477 ms 172.237.129.242
138 2026-08-23 14:49 639230926222061048
434 ms 172.237.129.236
137 2026-08-23 14:49 639230926222061048
434 ms 172.237.129.242
136 2026-08-23 14:49 639230926222061048
434 ms 172.237.129.108
135 2026-08-23 14:33 639230916449726907
2 ms 172.237.129.236
134 2026-08-23 14:33 639230916449726907
2 ms 172.237.129.242
133 2026-08-23 14:33 639230916449726907
2 ms 172.237.129.108
132 2026-08-23 14:17 639230906595053086
3 ms 172.237.129.236
131 2026-08-23 14:17 639230906595053086
3 ms 172.237.129.242
130 2026-08-23 14:17 639230906595053086
3 ms 172.237.129.108
129 2026-08-23 14:00 639230896680429441
308 ms 172.237.129.242
128 2026-08-23 14:00 639230896680429441
308 ms 172.237.129.108
127 2026-08-23 14:00 639230896680429441
308 ms 172.237.129.236
126 2026-08-23 13:44 639230886630210965
459 ms 172.237.129.108
125 2026-08-23 13:44 639230886630210965
459 ms 172.237.129.236
124 2026-08-23 13:44 639230886630210965
459 ms 172.237.129.242
123 2026-08-23 12:52 639230855430405719
2366 ms 172.237.129.242
122 2026-08-23 12:52 639230855430405719
2366 ms 172.237.129.236
121 2026-08-23 12:52 639230855430405719
2366 ms 172.237.129.108
120 2026-08-23 12:36 639230845707499136
2304 ms 172.237.129.242
119 2026-08-23 12:36 639230845707499136
2304 ms 172.237.129.236
118 2026-08-23 12:36 639230845707499136
2304 ms 172.237.129.108
117 2026-08-23 12:19 639230836186805419
462 ms 172.237.129.236
116 2026-08-23 12:19 639230836186805419
462 ms 172.237.129.108
115 2026-08-23 12:19 639230836186805419
462 ms 172.237.129.242
114 2026-08-23 12:03 639230826493828316
458 ms 172.237.129.236
113 2026-08-23 12:03 639230826493828316
458 ms 172.237.129.108
112 2026-08-23 12:03 639230826493828316
458 ms 172.237.129.242
111 2026-08-23 11:47 639230816817882996
459 ms 172.237.129.236
110 2026-08-23 11:47 639230816817882996
459 ms 172.237.129.108
109 2026-08-23 11:47 639230816817882996
459 ms 172.237.129.242
108 2026-08-23 11:31 639230806933854189
299 ms 172.237.129.242
107 2026-08-23 11:31 639230806933854189
299 ms 172.237.129.108
106 2026-08-23 11:31 639230806933854189
299 ms 172.237.129.236
105 2026-08-23 11:14 639230797120243854
463 ms 172.237.129.108
104 2026-08-23 11:14 639230797120243854
463 ms 172.237.129.242
103 2026-08-23 11:14 639230797120243854
463 ms 172.237.129.236
102 2026-08-23 10:58 639230787310272840
2 ms 172.237.129.108
101 2026-08-23 10:58 639230787310272840
2 ms 172.237.129.242
100 2026-08-23 10:58 639230787310272840
2 ms 172.237.129.236
99 2026-08-23 10:42 639230777600173142
451 ms 172.237.129.108
98 2026-08-23 10:42 639230777600173142
451 ms 172.237.129.242
97 2026-08-23 10:42 639230777600173142
451 ms 172.237.129.236
96 2026-08-23 10:26 639230767665024593
2239 ms 172.237.129.242
95 2026-08-23 10:26 639230767665024593
2239 ms 172.237.129.108
94 2026-08-23 10:26 639230767665024593
2239 ms 172.237.129.236
93 2026-08-23 10:09 639230757720962293
308 ms 172.237.129.242
92 2026-08-23 10:09 639230757720962293
308 ms 172.237.129.108
91 2026-08-23 10:09 639230757720962293
308 ms 172.237.129.236
90 2026-08-23 09:52 639230747722189784
460 ms 172.237.129.242
89 2026-08-23 09:52 639230747722189784
460 ms 172.237.129.108
88 2026-08-23 09:52 639230747722189784
460 ms 172.237.129.236
87 2026-08-23 09:00 639230716313923480
273 ms 172.237.129.236
86 2026-08-23 09:00 639230716313923480
273 ms 172.237.129.108
85 2026-08-23 09:00 639230716313923480
273 ms 172.237.129.242
84 2026-08-23 08:44 639230706813835990
486 ms 172.237.129.236
83 2026-08-23 08:44 639230706813835990
486 ms 172.237.129.242
82 2026-08-23 08:44 639230706813835990
486 ms 172.237.129.108
81 2026-08-23 08:28 639230696871062203
478 ms 172.237.129.108
80 2026-08-23 08:28 639230696871062203
478 ms 172.237.129.236
79 2026-08-23 08:28 639230696871062203
478 ms 172.237.129.242
78 2026-08-23 08:11 639230687142781616
3 ms 172.237.129.108
77 2026-08-23 08:11 639230687142781616
3 ms 172.237.129.236
76 2026-08-23 08:11 639230687142781616
3 ms 172.237.129.242
75 2026-08-23 07:55 639230677432142227
3 ms 172.237.129.242
74 2026-08-23 07:55 639230677432142227
3 ms 172.237.129.108
73 2026-08-23 07:55 639230677432142227
3 ms 172.237.129.236
72 2026-08-23 07:39 639230667686258061
475 ms 172.237.129.108
71 2026-08-23 07:39 639230667686258061
475 ms 172.237.129.236
70 2026-08-23 07:39 639230667686258061
475 ms 172.237.129.242
69 2026-08-23 07:23 639230658039243685
305 ms 172.237.129.108
68 2026-08-23 07:23 639230658039243685
305 ms 172.237.129.236
67 2026-08-23 07:23 639230658039243685
305 ms 172.237.129.242
66 2026-08-23 07:07 639230648468473803
486 ms 172.237.129.108
65 2026-08-23 07:07 639230648468473803
486 ms 172.237.129.236
64 2026-08-23 07:07 639230648468473803
486 ms 172.237.129.242
63 2026-08-23 06:50 639230638829658294
480 ms 172.237.129.108
62 2026-08-23 06:50 639230638829658294
480 ms 172.237.129.236
61 2026-08-23 06:50 639230638829658294
480 ms 172.237.129.242
60 2026-08-23 06:34 639230629247017617
483 ms 172.237.129.108
59 2026-08-23 06:34 639230629247017617
483 ms 172.237.129.236
58 2026-08-23 06:34 639230629247017617
483 ms 172.237.129.242
57 2026-08-23 06:18 639230619625318239
3 ms 172.237.129.242
56 2026-08-23 06:18 639230619625318239
3 ms 172.237.129.236
55 2026-08-23 06:18 639230619625318239
3 ms 172.237.129.108
54 2026-08-23 06:02 639230609697630264
324 ms 172.237.129.242
53 2026-08-23 06:02 639230609697630264
324 ms 172.237.129.236
52 2026-08-23 06:02 639230609697630264
324 ms 172.237.129.108
51 2026-08-23 05:10 639230578570131864
469 ms 172.237.129.236
50 2026-08-23 05:10 639230578570131864
469 ms 172.237.129.108
49 2026-08-23 05:10 639230578570131864
469 ms 172.237.129.242
48 2026-08-23 04:54 639230568958963168
245 ms 172.237.129.242
47 2026-08-23 04:54 639230568958963168
245 ms 172.237.129.108
46 2026-08-23 04:54 639230568958963168
245 ms 172.237.129.236
45 2026-08-23 04:38 639230559287611211
474 ms 172.237.129.236
44 2026-08-23 04:38 639230559287611211
474 ms 172.237.129.108
43 2026-08-23 04:38 639230559287611211
474 ms 172.237.129.242
42 2026-08-23 04:22 639230549524312030
480 ms 172.237.129.242
41 2026-08-23 04:22 639230549524312030
480 ms 172.237.129.236
40 2026-08-23 04:22 639230549524312030
480 ms 172.237.129.108
39 2026-08-23 04:06 639230539739801669
2638 ms 172.237.129.236
38 2026-08-23 04:06 639230539739801669
2638 ms 172.237.129.108
37 2026-08-23 04:06 639230539739801669
2638 ms 172.237.129.242
36 2026-08-23 03:49 639230530084069375
217 ms 172.237.129.242
35 2026-08-23 03:49 639230530084069375
217 ms 172.237.129.108
34 2026-08-23 03:49 639230530084069375
217 ms 172.237.129.236
33 2026-08-23 03:33 639230520362691441
232 ms 172.237.129.242
32 2026-08-23 03:33 639230520362691441
232 ms 172.237.129.108
31 2026-08-23 03:33 639230520362691441
232 ms 172.237.129.236
30 2026-08-23 03:17 639230510677194518
477 ms 172.237.129.236
29 2026-08-23 03:17 639230510677194518
477 ms 172.237.129.242
28 2026-08-23 03:17 639230510677194518
477 ms 172.237.129.108
27 2026-08-23 03:01 639230501156002646
3 ms 172.237.129.242
26 2026-08-23 03:01 639230501156002646
3 ms 172.237.129.108
25 2026-08-23 03:01 639230501156002646
3 ms 172.237.129.236
24 2026-08-23 02:45 639230491502198541
121 ms 172.237.129.236
23 2026-08-23 02:45 639230491502198541
121 ms 172.237.129.242
22 2026-08-23 02:45 639230491502198541
121 ms 172.237.129.108
21 2026-08-23 02:29 639230481860318494
227 ms 172.237.129.236
20 2026-08-23 02:29 639230481860318494
227 ms 172.237.129.108
19 2026-08-23 02:29 639230481860318494
227 ms 172.237.129.242
18 2026-08-23 02:13 639230471893008575
465 ms 172.237.129.242
17 2026-08-23 02:13 639230471893008575
465 ms 172.237.129.108
16 2026-08-23 02:13 639230471893008575
465 ms 172.237.129.236
15 2026-08-23 01:19 639230440030877421
413 ms 172.237.129.242
14 2026-08-23 01:19 639230440030877421
413 ms 172.237.129.236
13 2026-08-23 01:19 639230440030877421
413 ms 172.237.129.108
12 2026-08-23 01:03 639230430479725508
306 ms 172.237.129.236
11 2026-08-23 01:03 639230430479725508
306 ms 172.237.129.242
10 2026-08-23 01:03 639230430479725508
306 ms 172.237.129.108
9 2026-08-23 00:47 639230420875160219
303 ms 172.237.129.242
8 2026-08-23 00:47 639230420875160219
303 ms 172.237.129.108
7 2026-08-23 00:47 639230420875160219
303 ms 172.237.129.236
6 2026-08-23 00:31 639230411240692575
308 ms 172.237.129.242
5 2026-08-23 00:31 639230411240692575
308 ms 172.237.129.108
4 2026-08-23 00:31 639230411240692575
308 ms 172.237.129.236
3 2026-08-23 00:15 639230401550806607
3 ms 172.237.129.242
2 2026-08-23 00:15 639230401550806607
3 ms 172.237.129.236
1 2026-08-23 00:15 639230401550806607
3 ms 172.237.129.108